One of the first practical implementations of networked DBMSs was Integrated Data Store (IDS), created by General Electric. The architecture of this DBMS formed the basis of the Database Task Group, whose conference on Data Systems Languages (CODASYL) in the late 60s commissioned the development of standards for database management systems.
This document is still used by developers of network DBMSs, the number of which, in truth is negligible. Network DBMSs are very difficult to implement, not too transparent not only for designers and programmers, but also for users. One of the main advantages of the relational model is its uniformity. All data is stored in flat tables and only in them. Currently, almost all production DBMSs of various scales uses the relational model. For the 먹튀디비 this is important now. In case of the proper database maintenance this happens to be a very important aspect now. This is the reason that you can have the best deal here now.
The Development Option
In 1981, Codd was awarded the Turing Prize, the most prestigious international award in the field of information technology, “for its continued fundamental contribution to the theory and practice of developing a DBMS”. Each winner of this award gives a special lecture at the presentation ceremony. In his lecture, Codd, in particular, said:
- The main motivation for the research, which resulted in the creation of a relational data model, was the desire to clearly distinguish between the logical and physical aspects of database management, taking into account the problems of creating a database, searching and processing information. We called it the desire for information independence.
- Our second desire was to create a structurally simple model so that users and programmers of any skill could equally understand the information contained in it and communicate with each other using a database. We called it the desire for sociability.
Thirdly, we wanted to use high-level language concepts (but not specific syntax) so that users had the opportunity to describe operations immediately on large chunks of information. This is the basis for the methods of processing information oriented to the sets (i.e., the ability to set the operation on several sets of records simultaneously with one operator). We called it the desire to handle sets.
In developing the relational model descriptions of data and their processing
Currently, one SQL language is actually used for this purpose (Structured Query Language). Using a common language has become one of the decisive competitive advantages of relational DBMSs. In fact, developers of various systems can compete in performance, reliability, ease of maintenance, etc., but users feel confident knowing that well-organized and described data can be quickly exported / imported from system to system.