摘要:
1.语句授予权限create user abc identified by abc123; grant connect,resource,dba to abc;grant sysdba to abc;insert into t_account_info(mobile_phone,step,identify_code) VALUES('18260087367','1','999');drop table sys.T_ACCOUNT_INFO;update 表名 set ...修改列名语法 :alter table 表明 rename column
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