SQL – DROP Database Table of content The SQL DROP DATABASE statement is used to delete an existing database along with all the data such as tables, views, indexes, stored procedures, and constraints. SQL DROP Database Statement Following are the important points to remember before you delete an existing database − Make sure you have […]
Category Archives: sql
SQL – Useful Functions SQL has many built-in functions for performing processing on string or numeric data. Following is the list of all useful SQL built-in functions − – The SQL COUNT aggregate function is used to count the number of rows in a database table. – The SQL AVG aggregate function selects the average […]
SQL – Questions and Answers SQL Questions and Answers has been designed with a special intention of helping students and professionals preparing for various Certification Exams and Job Interviews. This section provides a useful collection of sample Interview Questions and Multiple Choice Questions (MCQs) and their answers with appropriate explanations. Sr.No. Question/Answers Type 1 This […]