Ocean Base-Oracle 查询表、表注释、字段、字段注释

Ocean Base-Oracle 查询所有表或视图、注释

SELECT * from user_tab_comments;

Ocean Base-Oracle 查询一个表所有的字段、注释

SELECT u.column_name,c.comments,u.data_type FROM user_tab_columns u
 INNER JOIN user_col_comments c ON u.table_name=c.table_name AND u.column_name=c.column_name 
 WHERE u.table_name='T_USER';

Ocean Base-Oracle 查询所有表或视图的所有字段、注释

SELECT t.table_name,t.table_type,t.comments table_comments,u.column_name,u.data_type,c.comments column_comments FROM user_tab_columns u
 INNER JOIN user_col_comments c ON u.table_name=c.table_name AND u.column_name=c.column_name 
 LEFT JOIN user_tab_comments t ON t.table_name=u.table_name ORDER BY table_name ASC;