Discussion on data access interface system and data object Model--[Appendix]

Object | access | data | System data access interface system and data object Model discussion (Beat 1.0)


             


81_RedStar81@163.com


TomHornson.student@www.sina.com.cn








Personal Anthology:


http://www.csdn.net/develop/author/netauthor/RedStar81/











This note is my query data collated and formed.


because of many problems, the province is very vague.


So, there may be some reference book content, please pay attention to yourself.








American Database Product Chronicle (reference)








manufacturer





Time





Time Description





a-t





82





Dbaseⅱ Listing (8-bit)





85





Dbaseⅲ listed (8-bit, 16-bit)





88.10





Dbaseⅳ listed (1. Support sql< at this time the system consists of two parts: SQL and DBase commands, functions > 2. Has the compilation function 3. Provide the menu system 4. Provide control center)





Borland





x





has launched dbaseⅳ2.0, DBase 5.0 for Windows, Paradox





Fox





86





FoxBase listed





87.7





foxbase+ Listing (performance far superior to Dbaseⅲ)





88.7





foxbase+ 2.10 (1) pseudo-compiling capability: The resulting code is not executable 2. Provides interfaces with other languages





89





FoxPro 1.0 (provides window interface)





91





FoxPro 2.0 (1. Add SQL Interface 2. Implement true compilation: Encapsulate code with the running Environment 3. Provide API interface)





Microsoft





93.1





Microsoft launches FoxPro2.5 for Dos (interface features like dBASE control Center for products) and FoxPro2.5 for Windows





94





FoxPro 2.6 (more wizards are added to the FoxPro 2.5 to simplify user operations)





95





Visul FoxPro





Sybase





84.11





1. Database products for the first C/S structure 2. SQL as the standard interactive language





87





Sybase SQL Server





Xx





Sybase System 10





Xx





Sybase System 11





Oracle





77





First DBMS listed





79





takes the lead in using SQL as standard Interactive language





83





Third Edition: original system with C rewrite





84





1. Fourth edition: Allows large, medium, small-scale run-time sharing of data 2. Oracle PC version is implemented.





86





Fifth Edition: An open distributed RDBMS architecture (SQL *star) is created by adding interfaces to various high-level languages, decision support Tools, and network communication software





88





Sixth edition: with online transaction processing





IBM





1982





Sql/ds and DB2 implement the SQL interactive interface





Other Information





SQL Related





1.SEQUEL is the predecessor of standard relational database language SQL, presented in 1974 by Boyce and Chamberlin 2.1974-1977, the first implementation of the IBM San Jase Laboratory in the United States of America was developed sequel 2 of relational database products system R 3.1976.10.16 ANSI approves SQL as the U.S. National standard. ISO will also be accepted as the draft ISO standard





c/s related





1.1984,sybase launched the first C/s structure of the product 2.90 years C/s structure is widely popular, Oracle, Informix, Ingres has launched a C/s structure of the distributed database products and corresponding client Tools 3. Naturally, the earlier distributed architecture was designed to implement multiple query and directory services, and the C/s structure was designed to hand over some of the functions of the DBMS to the client and to make the responsibility detail 3. The prerequisite
of computer appearing as C/s structure solution







 





 











------------------------------------------------Statement---------------------------------------------------





This document is based on the development history of data access interface and data object model, and

The difference between
is the main line, describing its trajectory. I want to help with data system developers.


in this article, the remote information (to me) is a reference book, there are mistakes, please point out


81_redstar@163.com





This document is marked with a version that is intended to be read by the


find the wrong or wrong or need to add to the place, contact me, modify it to perfect.


makes it a lasting online reference.





Beat 1.0 2003.2.25


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