MySQL

A primary key is a column or a set of columns that uniquely identifies each record in a database table. …

You can use the logical operators AND, OR, and NOT to filter records based on more than one condition and …

You might have noticed that, when you use the SELECT statement to query data, the results are not sorted in …

One of the most common tasks when working with MySQL databases is the data update. To update records in an …

Sometimes tables contain thousands of rows and if you run a SELECT statement to display all rows, you will impact …

You can use the DELETE command to remove a row from a table. The syntax: DELETE FROM table_name WHERE column_name …