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For Dummies is an extensive series of instructional reference books which are intended to present non-intimidating guides for readers new to the various topics covered.
Database theory. Database theory encapsulates a broad range of topics related to the study and research of the theoretical realm of databases and database management systems. Theoretical aspects of data management include, among other areas, the foundations of query languages, computational complexity and expressive power of queries, finite ...
Dan Gookin is a computer book author who wrote the first ...For Dummies books including DOS for Dummies and PCs for Dummies, establishing the design and voice of the long-running series that followed, incorporating humor and jokes into a format for beginners on any subject. He also is a member of the Coeur d'Alene City Council.
Structured Query Language (SQL) (pronounced S-Q-L; historically "sequel") [4][5] is a domain-specific language used to manage data, especially in a relational database management system (RDBMS). It is particularly useful in handling structured data, i.e., data incorporating relations among entities and variables.
Alan Simpson (born 1953) is a software developer, technical writer and consultant. He has published over 100 titles, mostly focusing on database management and web technology. Many of his early titles are books about dBASE, such as Understanding dBASE III Plus (1986) [ 1] and dBASE III Plus Programmer's Reference Guide (1988)[ 2].
The Complete Idiot's Guides (" The Idiot's Guide to ..." series) is a product line of how-to and other reference books published by Dorling Kindersley (DK). The books in this series provide a basic understanding of a complex and popular topics. The term "idiot" is used as hyperbole, to reassure readers that the guides will be basic and comprehensible, even if the topics seem intimidating. The ...
A database index is a data structure that improves the speed of data retrieval operations on a database table at the cost of additional writes and storage space to maintain the index data structure.
Query by Example (QBE) is a database query language for relational databases. It was devised by Moshé M. Zloof at IBM Research during the mid-1970s, in parallel to the development of SQL. [1] It is the first graphical query language, using visual tables where the user would enter commands, example elements and conditions. Many graphical front-ends for databases use the ideas from QBE today ...
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