MOLAP

MOLAP

MOLAP is the term used to refer to multidimensional online analytical processing. It extends traditional OLAP processing through indexing directly into a multidimensional database. This allows users to view various data aggregates in different manners without the added overhead required to conduct similar operations with a relational database. Advantages and Disadvantages of MOLAP Some of the advantages of using MOLAP include the ability to perform complex calculations in a fast manner. This i

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Database Normalization

Database Normalization

Database normalization is the process of organizing data into distinct and unique sets. The purposes of normalization are to: Reduce or eliminate storage of duplicate data Organize data into an efficient and logical structure The process of normalization involves determining what data should be stored in each database table. By tradition, the process of normalization involves working through well-defined steps, called normal forms. In First Normal Form (1NF) you eliminate dup

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Free Database Software

Free Database Software

MySQL The MySQL database server is the world's most popular open source database server. Over six million installations use the MySQL database server to power high volume websites and other mission critical business systems including industry leaders like NASA, Yahoo, The Associated Press (AP), Suzuki, and Sabre Holdings. MySQL is an attractive alternative to high cost, more complex database technology. Its award winning reliability, scalability, and speed make it the right choice for a wide

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Flat File

Flat File

A computer, in its most simplified definition, is nothing more than a device that stores, processes, communicates, and manipulates data. Data is at the heart of every computer program, every web site, and even every video game. The computer has revolutionized modern life by enabling a level of speed and accuracy to handling information that has never before been possible. Computers accomplish this quite simply by following a set of instructions called code. A flat file is a static document, sp

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DSN (Data Source Name)

DSN (Data Source Name)

A DSN (Data Source Name) is an identifier that is used to store information relating to a database connection. DSNs can store a database’s name and server location, the directory that is used to store offline content, the database driver, and the user’s ID and password. DSNs can be used for a wide variety of database applications, such as SQL databases and FTP connections.   How DSN Works A DSN is simply a file that contains all information regarding a particular database. DSNs

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ODBC (Open Database Connectivity)

ODBC (Open Database Connectivity)

ODBC (Open Data Base Connectivity) is an interface to access databases via SQL queries. ODBC can be used as an access tool to various databases such as MS-Access, dBase, DB2, Excel, and Text. Through these Call Level Interface (CLI) specifications of the SQL Access Group, the OBDC allows a neutral way of accessing the data stored in personal computers and various databases. It was first created by Microsoft and Simba Technologies. ODBC 1.0 was initially released in September 1992, and eventually

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SQL (Structured Query Language)

SQL (Structured Query Language)

SQL (Structured Query Language) is the most common standardized database language used to create, retrieve, access, modify, controland manage relational databases. SQL is a querying language exclusively designed for controlling data and managing databases effectively. SQL was originally developed by IBM (International Business Machines Corporation) in the 1970's for their DB2 RDBMS. The team of developers included Andrew Richardson, Donald C. Messerly and Raymond F. Boyce. This first versi

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Data Warehouse

Data Warehouse

A data warehouse is a place where data is stored for archival, analysis, and security purposes. Usually a data warehouse is either a single computer or many computers (servers) tied together to create one giant computer system. Data consists of raw data or formatted data. It can be on various types of topics including the organization's sales, salaries, operational data, summaries of data including reports, copies of data, human resource data, inventory data, external data to provide simulati

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Data Mart

Data Mart

Most people are familiar with terms like data warehousing, data mining, and data cleansing, but fewer people are familiar with data mart. A data mart is a subsection of a data warehouse that deals with specific information. Much like the chapters of a book, a data mart contains related information that deals with the same subject, but may also be divided into its own categories. In this article, we will be exploring data marts and data mart software that allow you to extract information from a d

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Java Databases

Java Databases

hsqldb HSQLDB is the leading SQL relational database engine written in Java. HSQLDB has a JDBC driver and supports a rich subset of ANSI-92 SQL (BNF tree format) plus SQL 99 and 2003 enhancements. HSQLDB offers a small (less than 100k in one version), fast database engine which offers both in-memory and disk-based tables. Embedded and server modes are available. Additionally, it includes tools such as a minimal web server, in-memory query and management tools (can be run as applets) and a numbe

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