SQL – Group By Clause Table of content The SQL GROUP BY Clause The SQL GROUP BY clause is used in conjunction with the SELECT statement to arrange identical data into groups. This clause follows the WHERE clause in a SELECT statement and precedes the ORDER BY and HAVING clauses (if they exist). The main […]

SQL – ORDER BY Clause Table of content The SQL ORDER BY Clause The SQL ORDER BY clause is used to sort the data in either ascending or descending order, based on one or more columns. This clause can sort data by a single column or by multiple columns. Sorting by multiple columns can be […]

SQL – TOP Clause Table of content The SQL TOP Clause While we are retrieving data from an SQL table, the SQL TOP clause is used to restrict the number of rows returned by a SELECT query in SQL server. In addition, we can also use it with UPDATE and DELETE statements to limit (restrict) […]