/*查询当前用户表信息/

select A.column_name    字段名,

A.data_type      数据类型,

A.data_length    长度,

A.data_precision 整数位,

A.Data_Scale     小数位,

A.nullable       允许空值,

A.Data_default   缺省值,

B.comments       备注

from user_tab_columns A, user_col_comments B

where A.Table_Name = B.Table_Name

and A.Column_Name = B.Column_Name

and A.Table_Name = '表名';

/*按照备注，查询当前用户全数据库表列/

SELECT * FROM USER_COL_COMMENTS COLS WHERE COLS.comments LIKE '%字段备注％';

/*查询当前用户所有视图/

select view_name from user_views;

/*查询当前用户所有表/

select table_name from user_tables;

/*查询当前用户所有触发器/

SELECT UT.trigger_name FROM USER_TRIGGERS UT;

/*查询当前用户所有存储过程/

SELECT UPRO.*

FROM USER_PROCEDURES UPRO

WHERE UPRO.object_type = 'PROCEDURE';

/*查询当前用户所有索引/

select uindex.index_name--, uindex.*

from user_indexes uindex

where uindex.index_type = 'NORMAL'

ORDER BY UINDEX.index_name;