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DESCRIBE
{DESCRIBE | DESC} tbl_name [col_name | wild]Supplies information about the columns, a specific column (col_name),
or any columns that match a pattern containing wild cards ‘%’
and ‘_’ (wild),
that make up the specified table. The information returned includes the column
name, its type, whether it accepts NULL as a value, whether
the column has an index, the default value for the column, and any extra features
it has (e.g. AUTO_INCREMENT).
