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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
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.
20 sie 2024 · In this article, we’ll explore how to use the CASE statement with multiple conditions, providing simple examples that should work across most major relational database management systems (RDBMS s).
18 sty 2024 · CONTAINS is a SQL Server function to search for a word or phrase in one or more text columns using precise or fuzzy matching. Specifically, SQL CONTAINS is a predicate to use in the WHERE clause to perform full-text search. The column or columns to search in must be of character-based data types.
30 paź 2023 · It can be combined with other functions to mimic an SQL if statement in select, enabling you to specify various outcomes and choose among them based on a specified condition or index, thus making it possible to render results based on conditional logic directly within a SELECT statement.
The CASEexpression goes through conditions and returns a value when the first condition is met (like an if-then-else statement). So, once a condition is true, it will stop reading and return the result. If no conditions are true, it returns the value in the ELSEclause.
If column X = 1 AND Y = 0 return one result, if X = 0 and Y = 1 return one result, if X = 1 AND Y = 1 then return two results. I want to write a query that will generate two row results for a single row based on the above rule. How can this be done with a SQL query?
