--以ZLHIS用户执行
Select Child_Table, Foreign_Key,
Cname1 || Nvl2(Cname2, ',' || Cname2, Null) || Nvl2(Cname3, ',' || Cname3, Null) ||
Nvl2(Cname4, ',' || Cname4, Null) || Nvl2(Cname5, ',' || Cname5, Null) || Nvl2(Cname6, ',' || Cname6, Null) ||
Nvl2(Cname7, ',' || Cname7, Null) || Nvl2(Cname8, ',' || Cname8, Null) Columns, Main_Table, Primary_Key,
Decode(p.Table_Name, Null, 0, 1) Key_Rows
From (Select Col_Cnt, Main_Table, Primary_Key, Child_Table, Foreign_Key,
Cname1 || Nvl2(Cname2, ',' || Cname2, Null) || Nvl2(Cname3, ',' || Cname3, Null) ||
Nvl2(Cname4, ',' || Cname4, Null) || Nvl2(Cname5, ',' || Cname5, Null) || Nvl2(Cname6, ',' || Cname6, Null) ||
Nvl2(Cname7, ',' || Cname7, Null) || Nvl2(Cname8, ',' || Cname8, Null) As Columns, Cname1, Cname2, Cname3,
Cname4, Cname5, Cname6, Cname7, Cname8
From (Select c.Table_Name As Main_Table, b.r_Constraint_Name As Primary_Key, b.Table_Name As Child_Table,
b.Constraint_Name As Foreign_Key, Max(Decode(Position, 1, Column_Name, Null)) Cname1,
Max(Decode(Position, 2, Column_Name, Null)) Cname2, Max(Decode(Position, 3, Column_Name, Null)) Cname3,
Max(Decode(Position, 4, Column_Name, Null)) Cname4, Max(Decode(Position, 5, Column_Name, Null)) Cname5,
Max(Decode(Position, 6, Column_Name, Null)) Cname6, Max(Decode(Position, 7, Column_Name, Null)) Cname7,
Max(Decode(Position, 8, Column_Name, Null)) Cname8, Count(*) Col_Cnt
From User_Cons_Columns A, User_Constraints B, User_Constraints C
Where a.Constraint_Name = b.Constraint_Name And b.Status = 'ENABLED' And b.Constraint_Type = 'R' And
b.r_Constraint_Name <> '部门表_PK' And b.r_Constraint_Name = c.Constraint_Name And
c.Table_Name Not In (Select 表名 From zlBaseCode)
Group By c.Table_Name, b.Table_Name, b.Constraint_Name, b.r_Constraint_Name)) Cons, User_Tab_Statistics S,
(Select Table_Name
From User_Tables
Where Table_Name In (Select 表名 From zlBakTables Union All Select 表名 From Zlbigtables) Or Table_Name Like '%病人%') P
Where Cons.Child_Table = s.Table_Name(+) And Cons.Main_Table = p.Table_Name(+) And Not Exists
(Select 1
From (Select Table_Name,
Cname1 || Nvl2(Cname2, ',' || Cname2, Null) || Nvl2(Cname3, ',' || Cname3, Null) ||
Nvl2(Cname4, ',' || Cname4, Null) || Nvl2(Cname5, ',' || Cname5, Null) ||
Nvl2(Cname6, ',' || Cname6, Null) || Nvl2(Cname7, ',' || Cname7, Null) ||
Nvl2(Cname8, ',' || Cname8, Null) As Columns
From (Select i.Table_Name, Max(Decode(Column_Position, 1, Column_Name, Null)) Cname1,
Max(Decode(Column_Position, 2, Column_Name, Null)) Cname2,
Max(Decode(Column_Position, 3, Column_Name, Null)) Cname3,
Max(Decode(Column_Position, 4, Column_Name, Null)) Cname4,
Max(Decode(Column_Position, 5, Column_Name, Null)) Cname5,
Max(Decode(Column_Position, 6, Column_Name, Null)) Cname6,
Max(Decode(Column_Position, 7, Column_Name, Null)) Cname7,
Max(Decode(Column_Position, 8, Column_Name, Null)) Cname8
From User_Ind_Columns I, User_Indexes A, User_Constraints B
Where a.Index_Name = i.Index_Name And a.Status = 'VALID' And i.Table_Name = b.Table_Name And
b.Constraint_Type = 'R' And b.r_Constraint_Name <> '部门表_PK'
Group By i.Table_Name, i.Index_Name)) Inds
Where Instr(',' || Inds.Columns, ',' || Cons.Columns) = 1 And Cons.Child_Table = Inds.Table_Name)
Order By Key_Rows Desc, s.Num_Rows Desc Nulls Last

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