常用查看表结构命令
博客分类:
oracle
Oracle
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='用户名'
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: