Oracle-属性查询

1. 查询表的部分字段属性

select t.*, c.comments
from user_tab_columns t, user_col_comments c
where t.table_name = c.table_name
and t.column_name = c.column_name
and t.table_name = 'EL_LESSON'
and t.COLUMN_NAME in ('LESSONID',
'LESSONNAME',
'LESSONGOAL',
'NOTE',
'TEACHERNAME',
'TEACHERID',
'CLASSIDNAME',
'CLASSID',
'CRTIME',
'STATUS',
'OPERTIME')