获取表字段：
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select * from user_tab_columns where Table_Name='用户表'order by column_name |
获取表注释：
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select * from user_tab_comments where Table_Name='用户表'order by Table_Name |
获取字段注释：
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select * from user_col_comments where Table_Name='用户表'order by column_name/* 获取表：*/select table_name from user_tables; //当前用户的表 select table_name from all_tables; //所有用户的表 select table_name from dba_tables; //包括系统表select table_name from dba_tables where owner='zfxfzb'/* user_tables：table_name,tablespace_name,last_analyzed等dba_tables：ower,table_name,tablespace_name,last_analyzed等all_tables：ower,table_name,tablespace_name,last_analyzed等all_objects：ower,object_name,subobject_name,object_id,created,last_ddl_time,timestamp,status等 *//* 获取表字段：*/select * from user_tab_columns where Table_Name='用户表';select * from all_tab_columns where Table_Name='用户表';select * from dba_tab_columns where Table_Name='用户表';/* user_tab_columns：table_name,column_name,data_type,data_length,data_precision,data_scale,nullable,column_id等all_tab_columns ：ower,table_name,column_name,data_type,data_length,data_precision,data_scale,nullable,column_id等dba_tab_columns：ower,table_name,column_name,data_type,data_length,data_precision,data_scale,nullable,column_id等 *//* 获取表注释：*/select * from user_tab_comments/* user_tab_comments：table_name,table_type,comments相应的还有dba_tab_comments，all_tab_comments，这两个比user_tab_comments多了ower列。 *//* 获取字段注释：*/select * from user_col_comments/*user_col_comments：table_name,column_name,comments相应的还有dba_col_comments，all_col_comments，这两个比user_col_comments多了ower列。 */ |
