mysql关键字--设计表时要避开，否则回报语法错误

https://dev.mysql.com/doc/refman/5.7/en/keywords.html#keywords-in-current-series

Keywords and Reserved Words

A

• ACCESSIBLE (R)

• ACCOUNT; added in 5.7.6 (nonreserved)

• ACTION

• ADD (R)

• AFTER

• AGAINST

• AGGREGATE

• ALGORITHM

• ALL (R)

• ALTER (R)

• ALWAYS; added in 5.7.6 (nonreserved)

• ANALYSE

• ANALYZE (R)

• AND (R)

• ANY

• AS (R)

• ASC (R)

• ASCII

• ASENSITIVE (R)

• 。。。。。。。。。。