SQL (Structured Query Language) is a powerful language used for managing and manipulating relational databases. Some of the most common SQL commands are: 1. SELECT : Retrieves data from one or more tables. SELECT column1, column2 FROM table_name WHERE condition ; 2. INSERT : Inserts new records into a table. INSERT INTO table_name (column1, column2) VALUES (value1, value2); 3. UPDATE : Modifies existing records in a table. UPDATE table_name SET column1 = value1 WHERE condition ; 4. DELETE : Removes records from a table. DELETE FROM table_name WHERE condition ; 5. CREATE TABLE : Creates a new table in the database. CREATE TABLE table_name ( column1 datatype, column2 datatype...