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Returns true if any of the subquery values meet the condition. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. Kotlin is used to develop Android apps, server side apps, and much more. Online view all table DB. If supported, run the getCurrentPosition () method. CSS Outline Style. Start learning SQL now ». The following SQL creates an index named "idx_lastname" on the "LastName" column in the "Persons" table: If you. SQL is a standard language for storing, manipulating and retrieving data in databases. There are two wildcards often used in conjunction with the LIKE operator: The percent sign % represents zero, one, or multiple characters. Some of The Most Important SQL Commands. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. Tutorial. W3Schools has created an SQL database in your browser. 1. Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Go to SQL Where Tutorial. 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