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SELECT CASE WHEN ColB = 'March' THEN (Select ColA FROM tablename WHERE ColB = 'January') END FROM tablename Or can be done without a CASE would be. SELECT (SELECT colA FROM tablename WHERE colB = 'January') FROM tablename WHERE colB = 'March' See example of second running here
15 wrz 2008 · If you need to write just one condition, then iif() is sufficient, however if you want to write multiple iif() conditions within one statement then you will have to use `case' statement as demonstrated in above responses. Here is an example for your reference.
28 maj 2024 · Syntax. Let’s look at the syntax for a CASE statement: SELECT column1, column2, CASE WHEN condition1 THEN result1. WHEN condition2 THEN result2. ELSE result_default. END AS alias_name. FROM table_name; Copy. Here, we use a SELECT and FROM query to select multiple columns from a table and use a CASE statement to evaluate conditions. 2.2.
4 sie 2024 · In this article, we discussed various methods for implementing IF or IF-ELSE logic in an SQL WHERE clause. These methods include using CASE, Boolean Operators, IF () or IIF (), and CHOOSE () or ELT (). Moreover, we can use universal CASE statements to handle multiple different conditions with different outcomes.
30 paź 2023 · WHERE (Department = 'IT' AND Salary > 60000) OR (Department = 'HR' AND Salary <= 60000); This query utilizes the WHERE clause with AND/OR operators as an SQL if statement in SELECT to combine multiple conditions, allowing the retrieval of specific records based on complex conditional logic. sql.
23 sie 2024 · Here is the basic syntax of a Multiple CASE WHEN statement: SELECTcolumn1,column2,CASEWHENcondition1THENresult1WHENcondition2THENresult2...ELSEdefault_resultENDASnew_columnFROMyour_table; This construct proves invaluable in handling scenarios where more than one condition needs consideration.
21 kwi 2016 · In DB2 for z/OS, use pack and unpack functions to return multiple columns in a subselect. SELECT *, p.name AS name, p.image, p.price, unpack((select PACK (CCSID 1028, ps.price, ps.date) FROM product_special ps WHERE p.id = ps.id AND ps.date < NOW() ORDER BY ps.priority ASC, LIMIT 1)) .*
