Oracle中查看所有表和字段以及表注释.字段注释
获取表:
按 Ctrl+C 复制代码
按 Ctrl+C 复制代码
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。