A. grant; B. revoke; C. createuser; D. dropuser;
A. grantallon*.*tozhm@'localhost'; B. grantallonwkjx.*tozhm@'localhost'; C. grantallonwkjxtozhm@'localhost'; D. flushprivileges;
A. revokeallon*.*fromzhm@'%'; B. revokeselecton*.*fromzhm@'%'; C. revokeselectonxsgl.*fromzhm@'%'; D. revokeselectonxsgl.xsfromzhm@'%'; E. revokeselect(xm,xh,bj)onxsgl.xsfromzhm@'%';
A. revokeallon*.*fromzhm@'localhost'; B. revokeallon*.wkjxfromzhm@'localhost'; C. revokeallonwkjxfromzhm@'localhost'; D. revokeallonwkjx.*fromzhm@'localhost';
A. 服务器权限(全局权限) B. 数据库权限 C. 数据表权限 D. 字段权限
A. mysql B. system C. user D. grant
A. 对 B. 错