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The files have names that begin with the table name and have an extension to indicate the file type. MySQL uses a .frm file to store the definition of the table, but this file is not a part of the MyISAM engine; instead it is a part of the server. The data file has a .MYD (MYData) extension. The index file has a .MYI (MYIndex) extension.
To find the Name for ID 13, an index on (ID) is useful, but the record must still be read to get the Name. However, an index on (ID, Name) contains the required data field and eliminates the need to look up the record. Covering indexes are each for a specific table. Queries which JOIN/ access across multiple tables, may potentially consider ...
MySQL (/ ˌ m aɪ ˌ ɛ s ˌ k juː ˈ ɛ l /) [6] is an open-source relational database management system (RDBMS). [6] [7] Its name is a combination of "My", the name of co-founder Michael Widenius's daughter My, [1] and "SQL", the acronym for Structured Query Language.
FamilySearch Indexing is a volunteer project established and run by FamilySearch, a genealogy organization of the Church of Jesus Christ of Latter-day Saints.The project aims to create searchable digital indexes of scanned images of historical documents that are relevant to genealogy.
NSS—Name Service Switch; NT—New Technology; NTFS—NT Filesystem; NTLM—NT Lan Manager; NTP—Network Time Protocol; NUMA—Non-Uniform Memory Access; NURBS—Non-Uniform Rational B-Spline; NVR—Network Video Recorder; NVRAM—Non-Volatile Random-Access Memory
The Index to Organism Names (ION) is an extensive compendium of scientific names of taxa at all ranks in the field of zoology, compiled from the Zoological Record (later supplemented with content from Sherborn's Index Animalium) by its operators as a publicly accessible internet resource.
The International Plant Names Index (IPNI) describes itself as "a database of the names and associated basic bibliographical details of seed plants, ferns and lycophytes." Coverage of plant names is best at the rank of species and genus. [1] It includes basic bibliographical details associated with the names.
Like Access, it can be used to create small embedded databases that are stored with the document files (using Java-based HSQLDB and C++ based Firebird as its storage engine), and for more demanding tasks it can also be used as a front-end for various database management systems, including Access Database Engine (ACE/JET), ODBC/JDBC data sources ...