what are the categories of sql
1- Data Manipulation Language(DML)-(SELECT, INSTERT, UPDATE...) DML statements affect records in table. These are basic operations we perform on data such as selecting few records from a table, inserting new records, deleting unnecessary records, updating existing records. 2-Data Definition Language (CREATE , ALTER , DROP)... DDL statements are used to modify database or table schema. These statements handle the design and storage of database objects. 3-Data Control Language (GRANT , REVOKE)... DCL statements control the level of access that users have on database objects 4- Transaction Control Language (BEGIN TRAN, COMMIT TRAN, ROLLBACK)... TCL statements allows us to control and manage transactions to maintain the integrity of data withing SQL statements.