Apr 23
The CREATE INDEX statement is used to create indexes in tables.
Apr 16
The DEFAULT constraint is used to insert a default value into a column.
Apr 09
The CHECK constraint is used to limit the value range that can be placed in a column.
Apr 02
A FOREIGN KEY in one table points to a PRIMARY KEY in another table.
Mar 26
The PRIMARY KEY constraint uniquely identifies each record in a database table.
Mar 19
The UNIQUE constraint uniquely identifies each record in a database table.
Mar 12
The NOT NULL constraint enforces a column to NOT accept NULL values.
Mar 05
Constraints are used to limit the type of data that can go into a table.
Feb 26
The CREATE TABLE statement is used to create a table in a database.
Feb 19
The CREATE DATABASE statement is used to create a database.
