datatrieve การใช้

• DATATRIEVE is used at many OpenVMS installations.
• "' DATATRIEVE "'is a database query and report writer tool from Hewlett-Packard.
• DATATRIEVE's command structure is nearly plain English, and it is an early example of a Fourth Generation Language ( 4GL ).
• DATATRIEVE was developed in the late 1970s and early 1980s by a team of software engineers at DEC's Central Commercial Engineering facilities in Merrimack and Nashua, New Hampshire, under database architect Jim Starkey.
• It was originally created by Digital Equipment Corporation ( DEC ) in 1984 as part of the VMS Information Architecture, intended to be used for data storage and retrieval by high-level languages and / or other DEC products such as DATATRIEVE, RALLY, and TEAMDATA . The original name was Rdb / VMS.
• ACMS was developed by Digital Equipment Corporation in the early 1980s as part of an effort to gain market share in commercial applications . ( Digital's initial strength was in scientific computing . ) ACMS was originally released in 1984 as part of the integrated VAX Information Architecture product set along with Rdb ( relational database system ), DBMS ( CODASYL database system ), TDMS ( original forms system ), DECforms ( a newer forms system ), CDD ( Common Data Dictionary ), and Datatrieve ( query and report writer for record-oriented files and databases ).