--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_NameAnd b.Status= 'ENABLED' And b.Constraint_Type= 'R' And
b.r_Constraint_Name<> '部门表_PK' And b.r_Constraint_Name= c.Constraint_NameAnd
c.Table_NameNot 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_NameIn (Select 表名 From zlBakTablesUnion 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_NameAnd a.Status= 'VALID' And i.Table_Name= b.Table_NameAnd
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) = 1And Cons.Child_Table= Inds.Table_Name)
Order By Key_Rows Desc, s.Num_Rows Desc Nulls Last
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