In the T-SQL scripting language, you can use the SQL CASE statement to evaluate a condition and return one or more result expressions. This SQL Tutorial will teach you when and how you can use CASE in T-SQL statements. Solution TheCASE expressionis used to build IF … THEN … ELSE stat...
We can add as manyWHEN ... THENconditions as required in theCASEstatement. For example, -- multiple CASE conditions in SQLSELECTcustomer_id, first_name,CASEWHENcountry ='USA'THEN'United States of America'WHENcountry ='UK'THEN'United Kingdom'ENDAScountry_nameFROMCustomers; Run Code Here, the...
sql case statement
SQL CASE statement examples How to create a Windows Service in the Component Designer New Windows Phone 7 toolkit by Coding4Fun SQL GROUP BY and HAVING clauses SQL Select Where Interview Questions jQuery Selectors reviewed jQuery fadeIn, fadeOut and fadeTo effects Differentiate betwe...
Simple CASE statement example The following example compares single value (c_grade) with many possible values ‘A’, ‘B’,’C’,’D’, and ‘F’: DECLARE c_grade CHAR( 1 ); c_rank VARCHAR2( 20 ); BEGIN c_grade := 'B'; CASE c_grade WHEN 'A' THEN c_rank := 'Excellent' ...
CASE Statement with INSERT We can also insert the data into MySQL tables with the help of the CASE statement. We need to provide the INSERT INTO statement with column names and VALUES for data insertion. Example Here, if the age of the customer is greater than or equal to 25, then the...
SQL: CASE Statement 1.CASE 写法如下: CASE WHEN condition1 THEN result1 WHEN condition2 THEN result2 WHEN conditionN THEN resultN ELSE result END; 解释:1)先匹配第一条,不匹配的话继续第二条,如此循环,
Example The CASE statement can be used in SQL Server (Transact-SQL). You could use the CASE statement in a SQL statement as follows: (includes theexpressionclause) SELECT contact_id, CASE website_id WHEN 1 THEN 'TechOnTheNet.com' WHEN 2 THEN 'CheckYourMath.com' ELSE 'BigActivities.com...
Another benefit of CASE statement is that it enable to filter rows based on specific conditions. For example, we can apply different ROI thresholds based on tha language of the film. It’s known that English films have consistently high ROI. So, the threshold should have a higher value, whi...
Case Statement with Order by clause We can use Case statement with order by clause as well. In SQL, we use Order By clause to sort results in ascending or descending order. Suppose in a further example; we want to sort result in the following method. For Female employee, employee sala...