Clean Database

how do i clean my database, removing all characters and accounts?

Code:

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DElETE * FROM table_name

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Make sure that you delete data from tables with key constraints.

Code:

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Msg 102, Level 15, State 1, Line 1
Sintaxe incorreta próxima a '*'.

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Translated:

Code:

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Msg 102, Level 15, State 1, Line 1
Incorrect syntax near '*'.

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Code:

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DElETE FROM table_name

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or

Code:

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TRUNCATE TABLE table_name

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Thanks alfredao, it worked.