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1 sty 1991 · I need to print empty for the date value '1991-01-01'. I expect a result set something like below. I tried the below query but it still print that '1991-01-01' date. SELECT CASE CONVERT(date,h.sDestructionDate,103) WHEN '01/01/1991'.
16 sty 2024 · Whether you are a beginner navigating SQL or an experienced analyst, mastering the CASE WHEN statement is a key step toward unlocking deeper layers of data analysis. Dive further into its complexities with our articles How to Use CASE in ORDER BY in SQL and How to Use CASE WHEN in GROUP BY.
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.
20 kwi 2021 · This tip will teach you when and how you can use CASE in T-SQL statements with several code examples to give you a better understanding.
26 cze 2023 · We can use CASE in SQL statements such as SELECT, WHERE, and ORDER BY. CASE Statement in the WHERE Clause. The CASE statement in the WHERE clause can conditionally filter rows based on defined criteria. The syntax for the CASE statement in the WHERE clause is shown below.
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. Transact-SQL syntax conventions.
28 cze 2023 · In summary, the SQL case statement enables users to flexibly handle conditional logic when querying data in a simple, readable format. Understanding the basic syntax and working with examples helps build a strong foundation in effectively implementing case statements within SQL projects.
