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In addition to basic equality and inequality conditions, SQL allows for more complex conditional logic through constructs such as CASE, COALESCE, and NULLIF. The CASE expression, for example, enables SQL to perform conditional branching within queries, providing a mechanism to return different values based on evaluated conditions. This logic ...
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The SQL SELECT statement returns a result set of rows, from one or more tables. [1] [2] A SELECT statement retrieves zero or more rows from one or more database tables or database views. In most applications, SELECT is the most commonly used data manipulation language (DML) command.
SQL was initially developed at IBM by Donald D. Chamberlin and Raymond F. Boyce after learning about the relational model from Edgar F. Codd [12] in the early 1970s. [13] This version, initially called SEQUEL (Structured English Query Language), was designed to manipulate and retrieve data stored in IBM's original quasirelational database management system, System R, which a group at IBM San ...
Disney has called its next streaming blitz: In a few weeks, Disney+ will add an ESPN “tile” to the streaming service — and the company will include some live sports and other ESPN shows even ...
How to watch "The Showdown" The LIV-PGA Tour match will take place at the Shadow Creek Golf Club in Las Vegas on Tuesday, Dec. 17, with coverage starting at 6:00 p.m. ET. The golf event will be ...
The BBC had exclusive UK F1 rights from 2009 until the end of the 2013 season, [1] having regained the rights from ITV. However, a new broadcast rights deal was announced on 29 July 2011, stating that Sky Sports would cover all races live. [2] The BBC continued to broadcast half of the races live including the British Grand Prix and final race ...
In SQL:1999 a recursive (CTE) query may appear anywhere a query is allowed. It's possible, for example, to name the result using CREATE [ RECURSIVE ] VIEW . [ 15 ] Using a CTE inside an INSERT INTO , one can populate a table with data generated from a recursive query; random data generation is possible using this technique without using any ...