By Divya Chaturvedi
Microsoft SQL Server personal the lion's proportion of the marketplace for home windows NT relational databases. Now SQL model 7 is at the way--and this authoritative consultant should be to be had to resolve difficulties and supply a whole migration course from 6.5 to 7 for database directors and alertness builders. Written via authors who've designed and applied many of the greatest SQL DBMS platforms within the united states, it is the entire advisor to the improve that gives a brand new point of help for giant databases and enterprise-level functions.
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Additional info for Administering SQL Server 7
Instead, resources can be added to client machines, which is more cost-effective. Now the question is how is this processing distributed? The client issues a command to the server, which gets processed at the server and the results are sent back to the client machine. This sounds quite like the mainframe environment, but the difference is the pre- and post-processing of the command. Before the command is sent to the server, some processing takes place at the client machine. The client does data validity checks and creates a very simple request for the server.
To identify all the entities and their relationships is the first step of relational data modeling. " Once the logical design is complete, it requires creating some kind of physical objects (known as "tables") to store this information. We would need a system that would facilitate storing entities with their attributes and relationships. This system should also provide the capability of retrieving the desired information about the entities. 2 Introduction to a Database Management System (DBMS) A database management system is a computer-based system to record interrelated data, and it provides interfaces to access the data.
At this point the data is converted into packets to send across the network. The SQL server client and server communicate using a proprietary data protocol known as Tabular Data Stream (TDS). The TDS packets are encapsulated in the packets built for the protocol stack used by the Net-libraries. Information is transferred to the server through TDS. The TDS packets are received by the server component of Net-library. Net-library passes it to Open Data Services (ODS), which is an interface between server side Net-library and the server application.