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8 Μαΐ 2014 · case when rate_date between '2010-01-01' and '2010-01-31' then 'january' else 'nothing' end as 'months' You can think of this as being equivalent to: CASE TRUE WHEN RATE_DATE BETWEEN '2010-01-01' AND '2010-01-31' THEN 'JANUARY' ELSE 'NOTHING' END AS 'MONTHS'
23 Μαρ 2015 · I have a CASE statement, which looks like below: SELECT CASE. WHEN <expression>> BETWEEN 0 AND 10 THEN '0-10'. WHEN <<expression>> BETWEEN 11 AND 20 THEN '11-20'. WHEN <<expression>> BETWEEN 21 AND 30 THEN '21-30'. ... This works great but it looks ugly.
16 Ιαν 2024 · The CASE WHEN statement lets us make decisions on our data, categorizing and manipulating records based on specified conditions. Find out how to use CASE WHEN in this article. Imagine you're deciding what to wear for the day. You take out your umbrella if it's raining; if not, you leave it at home.
The CASE expression 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 ELSE clause.
3 Σεπ 2024 · CASE can be used in any statement or clause that allows a valid expression. For example, you can use CASE in statements such as SELECT, UPDATE, DELETE and SET, and in clauses such as <select_list> , IN, WHERE, ORDER BY, and HAVING.
The CASE statement returns the result_1, result_2, or result_3 if the expression matches the corresponding expression in the WHEN clause. If the expression does not match any expression in the WHEN clause, it returns the esle_result in the ELSE clause.
17 Αυγ 2021 · Table of Contents. What Is the CASE Statement? Using CASE with the GROUP BY Clause. Using CASE in the ORDER BY Clause. Using CASE in the WHERE Clause. Using CASE in the HAVING Clause. Using CASE in an UPDATE Statement. CASE Statement Limits. Sequential Evaluation in CASE. CASE Statement Flow Control. Ready to Use CASE in SQL Queries?
