Oracle查詢資料表結構SQL
阿新 • • 發佈:2019-01-11
select
A.column_name ,A.data_type ,A.data_length ,A.data_precision ,
A.Data_Scale ,A.nullable ,A.Data_default ,B.comments ,
C.IndexCount
from
user_tab_columns A,
user_col_comments B,
(select count(*) IndexCount,Column_Name from User_Ind_Columns where Table_Name = 'T_TFM_CROSSDIR_15M_FLOW' group by Column_Name) C
where
A.Table_Name = B.Table_Name
and A.Column_Name = B.Column_Name
and A.Column_Name = C.Column_Name(+)
where
A.Table_Name = B.Table_Name
and A.Column_Name = B.Column_Name
and A.Column_Name = C.Column_Name(+)
and A.Table_Name = ''''TABLE_TEST''''
A.column_name ,A.data_type ,A.data_length ,A.data_precision ,
A.Data_Scale ,A.nullable ,A.Data_default ,B.comments ,
C.IndexCount
from
user_tab_columns A,
user_col_comments B,
(select count(*) IndexCount,Column_Name from User_Ind_Columns where Table_Name = 'T_TFM_CROSSDIR_15M_FLOW' group by Column_Name) C
where
A.Table_Name = B.Table_Name
and A.Column_Name = B.Column_Name
and A.Column_Name = C.Column_Name(+)
and A.Table_Name = 'T_TFM_CROSSDIR_15M_FLOW'
select
A.column_name 欄位名,A.data_type 資料型別,A.data_length 長度,A.data_precision整數位,
A.Data_Scale 小數位,A.nullable 允許空值,A.Data_default 預設值,B.comments 備註,
C.IndexCount 索引次數
from
user_tab_columns A,
user_col_comments B,
(select count(*) IndexCount,Column_Name from User_Ind_Columns where Table_Name = ''''TABLE_TEST'''' group by Column_Name) C
where
A.Table_Name = B.Table_Name
and A.Column_Name = B.Column_Name
and A.Column_Name = C.Column_Name(+)
and A.Table_Name = ''''TABLE_TEST''''