mysql> CREATE TABLE TB1( -> username VARCAHR(20), -> age TINYINT UNSIGNED, -> salary FLOAT(8,2) UNSIGNED -> );ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'VARCAHR(20),age TINYINT UNSIGNED,salary FLOAT(8,2) UNSIGNED)' at line 2怎么解决,实在没辙了
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