Hi everyone, I'd like to know something, what are the specific uses of sql functions? That's it, thank you for informing me please as soon as possible. Thank you in advance.
SQL has many built-in functions for performing processing on string or numeric data. Following is the list of all useful SQL built-in functions −
SQL COUNT Function - The SQL COUNT aggregate function is used to count the number of rows in a database table.
SQL MAX Function - The SQL MAX aggregate function allows us to select the highest (maximum) value for a certain column.
SQL MIN Function - The SQL MIN aggregate function allows us to select the lowest (minimum) value for a certain column.
SQL AVG Function - The SQL AVG aggregate function selects the average value for certain table column.
SQL SUM Function - The SQL SUM aggregate function allows selecting the total for a numeric column.
SQL SQRT Functions - This is used to generate a square root of a given number.
SQL RAND Function - This is used to generate a random number using SQL command.
SQL CONCAT Function - This is used to concatenate any string inside any SQL command.
SQL Numeric Functions - Complete list of SQL functions required to manipulate numbers in SQL.
SQL String Functions - Complete list of SQL functions required to manipulate strings in SQL.