Oracle SQL tutorials, How to add date datatype, insert date datatype values
Views: 6587 Gaivota OracleSQL Lessons
http://www.informit.com/store/oracle-sql-livelessons-video-training-downloadable-9780134275741?WT.mc_id=Social_YT Oracle SQL: Exploring Date Functions is an excerpt from Oracle SQL LiveLessons Video Training -- 6+ Hours of Video -- Oracle SQL LiveLessons Video Training covers the basics of the Oracle SQL programming language. This course covers both Oracle standard SQL and the ANSI approved SQL that Oracle supports. The focus of the course is to give students working knowledge of the Oracle SQL language and at the conclusion of this course, students should be able to query the Oracle database. Description In this LiveLessons video course, Oracle ACE Director Dan Hotka will teach you how to use the SQL query language, interpret business questions into SQL code, and how to use Where clauses sub-queries, complex table join conditions, and how to create table objects and populate tables with data. Students will also learn how to access Oracle from Microsoft products such as Excel. In addition, they will learn how analytical SQL can be used for business analysis. This course will use both Toad and SQL Developer for SQL examples. About the Instructor Dan Hotka is a training specialist and an Oracle ACE director who has more than 37 years in the computer industry and more than 31 years of experience with Oracle products. His experience with the Oracle RDBMS dates back to the Oracle V4.0 days. Dan enjoys sharing his knowledge of the Oracle RDBMS. Dan is well published with 12 Oracle books and well over 200 published articles. He is also the video author for Oracle SQL Performance Tuning for Developers LiveLessons and Oracle PL/SQL Programming Fundamentals. He is frequently published in Oracle trade journals, regularly blogs, and speaks at Oracle conferences and user groups around the world. Visit his website at www.DanHotka.com. Skill Level Beginner Learn How To Use the SQL query language Interpret business questions into SQL code Understand Oracle standard SQL and ANSI SQL Work with Where clauses, sub-queries, and complex table join conditions Create table objects and populate these tables with data Access Oracle from Microsoft products such as Excel Use analytical SQL, useful for business analysts Who Should Take This Course Students who are new to SQL and want to learn Oracle SQL Course Requirements Basic knowledge of what is a database, especially RDBMS and what is a computer programming language http://www.informit.com/store/oracle-sql-livelessons-video-training-downloadable-9780134275741?WT.mc_id=Social_YT
Views: 5180 LiveLessons
http://www.learningsqlserver2008.com/ https://youtu.be/KmsmPOImpHo - Date functions in SQL Server 2012 GETDATE -- Today's date DATEADD - adding time interval to an existing Date DATEPART - return part of the date like year or month DATEDIFF - Give you the different between two dates DAY - returns the day of the month MONTH - return the Month of the Year YEAR - returns the year in the Sql expression CAST - Converts an expression of one data type to another in SQL Server 2008 R2 CONVERT - Convert expressions of one data type to another in sql server r2 SQL Tutorial
Views: 62506 baghul
SQL Tutorial 32 How To Insert Data into a Table Using SQL Developer and How to delete Data/Row From a table. Website : http://www.RebellionRider.com New Series of #SQL tutorial on How to Insert Data. I'll cover all the traditional way along with some tips and tricks on Data insertion. Keep watching and enjoy #SQLing Copy Cloud referral link || Use this link to join copy cloud and get 20GB of free storage https://copy.com?r=j7eYO7 Amazon Wishlist: http://bit.ly/wishlist-amazon Contacts E-Mail [email protected] Twitter https://twitter.com/rebellionrider Instagram http://instagram.com/rebellionrider Facebook. https://www.facebook.com/imthebhardwaj Linkedin. http://in.linkedin.com/in/mannbhardwaj/ Thanks for liking, commenting, sharing and watching more of our videos This is Manish from www.RebellionRider.com
Views: 52120 Manish Sharma
Pebbles present, Learn Oracle 10g with Step By Step Video Tutorials. Learn Oracle 10g Tutorial series contains the following videos : Learn Oracle - History of Oracle Learn Oracle - What is Oracle - Why do we need Oracle Learn Oracle - What is a Database Learn Oracle - What is Grid Computing Learn Oracle - What is Normalization Learn Oracle - What is ORDBMS Learn Oracle - What is RDBMS Learn Oracle - Alias Names, Concatenation, Distinct Keyword Learn Oracle - Controlling and Managing User Access (Data Control Language) Learn Oracle - Introduction to SQL Learn Oracle - Oracle 10g New Data Types Learn Oracle - How to Alter a Table using SQL Learn Oracle - How to Create a Package in PL SQL Learn Oracle - How to Create a Report in SQL Plus Learn Oracle - How to Create a Table using SQL - Not Null, Unique Key, Primary Key Learn Oracle - How to Create a Table using SQL Learn Oracle - How to Create a Trigger in PL SQL Learn Oracle - How to Delete Data from a Table using SQL Learn Oracle - How to Drop and Truncate a Table using SQL Learn Oracle - How to Insert Data in a Table using SQL Learn Oracle - How to open ISQL Plus for the first time Learn Oracle - How to Open SQL Plus for the First Time Learn Oracle - How to Update a Table using SQL Learn Oracle - How to use Aggregate Functions in SQL Learn Oracle - How to use Functions in PL SQL Learn Oracle - How to use Group By, Having Clause in SQL Learn Oracle - How to Use Joins, Cross Join, Cartesian Product in SQL Learn Oracle - How to use Outer Joins (Left, Right, Full) in SQL Learn Oracle - How to use the Character Functions, Date Functions in SQL Learn Oracle - How to use the Merge Statement in SQL Learn Oracle - How to use the ORDER BY Clause with the Select Statement Learn Oracle - How to use the SELECT Statement Learn Oracle - How to use the Transactional Control Statements in SQL Learn Oracle - How to use PL SQL Learn Oracle - Data Types in PL SQL Learn Oracle - Exception Handling in PL SQL Learn Oracle - PL SQL Conditional Logics Learn Oracle - PL SQL Cursor Types - Explicit Cursor, Implicit Cursor Learn Oracle - PL SQL Loops Learn Oracle - Procedure Creation in PL SQL Learn Oracle - Select Statement with WHERE Cause Learn Oracle - SQL Operators and their Precedence Learn Oracle - Using Case Function, Decode Function in SQL Learn Oracle - Using Logical Operators in the WHERE Clause of the Select Statement Learn Oracle - Using Rollup Function, Cube Function Learn Oracle - Using Set Operators in SQL Learn Oracle - What are the Different SQL Data Types Learn Oracle - What are the different types of Databases Visit Pebbles Official Website - http://www.pebbles.in Subscribe to our Channel – https://www.youtube.com/channel/UCNNjWVsQqaMYccY044vtHJw?sub_confirmation=1 Engage with us on Facebook at https://www.facebook.com/PebblesChennai Please Like, Share, Comment & Subscribe
Views: 2465 Pebbles Tutorials
auto increment in sql oracle ----------------------------------------------- CREATE table customers ( customer_id int not null, customer_name varchar(50), primary key (customer_id) ); create sequence customer_id minvalue 1 start with 1 cache 10; insert into customers values(customer_id.nextval,'maxwel'); -- to drop sequence drop sequence customer_id
Views: 7552 Data Disc
SQL 12c Tutorial 12 : SQL Date Manipulation functions SQL 12c Tutorial for beginners Oracle SQL 12c Tutorial for beginners MONTHS_BETWEEN ADD_MONTHS NEXT_DAY LAST_DAY ROUND TRUNC
Views: 189 TechLake
Next up on our MySQL to-do list is to learn about storing dates and times. There are various data types in MySQL for storing dates and times. It seems MySQL and databases likes to break everything up into multiple data types to make things more organized at the consequence of being confusing and annoying. This video is going to be talking about the DATETIME, DATE, and TIME data types. These are all used to store, you guessed it, dates and times. The one you choose depends on your needs. If you just need dates, choose DATE. If you just need times, choose TIME, if you need both stored together, choose DATETIME. Now you set a column one of these data types whenever you want every row for this field to have some sort of date, time or both…but how exactly is the data formatted? This requires us to understand some convention. For example, in the USA at least, if you have something like 4:30AM, by convention you know the hour is 4 and the minutes are 30. But this is just an agreed upon convention. MySQL has its own convention…For example 2017-02-02. The first thing is the year, the second is the month, and the third is the day. That is for the DATE. The convention for time is 22:54:30. The first is the hour (military time), the second is the minute, and the third is the seconds. Lastly, there can actually be fractions of seconds…up to microseconds! .123456. To use fractional seconds though you must specify to MySQL the precision of the TIME or DATETIME when you create it, for example DATETIME(6) would allow microsecond precision. How do you actually give a date to MySQL? By that I mean let's say you have a table with a column of DATETIME(6), and you want to give a value for that column, how do you format it? It's quoted. For example: '2017-02-02 22:54:30.333333' MySQL interprets this as a DATETIME. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Support me! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 36959 Caleb Curry
In this video I use the INSERT command to add an entire record into a table. When using the command you must also use the keyword VALUES. If you want to enter a null value (one that has no value) for a field you can use the keyword NULL. Be sure to put single quotes around data types that are not numbers. Values need to be entered in the order the fields appear in the table. The commands I used are: INSERT INTO BOOKS VALUES (1,'140231862','9780140231861','The Winter King: A Novel of Arthur','Fiction','14.99','P',1996,1,2) INSERT INTO BOOKS VALUES ('2','140232478','9780140232479','Enemy of God: A Novel of Arthor','Fiction',14.99,'P','1997',1,2); INSERT INTO BOOKS VALUES ('3','140232877','9780140232875','Excalibur: A Novel of Arthor','Fiction',14.99,'P','1998',1,2); INSERT INTO BOOKS VALUES ('4','6513840','9780006513841','Harlequin: Grail Quest','Fiction',19.99,'P','2001',1,1); INSERT INTO BOOKS VALUES ('5','6513859','9780006513858','Vagabond: Grail Quest','Fiction',19.99,'P','2003',1,1); INSERT INTO BOOKS VALUES ('6','7149891','9780007149896','Heretic: Grail Quest','Fiction',19.99,'P','2004',1,1); INSERT INTO BOOKS VALUES ('7','553103547','9780553103540','A Game of Thrones','Fiction',13.99,'H','1996',2,4); INSERT INTO BOOKS VALUES ('8','553801473','9780553801477','A Dance with Dragons','Fiction',13.99,'H','2010',2,5); INSERT INTO BOOKS VALUES ('9','055357342X','9780553573428','A Storm of Swords','Fiction',4.99,'P','2003',2,4); INSERT INTO BOOKS VALUES ('10','1596590424','9781596590427','50 Success Classics','Audio',17.99,NULL,NULL,3,3) INSERT INTO AUTHOR VALUES (1,'Cornwell','Bernard'); INSERT INTO AUTHOR VALUES (2,'Martin','George'); INSERT INTO AUTHOR VALUES (3,'Butler','Tom'); INSERT INTO PUBLISHER VALUES (1,'HarperCollins Publishers Canada, Limited'); INSERT INTO PUBLISHER VALUES (2,'Penguin Books Canada, Limited'); INSERT INTO PUBLISHER VALUES (3,'Gildan Media Corp'); INSERT INTO PUBLISHER VALUES (4,'Bantam Dell Pub Group'); INSERT INTO PUBLISHER VALUES (5,'Spectra'); This video is part of a series of videos with the purpose of learning the SQL language. For more information visit Lecture Snippets at http://lecturesnippets.com.
Views: 41642 Lecture Snippets
The Best Site to Learn SQL Online
Views: 34921 TechnicalSkills
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Views: 19786 Durga Software Solutions
SQL Tutorial 33: How to insert data into table using SQL Insert Into dml statement Tutorial Consist: SQL Insert statement syntax for inserting data in selected columns of a table. SQL Insert Statement syntax for inserting data into all the columns of a table.With example of both the syntax. 0:27: Structure of student table used in this tutorial 0:49: Syntax 1 for inserting data in selected columns of a table 1:19: Syntax 2 for inserting data into all the columns of a table. 2:02: Query 1 example of syntax 2 4:21: Things to remember about SQL Insert Into DML 5:00: Query 2 example of Syntax 1 Links: Blog on Insert Into statement http://bit.ly/sql-insert-into Primary Key Tutorial : http://youtu.be/jB1btTR_b4s Foreign Key Tutorial : http://youtu.be/0nbkBI5r3Gw Copy Cloud referral link || Use this link to join copy cloud and get 20GB of free storage https://copy.com?r=j7eYO7 Amazon Wishlist: http://bit.ly/wishlist-amazon Contacts E-Mail [email protected] Twitter https://twitter.com/rebellionrider Instagram http://instagram.com/rebellionrider Facebook. https://www.facebook.com/imthebhardwaj Linkedin. http://in.linkedin.com/in/mannbhardwaj/ Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com
Views: 30563 Manish Sharma
CREATE TABLE command in sql/oracle,INSERT command in sql/oracle UPDATE,ALTER PASSWORD command in sql, GRANT command, REVOKE command i, CREATE SYNONYM command in sql/oracle, DELETE command in sql/oracle, ALTER TABLE command in sql/oracle, DROP TABLE command in sql/oracle, CREATE INDEX command in sql/oracle, ALTER INDEX command in sql/oracle, DROP INDEX command in sql/oracle, CREATE VIEW command in sql/oracle, DROP VIEW command in sql/oracle, USING SQL COMMAND Types of SQL Commands The following sections discuss the basic categories of commands used in SQL to perform various functions. These functions include building database objects, manipulating objects, populating database tables with data, updating existing data in tables, deleting data, performing database queries, controlling database access, and overall database administration. The main categories are DDL (Data Definition Language) DML (Data Manipulation Language) DQL (Data Query Language) DCL (Data Control Language) Data administration commands Transactional control commands Defining Database Structures Data Definition Language, DDL, is the part of SQL that allows a database user to create and restructure database objects, such as the creation or the deletion of a table. Some of the most fundamental DDL commands discussed during following hours include the following: CREATE TABLE ALTER TABLE DROP TABLE CREATE INDEX ALTER INDEX DROP INDEX CREATE VIEW DROP VIEW Manipulating Data Data Manipulation Language, DML, is the part of SQL used to manipulate data within objects of a relational database. There are three basic DML commands: INSERT UPDATE DELETE Selecting Data Though comprised of only one command, Data Query Language (DQL) is the most concentrated focus of SQL for modern relational database users. The base command is as follows: SELECT This command, accompanied by many options and clauses, is used to compose queries against a relational database. Queries, from simple to complex, from vague to specific, can be easily created. The SELECT command is discussed in exhilarating detail during Hours 7 through 16. A query is an inquiry to the database for information. A query is usually issued to the database through an application interface or via a command line prompt. Data Control Language Data control commands in SQL allow you to control access to data within the database. These DCL commands are normally used to create objects related to user access and also control the distribution of privileges among users. Some data control commands are as follows: ALTER PASSWORD GRANT REVOKE CREATE SYNONYM You will find that these commands are often grouped with other commands and may appear in a number of different lessons throughout this book. Data Administration Commands Data administration commands allow the user to perform audits and perform analyses on operations within the database. They can also be used to help analyze system performance. Two general data administration commands are as follows: START AUDIT STOP AUDIT Do not get data administration confused with database administration. Database administration is the overall administration of a database, which envelops the use of all levels of commands. Database administration is much more specific to each SQL implementation than are those core commands of the SQL language. Transactional Control Commands In addition to the previously introduced categories of commands, there are commands that allow the user to manage database transactions. COMMIT Saves database transactions ROLLBACK Undoes database transactions SAVEPOINT Creates points within groups of transactions in which to ROLLBACK SET TRANSACTION Places a name on a transaction Transactional commands are discussed extensively during Hour 6, "Managing Database Transactions."
Views: 2 SHILPA SINGH AMETHI
Please Subscribe Channel Like, Share and Comment Visit : www.geekyshows.com
Views: 32181 Geeky Shows
#Advanced java tutorial JDBC: adv java : java JDBC program to insert date values in Database table by collecting them from end user in different patterns with mysql & oracle
Views: 931 tech fort
Oracle SQL Video Tutorials 18 - Working with DATE functions explained
Views: 4916 Just Channel
In this video we will learn about different DateTime data types, and different date time functions in sql server. We will also understand the difference between terms UTC (Coordinated Universal Time) and Time Zone offset. Text version of the video http://csharp-video-tutorials.blogspot.co.uk/2012/09/datetime-functions-in-sql-server-part-25.html Slides http://csharp-video-tutorials.blogspot.com/2013/08/part-25-datetime-functions-in-sql-server.html All SQL Server Text Articles http://csharp-video-tutorials.blogspot.com/p/free-sql-server-video-tutorials-for.html All SQL Server Slides http://csharp-video-tutorials.blogspot.com/p/sql-server.html All Dot Net and SQL Server Tutorials in English https://www.youtube.com/user/kudvenkat/playlists?view=1&sort=dd All Dot Net and SQL Server Tutorials in Arabic https://www.youtube.com/c/KudvenkatArabic/playlists
Views: 209416 kudvenkat
SQL Classes for Beginners in Hindi and English SQL Insert Into Statement using Example on Oracle 11g Database
Views: 37646 Easy Engineering Classes
In this video, we will see how to retrieve records for a specific time duration. SQLs used in this video are given below. select * from employees; alter session set nls_date_format = 'DD-MON-YYYY HH24:MI:SS'; SELECT DBMS_RANDOM.VALUE(0,9) FROM DUAL; SELECT SYSDATE-DBMS_RANDOM.VALUE(0,9) FROM DUAL; SELECT FIRST_NAME,LAST_NAME, SYSDATE-DBMS_RANDOM.VALUE(0,9) CREATED_DATE FROM EMPLOYEES; CREATE TABLE EMP_TEST AS SELECT FIRST_NAME,LAST_NAME, SYSDATE-DBMS_RANDOM.VALUE(0,9) CREATED_DATE FROM EMPLOYEES; SELECT * FROM EMP_TEST ORDER BY CREATED_DATE DESC; select sysdate from dual; select sysdate,trunc(sysdate) from dual; 26 sep 2018 00:00:00 to 26 sep 2018 23:59:59 select sysdate,trunc(sysdate),trunc(sysdate)+0.99999 from dual; Records that got created yesterday.. 25 sep 2018 00:00:00 to 25 sep 2018 23:59:59 select trunc(sysdate-1),trunc(sysdate-1)+0.99999 from dual; SELECT * FROM emp_test WHERE created_date BETWEEN trunc(SYSDATE-1) AND trunc(SYSDATE-1)+0.99999 order by created_date; Retrieve records for 22nd Septembter 2018 SELECT * FROM emp_test WHERE created_date BETWEEN to_date('22-sep-2018 00:00:00','dd-mon-yyyy hh24:mi:ss') AND to_date('22-sep-2018 23:59:59','dd-mon-yyyy hh24:mi:ss') order by created_date; SELECT * FROM emp_test WHERE created_date BETWEEN to_date('22-sep-2018','dd-mon-yyyy') AND to_date('22-sep-2018 23:59:59','dd-mon-yyyy hh24:mi:ss') order by created_date; -- Get all records created in last 24 hours select sysdate,sysdate-1 from dual; SELECT * FROM emp_test where created_date between sysdate-1 and sysdate order by created_date;
Views: 137 Ganesh Anbarasu
One of SQL Developer’s most popular features has undergone a significant upgrade. Users can quickly define and recall delimited or Excel files to be imported to a new or existing Oracle table. Data preview and validation is provided for each column, as well as ‘best guess’ data type and date format mask mapping. This process can now be automated via the SQL Developer command line interface (SDCLI) ‘Import’ command. NOTE: This is a video only. There is no audio. Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 73679 Oracle Learning Library
From Oracle SQL Developer's menu go to Tools -- Preferences. From the Preferences dialog, select Database -- NLS from the left panel. From the list of NLS parameters, enter DD-MON-RR HH24:MI:SS or for 24-Hour, DD-MON-YY HH24:MI:SS Or just for an active session use below instead. alter SESSION set NLS_DATE_FORMAT = 'required_date_format' i.e. alter SESSION set NLS_DATE_FORMAT = 'DD-MM-YYYY HH24:MI:SS' into the Date Format field. Save and close the dialog.
Views: 925 Maruti AIR Tech
In this video you will learn about Conversion Functions To Char, To Date, NVL, Decode in PL/SQL Oracle. For Support =========== Email: [email protected] Contact Form: http://www.learninhindi.com/home/contact Our Social Media ================ Facebook: https://www.facebook.com/LearnInHindi Twitter: https://twitter.com/LearnInHindi For Training & Videos ===================== For more videos and articles visit: http://www.learninhindi.com Free Java Programming In Hindi Course ===================================== https://www.youtube.com/playlist?list=PLOZ3jentlCDAwwhMyoLISrxkXTADGp7PH Free Oracle PL/SQL Programming In Hindi Course ============================================== https://www.youtube.com/playlist?list=PLB5DA82419C2D99B6 Free C Programming In Hindi Course ================================== https://www.youtube.com/playlist?list=PLOZ3jentlCDAxKpBLMWogxSdy6BZcsAJq Trips & Tricks Channel ====================== https://www.youtube.com/channel/UCGmLfkuCo-3lHHJXRJ9HUMw Programming in Hindi Channel ============================ https://www.youtube.com/channel/UCudElIDgwNrybeAvXIy1HZQ
Views: 10488 ITORIAN
------------------Online Courses to learn---------------------------- Java - https://bit.ly/2H6wqXk C++ - https://bit.ly/2q8VWl1 AngularJS - https://bit.ly/2qebsLu Python - https://bit.ly/2Eq0VSt C- https://bit.ly/2HfZ6L8 Android - https://bit.ly/2qaRSAS Linux - https://bit.ly/2IwOuqz AWS Certified Solutions Architect - https://bit.ly/2JrGoAF Modern React with Redux - https://bit.ly/2H6wDtA MySQL - https://bit.ly/2qcF63Z ----------------------Follow--------------------------------------------- My Website - http://www.codebind.com My Blog - https://goo.gl/Nd2pFn My Facebook Page - https://goo.gl/eLp2cQ Google+ - https://goo.gl/lvC5FX Twitter - https://twitter.com/ProgrammingKnow Pinterest - https://goo.gl/kCInUp Text Case Converter - https://goo.gl/pVpcwL -------------------------Stuff I use to make videos ------------------- Stuff I use to make videos Windows notebook – http://amzn.to/2zcXPyF Apple MacBook Pro – http://amzn.to/2BTJBZ7 Ubuntu notebook - https://amzn.to/2GE4giY Desktop - http://amzn.to/2zct252 Microphone – http://amzn.to/2zcYbW1 notebook mouse – http://amzn.to/2BVs4Q3 ------------------Facebook Links ---------------------------------------- http://fb.me/ProgrammingKnowledgeLearning/ http://fb.me/AndroidTutorialsForBeginners http://fb.me/Programmingknowledge http://fb.me/CppProgrammingLanguage http://fb.me/JavaTutorialsAndCode http://fb.me/SQLiteTutorial http://fb.me/UbuntuLinuxTutorials http://fb.me/EasyOnlineConverter how can i insert date in yyyy-mm-dd format jdatechooser Creating a DateChooser Control with Java how to save date into database using jdatechooser in netbeans java netbeans java tutorial how to insert data from netbeans into database Insert information into a MySQL database - NetBeans - Java Insert Data Into Mysql Database Using Netbeans Insert Data Of Textfields In Database "netbeans" Insert Data Into Database Using Netbeans to insert, update and delete new data into mysql database using jbutton. How to insert data into database how to insert java.sql.data into database
Views: 74921 ProgrammingKnowledge
Text Article http://csharp-video-tutorials.blogspot.com/2017/02/sql-script-to-insert-into-many-to-many.html Slides http://csharp-video-tutorials.blogspot.com/2017/02/sql-script-to-insert-into-many-to-many_6.html SQL Server Interview Questions and Answers text articles & slides http://csharp-video-tutorials.blogspot.com/2014/05/sql-server-interview-questions-and.html SQL Server Interview Questions and Answers playlist https://www.youtube.com/playlist?list=PL6n9fhu94yhXcztdLO7i6mdyaegC8CJwR All Dot Net and SQL Server Tutorials in English https://www.youtube.com/user/kudvenkat/playlists?view=1&sort=dd All Dot Net and SQL Server Tutorials in Arabic https://www.youtube.com/c/KudvenkatArabic/playlists In this video we will discuss how to insert data into a table that has many-to-many relationship Create table Students ( Id int primary key identity, StudentName nvarchar(50) ) Go Create table Courses ( Id int primary key identity, CourseName nvarchar(50) ) Go Create table StudentCourses ( StudentId int not null foreign key references Students(Id), CourseId int not null foreign key references Courses(Id) ) Go Students - Id column is identity column Courses - Id column is identity column StudentCourses - StudentId and CourseId columns are foreign keys referencing Id column in Students and Courses tables As you can see, StudentCourses is a bridge table that has many to many relationship with Students and Courses tables. This means a given student can be enrolled into many courses and a given course can have many students enrolled. Below is the question asked in an interview for SQL Server Developer role. Write a SQL script to insert data into StudentCourses table. Here are the rules that your script should follow. 1. There will be 2 inputs for the script Student Name - The name of the student who wants to enroll into a course Course Name - The name of the course the student wants to enroll into 2. If the student is already in the Students table, then use that existing Student Id. If the student is not already in the Students table, then a row for that student must be inserted into the Students table, and use that new student id. 3. Along the same lines, if the course is already in the Courses table, then use that existing Course Id. If the course is not already in the Courses table, then a row for that course must be inserted into the Courses table, and use that new course id. 4. There should be no duplicate student course enrollments, i.e a given student must not be enrolled in the same course twice. For example, Tom must not be enrolled in C# course twice. Answer : To avoid duplicate student course enrollments create a composite primary key on StudentId and CourseId columns in StudentCourses table. With this composite primary key in place, if someone tries to enroll the same student in the same course again we get violation of primary key constraint error. Alter table StudentCourses Add Constraint PK_StudentCourses Primary Key Clustered (CourseId, StudentId) Here is the SQL script that inserts data into the 3 tables as expected Declare @StudentName nvarchar(50) = 'Sam' Declare @CourseName nvarchar(50) = 'SQL Server' Declare @StudentId int Declare @CourseId int -- If the student already exists, use the existing student ID Select @StudentId = Id from Students where StudentName = @StudentName -- If the course already exists, use the existing course ID Select @CourseId = Id from Courses where CourseName = @CourseName -- If the student does not exist in the Students table If (@StudentId is null) Begin -- Insert the student Insert into Students values(@StudentName) -- Get the Id of the student Select @StudentId = SCOPE_IDENTITY() End -- If the course does not exist in the Courses table If (@CourseId is null) Begin -- Insert the course Insert into Courses values(@CourseName) -- Get the Id of the course Select @CourseId = SCOPE_IDENTITY() End -- Insert StudentId & CourseId in StudentCourses table Insert into StudentCourses values(@StudentId, @CourseId) If required, we can very easily convert this into a stored procedure as shown below. Create procedure spInsertIntoStudentCourses @StudentName nvarchar(50), @CourseName nvarchar(50) as Begin Declare @StudentId int Declare @CourseId int Select @StudentId = Id from Students where StudentName = @StudentName Select @CourseId = Id from Courses where CourseName = @CourseName If (@StudentId is null) Begin Insert into Students values(@StudentName) Select @StudentId = SCOPE_IDENTITY() End If (@CourseId is null) Begin Insert into Courses values(@CourseName) Select @CourseId = SCOPE_IDENTITY() End Insert into StudentCourses values(@StudentId, @CourseId) End Use the following statement to execute the stored procedure Execute spInsertIntoStudentCourses 'Tom','C#'
Views: 90115 kudvenkat
Please watch: "Install Oracle Database 12c Release 2 on Windows 10 Professional 64 bit" https://www.youtube.com/watch?v=5705VFJmku0 -~-~~-~~~-~~-~- : SQL Tutorial
Views: 34 Solution Wizard
How to filter on date values in SQL using the SQL WHERE clause. The full Introduction to Oracle SQL course is available here: https://www.databasestar.com/introduction-to-oracle-sql-course/
Views: 390 Database Star
Visual C# .NET Controls The Date Time Picker - Date Picker C# - How do I set my datetimepicker date? visual C# - DateTimePicker date to string C# How to compare the time of a DateTimePicker control and the How do I get value from Date time picker and Month calendar C# How to pass values to a dateTimePicker control C# How to change DateTimePicker control to 24h time format ? Getting started with the DateTimePicker Visual Studio 2012 RC - Age calculation from Converting date time picker value into t_time type date time picker - 7 posts DateTimePicker - Visual C# assign SYSTEMTIME to DateTimePicker Control C#
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In this video I use the CREATE TABLE command to create three tables: Books, Publisher, and Author. I use these three tables as sample data. The code I entered in is: CREATE TABLE BOOK ( BOOK_ID VARCHAR(4) PRIMARY KEY, ISBN_10 VARCHAR(10), ISBN_13 VARCHAR(13), TITLE VARCHAR(50), CATEGORY VARCHAR(15), PRICE DECIMAL(6,2), BINDING VARCHAR(1), PUB_DATE VARCHAR(4), AUTHOR_ID SMALLINT, PUBLISHER_ID SMALLINT ); CREATE TABLE PUBLISHER ( PUBLISHER_ID SMALLINT PRIMARY KEY, PUBLISHER_NAME VARCHAR(40) ); CREATE TABLE AUTHOR ( AUTHOR_ID SMALLINT PRIMARY KEY, AUTHOR_LAST VARCHAR(25), AUTHOR_FIRST VARCHAR(20) ); I have to create each table individually in the SQL commands window. This video is part of a series of videos with the purpose of learning the SQL language. For more information visit Lecture Snippets at http://lecturesnippets.com.
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Oracle Database11g tutorials 14 How to Create table using command prompt and Create table using sql developer Blog Link http://bit.ly/1TkY4Oe Time Line 0:25 Introduction of Tables in Database 1:03 What is Create Table (Introduction of create table) 1:30 Syntax of Create Table 2:08 How to create table using Command Prompt 4:55 How to create table using SQL Developer Links for Oracle Database tutorials 4: database connectivity using SQL developer and command prompt http://youtu.be/wSqoXRlXDUU You can have indepth knowledge about SQL create table here http://www.rebellionrider.com/sql-create-table.html Tool used in this tutorial is command prompt. This tutorial series is part of SQL expert exam certification training. if you are preparing for SQL certification you can use my tutorials. This SQL Tutorial is a part of free training. Copy Cloud referral link || Use this link to join copy cloud and get 20GB of free storage https://copy.com?r=j7eYO7 Contacts E-Mail [email protected] Twitter https://twitter.com/rebellionrider Instagram http://instagram.com/rebellionrider Facebook. https://www.facebook.com/imthebhardwaj Linkedin. http://in.linkedin.com/in/mannbhardwaj/ Thanks for linking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com Today in this oracle database tutorial we will see How to CREATE A TABLE. if we have to define a table in layman language then we can say that Tables are just a collection of Rows and Columns but In RDBMS tables are database objects which help in organizing data into ROWS and COLUMNS. We can also say that SQL tables are kind of data structure which are used by database for efficient storage of data. To create a table in our database we use SQL CREATE TABLE command. SQL CREATE TABLE is a type of DATA DEFINITION LANGUAGE also known as DDL. To Create a table in your schema you will require CREATE TABLE system privilege. In our future videos we will see what are system and object privileges and how to grant them to a user. Today for this video we will be using Sample schema HR which already has all the necessary privileges. Ohk Let's see the syntax. CREATE TABLE table name ( column name1 Data-Type(size), column name2 Data-Type(size), ..... ); CREATE TABLE is an oracle reserved word or say an Oracle key word whereas There are 3 different ways of creating a table in Oracle database. Creating a table using Command Line Interface (CLI) in Oracle database For demonstrating how to create table in oracle database using CLI, I'll be using Command prompt. Thats how we create table using command prompt. you can check your table structure by DESCRIBE command for that just write DESC and your table name. Like this Another way of creating a table is by using Graphic user interface (GUI) in Oracle database To demonstrate how to create table using GUI we will use SQL developer. Lets open our SQL developer I am connected to HR schema if you do not know how to create a connection to database using SQL developer please watch my oracle database tutorial 4 that explains database connectivity using SQL developer and command prompt. Link for this video is in the description below. So lets create a table. Creating a table using SQL developer is very easy we do not have to fire any query here. Let's start First of all right click on your connection in which you want to create a table and choose schema browser. This will open a separate schema browser pane or you can expend your connection by clicking this + sign and then right click on table and choose New Table. However I prefer working with schema browser so let's skip to schema browser pane here from the first drop-down list you can choose connection name and in the second drop down list you can choose what database objects you want to work with we want to create a table thus I'll choose table and then click this arrow here and choose option for new table Ok we have created a table wizard first of all give a unique name to your table and add some column as well. For this, click the green plus button. Now we already have a column so give it some name. Also choose a datatype from the list and specify any size you can check this not null column if in case you want to make this a mandatory column you can also specify default value and constraint If you want to make this column a primary key you can click here In my future video i'll show you what are these constraints and different ways of applying them on a column in a table. for this video we will concentrate on create table only so when you are done with all your columns click ok Thats your table You can double click on your table here and can see its structure. Thats it
Views: 183734 Manish Sharma