Sql server decode

I was reading a function in Oracle namely “Decode”. It is very handy when it comes to search a variable and return the result based on search. It has been asked on multiple forums, what the EQUIVALENT of DECODE IN SQL SERVER is? DECODE is a function in Oracle and is used to provide if-then-else type of logic to SQL.

The Encoding and Decoding of a string function are very usefull in Sql Server. Many times there is a need to encrypt or decrypt password some special column values in sql then you can use this sql code and achieve your objective with in a minute. In Oracle, you can use DECODE function to evaluate a list of expressions, and if a value is matched return the corresponding result. Recently I had a requirement to decode URL encoded string in T- SQL. In a DECODE function, Oracle considers two nulls to be equivalent.

If expr is null, then Oracle returns the result of the first search that is also null. The DECODE () function returned the column to sort based on the input argument. In this case, the DECODE () function returned the salary column, therefore, the result set was sorted by salary column. In this tutorial, you have learned how to use the SQL DECODE () function to add the if-then-else logic to a query. What is the function in SQL that works like DECODE in Oracle?

I tried but not able to get it. Thanks, N As you know CASE is not the same as DECODE. How is DECODE different than simple CASE? Winner of Best BI Software for SQL.

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Think of DECODE as a shorthand version of CASE. Users of those database types should refer to my previous article about using the CASE. Hi Dinesh, I have used this code. Later, this article also discusses DECODEfunction in SQL which though sounds similar to DECODE , is actually a different function used for encryption and shows how it can be used.

BASEEncode and Decode in T- SQL. In this article, we’ll be discussing some powerful SQL general functions, which are – NVL, NVL DECODE, COALESCE, NULLIF, LNNVL and NANVL. SQL Server has many built-in functions.

These are all single row function i. 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. The solution is using a “CASE WHEN” statement with a series of “THEN” statements to specify the desired result. The example used above would look like the following in MSSQL: SELECT.

Unfortunately, this syntax of the decode SQL statement is a bit cryptic. In Oracle, DECODE function allows us to add procedural if-then-else logic to the query. The following example will demonstrate the use of the. In this blog, we will try to get a complete understanding of DECODE function in SQL.

We will be learning the various ways to use DECODE , its syntax and understand it with examples. Stay with us until the end of. SQL is a standard language for storing, manipulating and retrieving data in databases. A while ago, I needed to create a URL encoding function in T-SQL. Below are two useful functions that I have created in-order to encode and decode from string to baseand vice-versa in T- SQL since there are apparently no build-in functions up till now that do this task.

The DECODE function in Oracle allows you to have IF-THEN-ELSE logic in your SQL statements. Converting from Base64. Using Oracle decode function The most powerful of all of the BIFs are the Oracle decode and Oracle case function.

The Oracle decode and case functions are used within the Oracle database to transform data values for one value to another.