Define Primary key in table creation command : Primary key « Constraints « SQL Server / T-SQL

SQL Server / T-SQL 1.  Aggregate Functions 2.  Analytical Functions 3.  Constraints 4.  Cursor 5.  Data Set 6.  Data Type 7.  Database 8.  Date Timezone 9.  Index 10.  Insert Delete Update 11.  Math Functions 12.  Select Query 13.  Sequence 14.  Store Procedure Function 15.  String Functions 16.  Subquery 17.  System 18.  Table 19.  Table Joins 20.  Transact SQL 21.  Transaction 22.  Trigger 23.  View 24.  XML Java Java Tutorial Java Source Code / Java Documentation Java Open Source Jar File Download Java Articles Java Products Java by API C# / C Sharp C# / CSharp Tutorial ASP.Net JavaScript DHTML JavaScript Tutorial JavaScript Reference HTML / CSS HTML CSS Reference C / ANSI-C C Tutorial C++ C++ Tutorial PHP Python SQL Server / T-SQL Tutorial Oracle PL / SQL Oracle PL/SQL Tutorial PostgreSQL SQL / MySQL MySQL Tutorial VB.Net VB.Net Tutorial Flash / Flex / ActionScript VBA / Excel / Access / Word Microsoft Office PowerPoint 2007 Tutorial Microsoft Office Excel 2007 Tutorial Microsoft Office Word 2007 Tutorial

SQL Server / T-SQL » Constraints » Primary key   Define Primary key in table creation command 20> 21> CREATE TABLE employee (emp_no     INTEGER  NOT NULL, 22>                        emp_fname  CHAR(20) NOT NULL, 23>                        emp_lname  CHAR(20) NOT NULL, 24>                        dept_no    CHAR(4)  NULL, 25>                        CONSTRAINT prim_empl PRIMARY KEY (emp_no)) 26> GO 1> 2> drop table employee 3> GO 1> 2> --  3>                     Related examples in the same category 1.  Combine two columns as the primary key 2.  Specification of the primary key of the employee table as a column-level constraint

www.java2java.com | Contact Us

Copyright 2010 - 2030 Java Source and Support. All rights reserved.

All other trademarks are property of their respective owners.