SQL PRIMARY KEY Constraint
The PRIMARY KEY constraint is used to uniquely identifies each record in a database table.
SQL Date Between
Mysql Date Between return the date between the two existing date.
SQL Primary Key
The Primary Key in SQL is used to uniquely identifies each records in a database table.
Mysql add primary key
Mysql add Primary Key is used to add primary key on the column of existing table.
Mysql Alter Column Primary Key
Mysql Alter Column Primary Key is used to modify table and redefine the Primary Key Column in a table.
Mysql Alter Table Primary Key
Mysql Alter Table Primary Key is used to remove the primary key from the table and add primary key to the existing other column of table.
Mysql Difference
Mysql Difference is used to return the records that are the outcome of difference between the records in a table.
Mysql Alter Foreign Key
A Foreign Key is a field that marks to the primary key of another table. The use of the foreign key is used to ensure referential integrity of the data.