Category Archives: sql

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 […]

SQL – Text & Image functions SQL Text and Image functions operate on text and image data. The text and image functions are − Sr.No. Function & Description 1 Returns the pointer value of the text or images. 2 Returns an integer value(1 for valid, 0 for non-valid). Khóa học lập trình tại Toidayhoc vừa […]

SQL – Logical Functions SQL logical functions are used primarily for checking (or testing) the truth of some conditions. A logical function performs a logical operation or comparison on objects and expressions and returns a boolean value − Sr.No. Function & Description 1 Returns a item from the list at the specified index value. 2 […]