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SQL Server: CASE WHEN OR THEN ELSE END the OR is not

Understanding Case Expression in SQL Server with Example

M. Obviously, you can't calculate the growth if there are no prior fiscal periods; you don't have anything to compare with the current period. Next, the expression checks whether the previous member has an empty value. Using an Adventure Works sample cube, the following statement could define the calculation for "growth in reseller sales The first clause of this expression sets the value of the calculated member to "NA" for the first member of the fiscal hierarchy within the. Like this: Although nested IIF syntax is still supported, you can probably tell that the first format is much cleaner than the second. Now consider what would happen if we had to examine 10 different conditions instead of two! So we subtract the customer count of the previous member from the customer count of the current member, and divide the result by the customer count of the previous member. How would we write the same expression in the previous version of Analysis.

END is not legal, because the WHERE clause would be the equivalent of. Code: WHERE 1 or WHERE 2 which is not legal syntax. Instead, the code could read: Code: SELECT FROM sometable WHERE 1 CASE WHEN somecondition THEN 1.

We can examine results of both calculations using the following query: SELECT mbers ON 1, seller sales amount, owth in reseller sales amount, owth in reseller sales amount IIF ON Again, it doesn't make sense to compare the current period with an empty value; so we set the value of the calculated member to NULL. Finally, if neither of the conditions is met, we must be defining growth of the customer base for. WHEN someothercondition THEN 2 ELSE. END and that's legal. But robprell is quite correct in that you'd probably be better off just using logical expressions rather than CASE. Jeff Mason Custom Apps, Inc. The syntax of a CASE statement resembles the same construct in Transact-SQL, as follows: For example, we could examine the levels of a particular hierarchy and apply a different calculation for a specific measure at each level. Obviously, you can't calculate the growth if there are no prior fiscal periods; you don't have anything to compare with the current period. Next, the expression checks whether the previous member has an empty value. MDX now supports CASE statements, which are considerably easier to code and maintain than the nested IIF statements. Sign in for existing members Enjoy this article as well as all of our content, including E-Guides, news, tips and more. It's also important to understand that in SQL, CASE is an expression and not an executable "control-of-flow" statement. Thus, the CASE expression, when evaluated, just returns a value which can then be tested or otherwise combined with other expressions (in statements). END is not legal, because the WHERE clause would be the equivalent of. Code: WHERE 1 or WHERE 2 which is not legal syntax. Instead, the code could read: Code: SELECT FROM sometable WHERE 1 CASE WHEN somecondition THEN 1. So we subtract the customer count of the previous member from the customer count of the current member, and divide the result by the customer count of the previous member. How would we write the same expression in the previous version of Analysis. Using an Adventure Works sample cube, the following statement could define the calculation for "growth in reseller sales The first clause of this expression sets the value of the calculated member to "NA" for the first member of the fiscal hierarchy within the. Arawak Language Aymara Language : Carib Language Guarani Language Mapudungun Language Quechua Language : More materials about individual South American Indian languages. American Indians American Indian Tribes Tribal Tattoos Would you like to help support our organization's work with endangered American Indian languages. Rousseau reforz en Kant la conviccin en la autonoma, en la independencia de la moralidad frente a las leyes que rigen el mundo objetivo. Newton y Rousseau, reino de la naturaleza y reino del espritu, causalidad y libertad. Your review will be checked according to our submission guidelines and posted within a few days. Industry experts said there's been increased investor interest and activity to fund indoor and outdoor cultivation, testing laboratories, infused product manufacturers, as well as licensed marijuana shops. Moreover, they are seeing more out-of-state interest given the huge size of the Golden State's market. Again, it doesn't make sense to compare the current period with an empty value; so we set the value of the calculated member to NULL. Finally, if neither of the conditions is met, we must be defining growth of the customer base for.

WHEN someothercondition THEN 2 ELSE. END and that's legal. But robprell is quite correct in that you'd probably be better off just using logical expressions rather than CASE. Jeff Mason Custom Apps, Inc.

Using case statement in sql server 2005
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However, when it is slower it is only superficially slower. As assylias pointed out, however, when creditOrDebit is D my procedure is at least twice as fast. I was able to reasonably test it at 100 million iterations. End If. Next i endTime1.


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