SQL Tutorial

Mysql Switch CASE
Mysql Switch Case perform one of several different actions based on several different conditions. View Rating

SQL Tutorial

Mysql Alter Column Default
Mysql Alter Column Default is used to modify the table and add a default column to Null. View Rating

SQL Tutorial

Mysql Alter Constraint
A constraint is a property in SQL assigned to a column or the set of columns in a table that prevents certain types of inconsistent data values from being placed in the column of the table. View Rating

SQL Tutorial

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. View Rating

SQL Tutorial

Mysql Alter Not Null
Mysql Alter Not Null is used to perform when we want records of a table have mandatory values or not to be remain Null. View Rating

SQL Tutorial

Mysql Alter Table Identity
Mysql Alter Table Identity is used to change the existing structure of table and add ID column as identity key that is used to uniquely define the records in the table. View Rating

SQL Tutorial

Mysql Alter Table Syntax
Mysql Alter Table is used to redefine the existing table. View Rating

SQL Tutorial

Mysql Alter Unique Key
Mysql Alter Unique is used to change the table structure and add unique key on specified column of a table. View Rating

SQL Tutorial

Mysql Date Quarter
Mysql Date Quarter is a query in SQL that is used to show Quarter date range from 1 to 4. View Rating

SQL Tutorial

Mysql Time Range
Mysql Time Range is used to displays time values in 'HH:MM:SS' format, but helps you to assign values to Time columns using either strings numbers. View Rating

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