December 2025

A- Quick Revision SQL Stands for: Structured Query Language SQL is a type of: Relational Database Management System A type of database in which data is stored in the format of rows and columns i.e. in a table is called: Relational Database Management System Table in RDBMS is known as: Relation Row in RDBMS is…

MySQL Functions Functions are used to perform some specific task. Every functions has a particular pre-defined tasks. functions are categorized into two parts. 1. Single Row Functions These functions operates on a single row at a time. These functions are categorized into following parts- i. Math Functions ii. String Functions iii. Date and Time functions…

 JOIN Joins are used to extract data from one or more tables. There are different types of Joins in MySql. Let’s learn about them. 1. CROSS JOIN CROSS JOIN returns the Cartesian product of two tables. Every row of table1 is combined with every row of table2.              Example-  …