One of the reader of the blog has sent me question regarding how to use DECODE function in SQL Server. DECODE Function - NULL Issue - Oracle to SQL Server Migration. In Oracle, you can use DECODE function to evaluate a list of expressions, and if a value is matched return the corresponding result.
In SQL Server , you can use CASE expression that is also supported by Oracle. It has been asked on multiple forums, what the EQUIVALENT of DECODE IN SQL SERVER is? Basically, we can achieve the same in SQL Server using Case . Hi, I have to implement the below decode function in sql server. In which, if the variable is empty, then all the rows to be retrieved by the query.
DECODE is a function in Oracle and is used to provide if-then-else type of logic to SQL. It is not available in MySQL or SQL Server. In MSSQL (Microsoft SQL Server ), there is no DECODE () function, but there is a similar solution, it simply requires writing just a little more code. Learn about decode function in Oracle and how to mimic decode in MySQL and SQL Server. Also know about basedecode in MySQL and SQL Server.
Think of DECODE as a shorthand version of CASE. Users of those database types . Database SQL Reference. DECODE compares expr to each search value one by one. In a DECODE function, Oracle considers two nulls to be equivalent.