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DESCRIBE table_name;
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create_definition:
col_name TYPE [NOT NULL | NULL] [DEFAULT default_value] [AUTO_INCREMENT]
    [PRIMARY KEY] [reference_definition]
or  PRIMARY KEY (index_col_name,...)
or  KEY [index_name] (index_col_name,...)
or  INDEX [index_name] (index_col_name,...)
or  UNIQUE [INDEX] [index_name] (index_col_name,...)
or FULLTEXT [INDEX] [index_name] (index_col_name,...)
or    [CONSTRAINT symbol] FOREIGN KEY [index_name] (index_col_name,...)
    [reference_definition]
or  CHECK (expression)
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