SQL Database SQL Create DB SQL Drop DB SQL Backup DB SQL Create Table SQL Drop Table SQL Alter Table SQL Constraints SQL Not Null SQL Unique SQL Primary Key SQL Foreign Key SQL Check SQL Default SQL Index SQL Auto Increment SQL Dates SQL Views SQL Injection SQL Hosting SQL Data Types ...
SQL constraints are used to specify rules for data in a table.SQL Create ConstraintsConstraints can be specified when the table is created with the CREATE TABLE statement, or after the table is created with the ALTER TABLE statement.Syntax...