公开(公告)号：JPH08339319A

公开(公告)日：1996-12-24

申请号：JP934896

申请日：1996-01-23

Applicant: TANDEM COMPUTERS INC

Inventor： RUISU EMU MADORITSUDO ,  RICHIYAADO EI MAIAA ,  FURANKO PUTSUTSUORU ,  SUNIRU SHIYAAMA ,  TOOMASU JIEI OOSHIEI ,  JIEEMUZU EICHI TOROISHI ,  HANSUYORUGU TSUERAA ,  GEARII EMU GIRUBAATO

IPC: G06F12/00 ,  G06F17/30

Abstract: PROBLEM TO BE SOLVED: To distinguish two data base schema changes which necessitates/ unnecessitates the recompile of an inquiring statement accessing a changed data base table. SOLUTION: In a computer system 100 storing and supplying a user access to data of a stored object, a memory exists for storing the object and each object is a first execution plan corresponding to a memory with a related schema expressing information on the internal structure of the object, a first source code statement and a source code statement for accessing data designated by the stored object. Then, the first execution plan including schema information expressing the subset of the schema with respect to an object designated when the first source code statement is finally compiled and an object managing system for executing a user's command are provided.