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How Can I Work With Sybase Database Tools?

Jul 24, 2008
To use a Sybase server, you are should have Netscape Enterprise Server. You cannot get an access to Sybase from Netscape FastTrack Server. Sybase has both one-line, and multiline drivers on some Unix-platforms. If Sybase has the multiline driver for the concrete Unix-machine, you are obliged to use LiveWire for this multiline driver. On these platforms your web-server will be unpredictable with the one-line driver. This requirement is applied both for local, and for the removed connections. It is not applied to Windows-platforms.

Company Sybase, which is a leading supplier of the software, and company Quest Software, a leading supplier of databases and decisions for data management have presented joint decisions Sybase Database Expert Option and Sybase SQL Expert Option for Sybase Adaptive Server Enterprise (ASE). The decisions, which Sybase Database Expert and Sybase SQL Expert provide, help for an optimum productivity and migration of applied systems on Sybase Adaptive Server Enterprise.

The databases created by SYBASE SQL Anywhere, represent relational databases. These databases consist of a set of objects. Such objects are data tables, keys, indexes, views, etc. Data tables store data, making the basic maintenance of a database. Keys are sets of the attributes forming keys (primary and external), intended for realization of the accelerated search of data and maintenance of reference integrity restrictions. Indexes are special tables intended for fast search of the demanded information in data tables. Views are connected sets of subsets of data tables, given to the users for restriction of their access to data tables. Thus access is absolutely forbidden to one table, and to other tables access is authorized only to some records of these tables.

The language SQL - Watcom SQL is used in SYBASE SQL Anywhere. It corresponds to standards of ANSI SQL/89 Level 2. Besides, the used language SQL supports new opportunities and expansions of ANSI SQL/92 standards.

Triggers are the subroutines, which become more active at approach of certain events, for example, at removal of the record from the table, at records updating, etc. Triggers are powerful means for maintenance of data integrity.

The user types of data are data types created by the user on the base data types. System tables store the whole information about the scheme of database and objects containing in it.

Sybase Mirror Activator is a new program Sybase decision, allowing uniting all the best of the technologies of synchronous mirroring disks and replication transactions of database. Sybase Mirror Activator is used as an addition to already existing system of disk mirroring. Novelty of the decision is that by means of disk mirroring on a reserve platform not the whole database is copied, but only its magazine of transactions that considerably reduces volume of the traffic.

Thus as disk mirroring is carried out in a synchronous mode, 100 percents reliability of data transmission are kept down to the last transaction. One more important advantage of the decision is that Mirror Activator enables reserve disk to be accessible in a mode "for reading", which allows using it, for example, for systems of reports preparation, analytical systems, systems of decision-making, etc.
About the Author
To learn exactly what Sybase Database Tools can do, visit http://www.databasetoolstips.com/ where you'll find everything you need to know about the Sybase Database Tools and much more.
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