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 […]
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SQL – Statistical Functions SQL server Statistical functions work on SQL server tables and views and exploit all database parallelism, scalability, user privileges and security schemes. Hence the SQL statistical functions can be included and exposed within SQL queries − Sr.No. Function & Description 1 Returns number of attempted connections. 2 Returns amount of time, […]
SQL – Cursor Functions In SQL Server, a cursor is a database object that enables us to retrieve and modify data from individual rows one at a time. Nothing more than a row pointer is what a cursor actually is. It always goes together with a SELECT statement. Typically, it consists of a set of […]