select *
from user_col_comments
where Table_Name='用戶表'
order by column_name
/* 獲取表:*/
select table_name from user_tables; //當(dāng)前用戶的表
select table_name from all_tables; //所有用戶的表
select table_name from dba_tables; //包括系統(tǒng)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
*/
/* 獲取表字段:*/
select * from user_tab_columns where Table_Name='用戶表';
select * from all_tab_columns where Table_Name='用戶表';
select * from dba_tab_columns where Table_Name='用戶表';
/* 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
*/
/* 獲取表注釋:*/
select * from user_tab_comments
/*
user_tab_comments:table_name,table_type,comments
相應(yīng)的還有dba_tab_comments,all_tab_comments,這兩個(gè)比user_tab_comments多了ower列。
*/
/* 獲取字段注釋:*/
select * from user_col_comments
/*
user_col_comments:table_name,column_name,comments
相應(yīng)的還有dba_col_comments,all_col_comments,這兩個(gè)比user_col_comments多了ower列。
*/