With the searched CASE expression, we can have multiple WHEN conditions: SELECT [BusinessEntityID],[JobTitle],[HireDate],Seniority=CASE WHENDATEDIFF(YEAR,[HireDate],GETDATE())>10 THEN'Longer than 10 years'WHENDATEDIFF(YEAR,[HireDate],GETDATE())=10 THEN'Exactly 10 years'WHENDATEDIFF(YEAR,[...
THEN conditions as required in the CASE statement. For example, -- multiple CASE conditions in SQL SELECT customer_id, first_name, CASE WHEN country = 'USA' THEN 'United States of America' WHEN country = 'UK' THEN 'United Kingdom' END AS country_name FROM Customers; Here, the result s...
But what if you also wanted to count a couple other conditions? Using the WHERE clause only allows you to count one condition. Here's an example of counting multiple conditions in one query: SELECT CASE WHEN year = 'FR' THEN 'FR' WHEN year = 'SO' THEN 'SO' WHEN year = 'JR' THEN...
WITHData(value)AS(SELECT0UNIONALLSELECT1)SELECTCASEWHENMIN(value) <=0THEN0WHENMAX(1/value) >=100THEN1ENDFROMData; GO You should only depend on order of evaluation of the WHEN conditions for scalar expressions (including non-correlated subqueries that return scalars), not for aggregate expressio...
selectid,biz_content,pin FROM follow_fans_1wherebiz_content =#{bizContent} order by id desc limit 10, 10; 方案优点:实现简单,支持跳页查询。 方案缺点:数据量变大时,随着查询页码的深入,查询性能越来越差。 【 标签记录法 】 Limit深分页问题的本质原因就是:偏移量(offset)越大,mysql就会扫描越多的行...
在case表达式sql中检查多个条件你可以使用string_split为了达到这个目的。
between network interfaces,security groups,and virtual machines.Considering the complexity,the verbose query might be the best approachformaintainability and debugging purposes.Compact queries can be harder to debug and understand,especially when dealingwithnestedJSONBstructures and multipleJOINconditions. ...
When condition1 is TRUE, one set of statements will be executed, and when both conditions are FALSE, a different set of statements will be executed.Answer: B) If the condition is TRUE, then you want statements to be executedExplanation:If the condition is TRUE, then you want statements to...
CASE STATEMENT RETURNING MULTIPLE ROWS Case Statement returning multiple values CASE statement returns "Invalid Column Name" Error Case statement that increments variable with 1 is giving error Case Statement using Divide CASE Statement when not null , else if Help Case statement with Between in Where...
multiple conditional expressions in a single CASE expression. When you have multiple conditional expressions in your CASE clause, the first expression that evaluates to TRUE will be the code block that is evaluated by your TSQL statement. To better understand how the CASE expression works I will ...