服务器 频道

找出哪些table没有primary key

  【IT168 服务器学院】可以依照SCHEMA展出没有设PK的TABLE
  
  def schema_name = &&owner_name
  
  col sname format a30 heading ''Schema''
  col tname format a30 heading ''Table Name''
  
  select
  dt.owner sname,
  dt.table_name tname
  from
  sys.dba_tables dt
  where
  dt.owner like upper(''&schema_name'') escape ''\''
  and
  not exists
  (select ''x'' from sys.dba_constraints dc
  where dc.owner = dt.owner
  and dc.table_name = dt.table_name
  and dc.constraint_type = ''P'')
  order by 1,2
  /
  
  执行结果
  
  Schema Table Name
  ------------------------------ ------------------------------
  APPLE TEST_TB
  APPLE KKK
  APPLE P1
  APPLE PLAN_TABLE
  APPLE QQ
  APPLE T1
  APPLE T2
  APPLE T3
0
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