Sql Server

Topics: SQL, Database, Relational model Pages: 3 (973 words) Published: October 9, 2011
The purpose of this paper is to provide a comprehensive review of the SQL Server 2005 Express Edition for Beginners tutorial. The SQL Server 2005 Express database tutorial helps users understand what a database is, it explains how to create tables within a database and how users can covert flat databases into relational databases. This tutorial was basically designed to give users the basic knowledge of creating data bases. Databases are nothing more than a collection of files that work together to store data in a structured way. Some databases are made up simple files and others may require that severs manages connections to files within in a database to authenticate users that’s accessing those files. One of the main focuses of databases is how well organizations manage their database and maintains the accuracy of their data. Companies may want to use databases instead of text files because they provides them with more efficient data integrity, they can store more data, they can retrieve data in multiple ways, databases also provides organizations with the ability to protect their data from unauthorized users and protects their data from being corrupt. Relational Database Management Systems makes managing data for companies easier and it takes care of the difficult tasks associate with integrating data into their applications. Relational databases are the most common type of databases that are used today. The eliminate data redundancy which could cause companies to enter inaccurate data into their databases. Before relational databases were created data was managed by mainframe computers and the storage capacity was limited and very expensive to maintain. Relational databases reduces the amount of space on reel-to-real tapes that each database record required and they also reduced the cost of storing data and provided data integrity. Data integrity refers to the accuracy of the data that organizations are storing. With relational databases...
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