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Cursor (databases)

In computer science, a database cursor is a mechanism that enables traversal over the records in a database. Cursors facilitate processing in conjunction with the traversal, such as retrieval, addition and removal of database records. The database cursor characteristic of traversal makes cursors akin to the programming language concept of iterator.

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Usage

CLIJDBCDBMSScrollable cursors
4 related topics

Disadvantages of cursors

Network round tripResourcesLocksMicrosoft SQL Server
4 related topics

"WITH HOLD"

UPDATEDELETE
2 related topics

Cursors in distributed transactions

X/Open XA
1 related topics

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Overview

Usage

"WITH HOLD"

Cursors in distributed transactions

Cursors in XQuery

Disadvantages of cursors

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Map overview Semantic statistics

Cursor (databases)

Nodes25
Edges24
Triples0
Avg. degree1.92
Density0.08
Components1

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Important terminology

cursor cursors result set row database rows using data dbms sql positioned delete fetch application also traversal update scrollable holdable

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SubjectPredicateObjectConfidenceSrc

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