Unit 17 - Database Design Concepts - 1192 Words

Unit 17 – Database Design Concepts a) Write and describe a variety uses organisations make of use of databases and the issues they face - P1.1 Integrity of data Data integrity refers to preserving and promising the accuracy and consistency of data over its entire life-cycle. It is also the critical aspect to the design, implementation and usage of any system. This system can store, process or retrieve data. Data integrity can be negotiated in a number of ways that include: †¢ Human errors when data is entered †¢ Software viruses †¢ Hardware malfunctions †¢ Errors occurred from when data is transmitted from one computer to another Security The main reason why data needs security is to protect itself from unwanted actions of unauthorised users†¦show more content†¦Ã¢â‚¬ ¢ Methods of data organisation and access – how the records are going to be saved and the kind of interface they will have. Microsoft SQL A Microsoft SQL server is an engine/product, created by Microsoft, to store and accomplish information. SQL server is also known as a Relation Database Management System (RDBMS) in which a set of programming extensions from Sybase and Microsoft add numerous descriptions to standard SQL. SQL Server 2000 has many features from importing, transforming and exporting data from various sources that include Oracle to text files. Advantages There are many advantages of Microsoft SQL. Below are two main advantages that include â€Å"Enterprise-Grade Management Software† and â€Å"Excellent Data Recovery Support† Enterprise-Grade Management Software Microsoft SQL Server includes specialised, enterprise level database management software, which is easier to use and includes more features. This software, offered by Microsoft, offers close combination with the .NET Framework, which is not the case with challenging products. Excellent Data Recovery Support† As degraded data is continuously a distress when power loss or inappropriate shutdowns occur; Microsoft SQL Server has an endless amount of features that endorse data restoration and recovery. Disadvantages There are many disadvantages of Microsoft SQL. Below are two main disadvantagesShow MoreRelatedSurvey On Keyword Search Of Relational Databases Essay1433 Words   |  6 PagesSEARCH IN RELATIONAL DATABASES Chavan Aparna R1, Bangar S2 1 M. Tech Scholar, Department of Computer Science Engineering, Maharashtra Institute of Technology (MIT), Aurangabad, Maharashtra, India 2 Assistant Professor, Department of Computer Science Engineering, Maharashtra Institute of Technology (MIT), Aurangabad, Maharashtra, India Abstract Keyword search is the most effective information discovery method in documents. The large volume of data is stored in databases. 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