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- 获取表字段:
- select *
- from user_tab_columns
- where Table_Name='用户表'
- order by column_name
- 获取表注释:
- select *
- from user_tab_comments
- where Table_Name='用户表'
- order by Table_Name
- 获取字段注释:
- 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。
- */
- 查询表名及表注释
-
SELECT T.TABLE_NAME, P.COMMENTS
FROM ALL_ALL_TABLES T, USER_TAB_COMMENTS P
WHERE T.TABLE_NAME LIKE 'PMS_WSH%'
AND T.TABLE_NAME = P.TABLE_NAME
GROUP BY T.TABLE_NAME, P.COMMENTS