Alternative to case statement in oracle

Feb More from stackoverflow. May CASE allows you to perform IF-THEN-ELSE logic in your SQL statements , similar to DECODE. The expression is used to compare against. Many conditions and can be specifie and if a condition matches the expression, then the result is returned.

The ELSE keyword specifies what happens if no condition is met. Dec SQL case statement alternative solution. Category: SQL - Version: oracle 11g. Oct This works perfectly. Is there an alternative to this that still would work?

Jun What is CASE Statement ? A CASE statement is similar to IF-THEN-ELSIF statement that selects one alternative based on the condition from the . Performance issue on Query. Here is query which i ran and it takes around 7-min to give the output. Could you please suggest the alternate. Like the IF statement, the CASE statement selects one sequence of statements to execute. However, to select the sequence, the CASE statement uses a selector . The result of the selector is used to select one of the several alternatives e. The decode function can be used in SQL for and IF- THEN-ELSE construction.

Nov CASE statements are very powerful and you should use them when you can to create elegant and optimal SQL in your DBapplications. In one line CASE is better and faster than DECODE. SQL CASE changes the result based on conditions. Jan This article will discuss the CASE statement.

There is also a CASE expr, which differs from the CASE statement described here. May When you want to display aggregate for each row without grouping, use the analytic versions of standard aggregate functions. The control passes to the succeeding statements in any case. NULL or FALSE, then the alternative sequence of statements gets executed that . Ispirer SQLWays Database Migration Software.

Oracle_Database_10g › doc › appdev. Alternatives , CASE , CASE , ANSI SQL Compliant. LEFT OUTER JOINs) and use CASE statements to pull the.

Apr In this blog am explaining the relation between case statement in sql with. But from these two alternative Case statement is the better one. Apr Support subqueries in HQL as CASE statement alternatives. The COALESCE expression is another application of the CASE.

The CASE expression can easily accommodate this. You could use the DECODE function in a SQL statement as follows: SELECT . The ELSE clause is added with the alternative sequence of statements. If you declared the function to return voi a RETURN statement can be used to exit. IF and CASE statements let you execute alternative commands based on .