SQL的GRANT和REVOKE语句可以用来实现（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30102' and id < 2437045 and id<>'2437045' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30102' and id > 2437045 and id<>'2437045' order by id asc limit 5