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Patent Searching and Data


Title:
RELATIONAL DATA BASE
Document Type and Number:
Japanese Patent JPS6472246
Kind Code:
A
Abstract:

PURPOSE: To shorten the developing period of a job processing program which treats the variable length data by setting both a fixed length field and a variable length field.

CONSTITUTION: A block pointer 15 is calculated after the field data are read from the designated table and record ID via a table reference part 13, a record management block 24 and a block reference block list 14. Then a data block 16 is read and the position of an object field is calculated from the block 16 based on a field number and the field length. When the field position has the fixed length, the field data is transferred to a user area. While a reference entry list 21 is obtained with the position of a variable length field 20. Then the leading position of a variable length field data block 22 is calculated and the variable length field data 23 is read by an amount equal to a designated size to be sent to the user area. Thus it is possible to shorten the developing period of a job processing program which treats the variable length data.


Inventors:
MORIMOTO MASAO
TSUBOI MASASHI
FUJITA TOSHIO
Application Number:
JP22856587A
Publication Date:
March 17, 1989
Filing Date:
September 14, 1987
Export Citation:
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Assignee:
OKI ELECTRIC IND CO LTD
International Classes:
G06F12/00; G06F3/06; (IPC1-7): G06F3/06; G06F12/00