To answer this question, we need to understand what SQL keywords and SQL clauses are.
SQL (Structured Query Language) is a programming language used for managing and manipulating relational databases. It includes various keywords and clauses that are used to perform different operations on the data.
Let's go through each option to understand why it is correct or incorrect:
Option A) Insert - This option is a SQL keyword used to insert new rows of data into a table. It is a valid SQL keyword.
Option B) Update - This option is a SQL keyword used to update existing rows of data in a table. It is a valid SQL keyword.
Option C) Delete - This option is a SQL keyword used to delete rows of data from a table. It is a valid SQL keyword.
Option D) Invert - This option is not a SQL keyword or SQL clause. It does not have any specific meaning or functionality in SQL. Therefore, the correct answer is D) Invert.
The correct answer is D) Invert. This option is not a SQL keyword or SQL clause.