Let's go into detail about the most fundamental SQL operations: SELECT , WHERE , INSERT , UPDATE , and DELETE , with examples to clarify each. 1. SELECT : Retrieving Data from a Database The SELECT statement is used to retrieve data from one or more tables in a database. Syntax: SELECT column1, column2, ... FROM table_name; Example: Let’s assume we have a table called employees : id name position salary 1 Alice Manager 70000 2 Bob Developer 50000 3 Charlie Designer 40000 To retrieve all employee data: SELECT * FROM employees; Result 1: id | name | position | salary --------------------------------- 1 | Alice | Manager | 70000 2 | Bob | Developer| 50000 3 | Charlie | Designer | 40000 To retrieve only name and position : SELECT name, position FROM employees; Result: name | position ------------------ Alice | Manager Bob | Developer Charlie | Designer 2. WHERE Clause : Filtering Data The WHERE clause is used...