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SQL is a standard language for storing, manipulating and retrieving data in databases. Our SQL tutorial will teach you how to use SQL in: MySQL, SQL Server, MS Access, Oracle, Sybase, Informix, Postgres, and other database systems. Start learning SQL now »
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5 wrz 2023 · SQL Functions. At the end of the day, SQL is a programming language, and it's one that supports functions. We can use functions and aliases to calculate new columns in a query. This is similar to how you might use formulas in Excel. IIF function. In SQLite, the IIF function works like a ternary. For example:
