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Asked: 2026-05-30T11:20:53+00:00

Can I use symbols for the table names in a database? For instance, $tablename

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Can I use symbols for the table names in a database? For instance,

$tablename
%tablename

I tested with a select query and they seems OK but I haven’t seen anyone done that before so just want to know if it is safe to do.

SELECT * FROM $tablename // returns result.
SELECT * FROM %tablename // returns result.
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  1. Editorial Team

    See documentation on valid identifiers.. You can use these, however you will need to quote any table or column name containing % (at least according to the documentation). $ is valid in unquoted identifiers, but % is not.

    Permitted characters in unquoted identifiers:

    • ASCII: [0-9,a-z,A-Z$_] (basic Latin letters, digits 0-9, dollar, underscore)
    • Extended: U+0080 .. U+FFFF

    Permitted characters in quoted identifiers include the full Unicode Basic Multilingual Plane (BMP), except U+0000:

    • ASCII: U+0001 .. U+007F
    • Extended: U+0080 .. U+FFFF

    So, it is generally safe to do so, but you’ll need to be consistent with quoting identifiers like

    SELECT * FROM `%tablename`
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