SQL – Numeric Functions SQL numeric functions are used primarily for numeric manipulation and/or mathematical calculations. The following table details the numeric functions − Sr.No. Function & Description 1 Returns the absolute value of numeric expression. 2 Returns the arccosine of numeric expression. Returns NULL if the value is not in the range -1 to […]
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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 – Transactions Table of content SQL Transactions A transaction is a unit or sequence of work that is performed on a database. Transactions are accomplished in a logical order, whether in a manual fashion by a user or automatically by some sort of a database program. A transaction is the propagation of one or […]