The DECODE function in Oracle SQL / PLSQL has the functionality of IF-THEN-ELSE statement. The Syntax for the DECODE function in Oracle SQL / PLSQL is: SELECT DECODE(expression,search,result,[search, result]…[default]) FROM table_name; ‘expression’ is the value to be compared ‘search’ is the value to be compared with expression ‘result’ is the value which is returned if […]