Add constraint to a column and give it a name : Contraint Name « Constraints « Oracle PL / SQL

Oracle PL / SQL

1.	Aggregate Functions
2.	Analytical Functions
3.	Char Functions
4.	Constraints
5.	Conversion Functions
6.	Cursor
7.	Data Type
8.	Date Timezone
9.	Hierarchical Query
10.	Index
11.	Insert Delete Update
12.	Large Objects
13.	Numeric Math Functions
14.	Object Oriented Database
15.	PL SQL
16.	Regular Expressions
17.	Report Column Page
18.	Result Set
19.	Select Query
20.	Sequence
21.	SQL Plus
22.	Stored Procedure Function
23.	Subquery
24.	System Packages
25.	System Tables Views
26.	Table
27.	Table Joins
28.	Trigger
29.	User Previliege
30.	View
31.	XML

Java

Java Tutorial

Java Source Code / Java Documentation

Illustrator Tutorials

GIMP Tutorials

C# / C Sharp

C# / CSharp Tutorial

C# / CSharp Open Source

SQL Server / T-SQL Tutorial

Oracle PL/SQL Tutorial

Flash / Flex / ActionScript

VBA / Excel / Access / Word

XML

XML Tutorial

Microsoft Office PowerPoint 2007 Tutorial

Microsoft Office Excel 2007 Tutorial

Microsoft Office Word 2007 Tutorial

Oracle PL / SQL » Constraints » Contraint Name

Add constraint to a column and give it a name


  



SQL>

SQL> create table emp_1

  2  (emp_id    number constraint pk_emp_id primary key,

  3   firstname  varchar2(15) constraint firstname_nn not null,

  4   lastname   varchar2(20) constraint lastname_nn not null,

  5   midinit    char(1) );



Table created.



SQL>

SQL> drop table emp_1;



Table dropped.

Related examples in the same category

1.	Name the constraint
2.	SYS.SYS_C004353 is the contraint name

www.java2java.com | Contact Us

All other trademarks are property of their respective owners.