Αποτελέσματα Αναζήτησης
15 Σεπ 2008 · SELECT 1 AS Saleable, * FROM @Product WHERE ( Obsolete = 'N' OR InStock = 'Y' ) UNION SELECT 0 AS Saleable, * FROM @Product WHERE NOT ( Obsolete = 'N' OR InStock = 'Y' )
4 Νοε 2015 · If column1 contains the value value1 then the CASE expression will return 1, and SUM() will add 1 for that row. If it doesn't, the CASE expression will return 0, and it will add 0 for that row.
28 Μαΐ 2024 · In this article, we explored different options for executing IF-THEN logic in a SQL SELECT statement. These options include using CASE , IIF() , and CHOOSE() . Furthermore, if we want a query that’s used in almost every dialect, we must choose the CASE statement.
30 Οκτ 2023 · The SQL IF statement in SELECT queries is utilized to introduce conditional logic, allowing for more dynamic and flexible data retrieval. Essentially, it lets you specify conditions to dictate which data should be fetched or how it should be displayed.
26 Μαΐ 2024 · In SQL, the IF statement facilitates conditional execution, enhancing the ability to tailor queries based on specific criteria. This tutorial delves into the syntax, examples, and advanced usage of the IF statement, demonstrating its versatility in SELECT, UPDATE, and INSERT INTO statements.
23 Νοε 2012 · Here are two ways "IF" Or "CASE". SELECT IF(COLUMN_NAME = "VALUE", "VALUE_1", "VALUE_2") AS COLUMN_NAME. FROM TABLE_NAME; OR. SELECT (CASE WHEN COLUMN_NAME = "VALUE" THEN 'VALUE_1' ELSE 'VALUE_2' END) AS COLUMN_NAME. FROM TABLE_NAME; edited Apr 6, 2020 at 11:46. Kennedy Maikuma.
7 Μαρ 2022 · Introduction. In some cases, you might want to choose the output value based on column values directly in your SQL statement. In this article, we will explain how to use the CASE expression in SELECT SQL statements. We will also explain how to use an alternative approach with an IF clause for MySQL.
