Download Administering SQL Server 7 by Divya Chaturvedi PDF
By Divya Chaturvedi
Microsoft SQL Server personal the lion's percentage of the marketplace for home windows NT relational databases. Now SQL model 7 is at the way--and this authoritative advisor might be available to unravel difficulties and supply a whole migration course from 6.5 to 7 for database directors and alertness builders. Written by way of authors who've designed and applied a few of the biggest SQL DBMS platforms within the united states, it is the entire consultant to the improve that provides a brand new point of aid for giant databases and enterprise-level purposes.
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In chapter 11, we will learn how tempdb can be used to hold intermediate results. The Model database provides a template for all user databases. Each user database has some tables, which are used by SQL Server to store metadata. These tables are known as system tables. Whenever a new database is created, all the system objects are copied from the model database. Users create remaining tables for that database. The MSdb database is used to store information about scheduled tasks. SQL Server comes with a built-in scheduling service (SQL Server Agent) to run tasks on a scheduled basis.
Data is stored on the disk either on top of the file system or on the raw disk itself. DBMS provides a query language to access data. Thus a "query" is a query language statement that is sent by the user to access data. The query is processed by the system and brings the results back to the user. The most common query language is SQL (Structured Query Language), developed by IBM, and the American National Standard Institute (ANSI) has developed standards for SQL. SQL is the direct way to access data.
2 Per Seat Licensing Mode The per seat licensing mode requires a license for each computer accessing the SQL Server. If this mode of licensing is chosen during installation, the licensing cannot be changed later on. This mode is suitable for installations where all users need to log on to the server at the same time and have simultaneous connections to the server. 3 SQL Server Database Files SQL Server creates the databases over operating system files. Separate files are used for storing data and log information.