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...g, and even from reading it, depending on lock type and needed operation). Index Locking Protocol guarantees that [[Isolation_(database_systems)#Phantom_rea Index locking protocol states: ...

{{Short description|Reversing strategy for database indexing}} {{About|Reverse Index (DBMS)|Reverse Index (Search Engine)| Index (search engine)}} ...

...des]]. It may be combined with other general [[lossless data compression]] techniques such as [[entropy encoding]] and [[dictionary coder]]s to compress the rema ...is widely used in information retrieval to compress the lexicons used in [[Index (search engine)|search indexes]]; these list all the words found in all the ...

{{short description|Index tree structure in computer science}} ...10|publisher=Cambridge University Press |isbn=9781139489584}}</ref>) is an index tree structure based on the [[R-tree]] used for storing data in many dimens ...

...and this value can be traded on an exchange in much the same way as stock index futures. ...the weights of certain constituents (e.g. precious and base metals) in the index. ...

...1| last1 = Colomb | first1 = Robert M. | doi-access = }}</ref> [[deductive database]], or [[automated theorem prover]]. together with the accompanying algorithms for index maintenance ...

...ant to use this meta tag include advising robots not to index a very large database, web pages that are very transitory, web pages that are under development, <title>Don't index this page</title> ...

{{Short description|Type of database index}} ...veral significant general-purpose [[Mainframe computer|mainframe]]-based [[database management systems]] have used inverted list architectures, including [[ADA ...

...d agencies that operate geological sample repositories. The purpose of the database is to help researchers locate sea floor and lakebed [[core sample|core]]s, ...px|left|Locations in the Index to Marine and Lacustrine Geological Samples Database (2006)]] ...

...a [[tree data structure]], a variant of the [[R tree]], used for [[spatial index|indexing spatial information]]. ...aloutsos|C. Faloutsos]]. [http://doi=10.1.1.45.3272 The R+-Tree: A dynamic index for multi-dimensional objects]. In VLDB, 1987. ...

...performance]] or [[scalability]] in [[relational model|relational]] [[DBMS|database software]] needing to carry out very large numbers of read operations. Deno ...these relations are stored physically as separate disk files, completing a database [[Information retrieval|query]] that draws information from several relatio ...

==Common techniques== Two common techniques for archiving websites are using a [[web crawler]] or soliciting user submi ...

...=Elhardt |first6=Rudolf |last6=Bayer |title=Integrating the UB-tree into a Database System Kernel |conference=26th International Conference on Very Large Data [[Category:Database index techniques]] ...

...Indexes can be created using one or more [[column (database)|columns of a database table]], providing the basis for both rapid random [[lookup]]s and efficien ...Another option sometimes supported is the use of [[partial index]], where index entries are created only for those records that satisfy some conditional ex ...

...primitives. Together with the [[#Micro-Kernel Database Engine|MicroKernel Database Engine]] it uses [[ISAM]], Indexed Sequential Access Method, as its underl Btrieve is essentially a database that uses [[Primary key|keys]] and [[Index (database)|indexes]] to organise [[data]]. However, the file structure itself is larg ...

...a single [[computer]]-stored [[document]] or a collection in a [[full-text database]]. Full-text search is distinguished from searches based on [[metadata]] or ...out of fear that web entrepreneurs will use [[search engine optimization]] techniques to improve their prominence in retrieval lists.</ref> ...

...be its characteristic sound. The segundeo involves using the nails of the index or middle finger in an upward motion to clip one of the strings below the o ...ngedinstrumentdatabase.aornis.com/|title=The Stringed Instrument Database: Index|website=Stringedinstrumentdatabase.aornis.com|access-date=21 April 2021}}</ ...

...algorithm]] to build a full text index, and a user interface to access the database. ...hrough to systems using [[statistical]] or [[natural language processing]] techniques. ...

...]] time. Once constructed from a document or set of documents, a substring index can be used to locate all occurrences of a pattern in time linear or near-l The phrase '''full-text index''' is often used for substring indexes. But this is ambiguous, as it is als ...

{{Short description|Type of database system}} '''Online transaction processing''' ('''OLTP''') is a type of [[database]] system used in transaction-oriented applications, such as many operationa ...