Introduction to MySQL DELETE statement To delete data from a table, you use the MySQL DELETE statement. The following illustrates the syntax of the DELETE statement: DELETE FROM table_name WHERE...

Data duplication happens because of many reasons. Finding duplicate values is one of the important tasks that you must deal with when working with the databases. Setting up a sample table First,...

Introduction to the MySQL INSERT statement The INSERT statement allows you to insert one or more rows into a table. The following illustrates the syntax of the INSERT statement: INSERT INTO...

Step 1 Download the classicmodels database from the MySQL sample database section. Step 2 Unzip the downloaded file into a temporary folder. You can use any folder you want. To make it simple,...

Introduction to MySQL NULL values In MySQL, a NULL value means unknown. A NULL value is different from zero (0) or an empty string ''. A NULL value is not equal to anything, even itself. If you...