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10 sty 2012 · END can be used directly after an IF and thus the whole block of code in the BEGIN .... END sequence will be either executed or skipped. In your case I suspect the "(more code)" following FROM XXXXX is where your problem is.
Practice SQL querys with an online terminal. Solve SQL query questions using a practice database. Learn and improve your SQL skills.
1 cze 2021 · WHEN 0 THEN 'free' ELSE 'not available' END AS tariff FROM ticket_types; The most popular type is the searched CASE WHEN – it lets. you pass conditions (as you'd write them in the WHERE clause), evaluates them in order, then returns the value for the first condition met. SELECT CASE WHEN score >= 90 THEN 'A' WHEN score > 60 THEN 'B' ELSE 'F ...
24 maj 2021 · The IF…ELSE structure will execute a certain block of code if a specified condition is TRUE, and a different block of code if that condition is FALSE. Here is the basic layout and syntax of the IF…ELSE structure: IF(<condition is true>) BEGIN <execute some code> END ELSE BEGIN <execute some different code> END
Learn SQL by running code in online sql editor terminal. Write and execute queries with included dataset and instructions.
SQL Tryit Editor v1.6. SQL Statement: x. SELECT * FROM Customers; Edit the SQL Statement, and click "Run SQL" to see the result. Run SQL » Result: Click "Run SQL" to execute the SQL statement above. W3Schools has created an SQL database in your browser. The menu to the right displays the database, and will reflect any changes.
