MySQL ADD PRIMARY KEY clause
In this tutorial, we will learn about ADD PRIMARY KEY clause in MySQL. A primary key or just key is a column or set of columns in a table that can uniquely identify
MySQL
MySQL
MySQL DROP INDEX Statement
In this tutorial, we will learn about MySQL DROP INDEX statement. An index will assist MySQL database Server to find table rows more quickly and easily.
MySQL ADD INDEX Statement
In this tutorial, we will learn about MySQL ADD INDEX statement. The index can be added to existing tables using the ALTER TABLE statement. We can use
MySQL Functions
MySQL Functions can be invoked within expressions and returns a value that is used in place of the function call when the expression is evaluated.
MySQL MODIFY COLUMN clause
We can alter a column definition is to use a MODIFY COLUMN clause. We must specify the name of the column that you want to change, followed
MySQL DROP Column
To drop a column, we can use the ALTER TABLE with the DROP COLUMN clause that specifies the column to be removed.