Short for, Structured Query Language, it is used for managing a relational database. Using SQL one can creating tables, query and inserting data, and much more.

Here are some samples to help identify it in images:

select Id, TagType, Description from Tag where Name = 'sql';

insert into Image (Id, Hash, Width, Height, Frame_Count, File_Length) values(800328, '5cc46f91d54e309a6954a413bc9ddc94', 700, 700, 1, 321583);

For more information please see: http://en.wikipedia.org/wiki/SQL

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