SQL SERVER

                   Aggregate And Numeric Functions SQL has many built-in functions for performing processing on string or numeric data. ➥ AGGREGATEE FUNCTIONS:-    ➧ Average function : Returns average value of 'n', ignoring null values.         Example: SE LECT AVG(sell_price) from product;      ➧ COUNT  :Counts rows in a specified table or view.        Example: SELECT    COUNT ( * ) FROM products ;     ➧ MIN  : G ets the minimum value in a set of values.         Example: SELECT MIN ( unitsinstock ) FROM   products ;     ➧ MAX  : Gets the maximum value in a set of values.         Example: SELECT    MAX ( unitsinstock ) FROM    products ;     ➧ SUM  :Ca lculates the sum of values       Example:SELECT ...