WebOct 24, 2013 · 9. you can use the table: USER_TAB_COLUMNS. Find below query example. select table_name, column_name, data_type, data_length, data_precision, nullable from USER_TAB_COLUMNS where table_name = ''; This is only an example you can also do a select * to get more information. you can also use the table: all_tab_columns. WebMay 18, 2012 · Oracle查询库中所有表一:1all_tables查出来是查得所有用户下的表,当然也包括你登录的用下的表,然后加一个where你要查的那个用户名就可以了。(记得用户名 …
【Oracle】Oracle如何查看所有表和字段以及表注释和字 …
Webuser_tables :可查询当前用户的表; all_tables :可查询所有用户的表; dba_tables:可查询包括系统表在内的 所有表。 二、user_users、all_users、dba_users 关系:(系统权限递增) user_users :描述当前用户; all_users :列出数据库中对当前用户可见的所有用户; WebFeb 3, 2015 · 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 … phimsea.com
Oracle获得表的字段信息_oracle 获取表字段_瑞同学的博 …
WebNov 13, 2015 · When you modify tables, you only have to [re-]grant privileges to the relevant Role(s); Oracle will take care of "cascading" those privileges to the relevant Users. If you need different "levels" of privilege for different groups of Users, create multiple Roles. WebJun 12, 2015 · According to Oracle documentation, dba_segments.bytes is the number of bytes used by the database segment. all_tables.blocks is the number of blocks used inside a table ().Tables don't grow block by block, they grow extent by extent. There is also a third interesting field, dba_segments.blocks, which shows how many database blocks are there … WebCode language: SQL (Structured Query Language) (sql) Note that this view does not show the OWNER column. Also, the user_tables table does not contain the other tables that are accessible by the current user.. Show tables that are accessible by the current user. To show all tables that are currently accessible by the current user, regardless of owners, you query … tsmc hiring freeze