利用syscat.references递归查出他的所有关联表

找出所有的父表： 
Java代码  
With reftables(reftabname,PRIORITY) as(   
Select reftabname,1 from syscat.references as refx where refx.tabname=PROJECT  
union all   
Select ref2.reftabname,reftables.PRIORITY+1 from reftables,syscat.references ref2 where reftables.reftabname=ref2.tabname   
)   
Select * from reftables ORDER BY PRIORITY DESC;  
With reftables(reftabname,PRIORITY) as(
Select reftabname,1 from syscat.references as refx where refx.tabname=PROJECT
union all
Select ref2.reftabname,reftables.PRIORITY+1 from reftables,syscat.references ref2 where reftables.reftabname=ref2.tabname
)
Select * from reftables ORDER BY PRIORITY DESC;

找出所有的子表 
Java代码  
With reftables(tabname,PRIORITY) as(   
Select tabname,1 from syscat.references as refx where refx.reftabname=PROJECT  
union all   
Select ref2.tabname,reftables.PRIORITY+1 from reftables,syscat.references ref2 where reftables.tabname=ref2.reftabname   
)   
Select distinct * from reftables ORDER BY PRIORITY DESC;  

补充：软件开发 , Java ,

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