text: //// CHANGE name=chng1
  CREATE TABLE TABLE_A (
  	A_ID    INT	NOT NULL,
  	B_ID    INT	NOT NULL,
  	STRING_FIELD	VARCHAR(30)	NULL,
  	TIMESTAMP_FIELD	TIMESTAMP	NULL,
      PRIMARY KEY (A_ID)
  ) WITHOUT OIDS
  GO
  
  //// CHANGE name=emptychange
  //// CHANGE name=emptychange2
  
  
  //// CHANGE FK name=chng2
  ALTER TABLE TABLE_A ADD FOREIGN KEY (B_ID) REFERENCES TABLE_B(B_ID)
  GO
  //// CHANGE name=chng3
  ALTER TABLE TABLE_A ADD COLUMN C_ID INT NULL
  GO
  //// CHANGE name=extra1
  ALTER TABLE TABLE_A ADD COLUMN EXTRA1 INT NULL
  GO
  //// CHANGE name=extra2
  ALTER TABLE TABLE_A ADD COLUMN EXTRA2 INT NULL
  GO
  //// CHANGE name=extra3
  ALTER TABLE TABLE_A ADD COLUMN EXTRA3 INT NULL
  GO
  