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1 cze 2021 · Fetch all names that start with any letter followed by 'atherine': SELECT name FROM names WHERE name LIKE '_atherine'; Fetch all names that end with 'a': SELECT name FROM names WHERE name LIKE '%a'; USEFUL FUNCTIONS Get the count of characters in a string: SELECT. LENGTH('LearnSQL.com');-- result: 12 Convert all letters to lowercase: SELECT ...
1 cze 2021 · Fetch all names that start with any letter followed by 'atherine': SELECT name FROM names WHERE name LIKE '_atherine'; Fetch all names that end with 'a': SELECT name FROM n ames WHERE Sname LIKE '%a'; USEFUL FUNCTIONS Get the count of characters in a string: SELECT. LENGTH('LearnSQL.com');-- result: 12 Convert all letters to lowercase: SELECT ...
15 wrz 2008 · If you need to write just one condition, then iif() is sufficient, however if you want to write multiple iif() conditions within one statement then you will have to use `case' statement as demonstrated in above responses. Here is an example for your reference. `select. s.name,s.mrn,
Whether you need a quick reference for major SQL concepts before an interview, or you want to level-up your existing SQL skills, our SQL cheat sheet is the ideal starting point. Plus, we’ve broken it down into 11 essential SQL topics to help you get the most from this SQL query cheat sheet.
Exercise: Insert the missing statement to get all the columns from the Customers table. * FROM Customers; Submit Answer » Start the Exercise. SQL Examples. Learn by examples! This tutorial supplements all explanations with clarifying examples. See All SQL Examples. SQL Quiz Test. Test your SQL skills at W3Schools! Start SQL Quiz! My Learning.
12 wrz 2022 · Learn how to build conditional logic when writing SQL code using IF, BEGIN, END, ELSE, and ELSEIF logic.
LIKE OPERATOR – PATTERN MATCHING. Use the _ character to replace any single character. Use the % character to replace any number of characters (including 0 characters). Fetch all names that start with any letter followed by 'atherine':
