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What (who) is point cursor - definition

DATABASE CURSOR

Database cursor; SQL Cursor; Cursor (database)

CURSOR

1978-1982 DISK MAGAZINE

Cursor (magazine)

CURSOR: Programs for PET Computers was an early computer-based "magazine" that was distributed on cassette from 1978 and into the early 1980s. Each issue, consisting of the cassette itself and a short newsletter including a table of contents, contained programs, utilities, and games.

https://en.wikipedia.org/wiki/CURSOR

cursor

1978-1982 DISK MAGAZINE

Cursor (magazine)

1. <hardware> A visually distinct mark on a display indicating where newly typed text will be inserted. The cursor moves as text is typed and, in most modern editors, can be moved around within a document by the user to change the insertion point. 2. <database> In SQL, a named control structure used by an application program to point to a row of data. The position of the row is within a table or view, and the cursor is used interactively so select rows from columns. (1996-12-27)

cursor

1978-1982 DISK MAGAZINE

Cursor (magazine)

¦ noun

1. a movable indicator on a computer screen identifying the point that will be affected by input from the user.

2. the transparent slide engraved with a hairline used to locate points on a slide rule.

Origin

ME (denoting a runner): from L., 'runner', from curs- (see cursive).

Wikipedia

Cursor (databases)

In computer science, a database cursor is a mechanism that enables traversal over the records in a database. Cursors facilitate subsequent 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.

Cursors are used by database programmers to process individual rows returned by database system queries. Cursors enable manipulation of whole result sets at once. In this scenario, a cursor enables the sequential processing of rows in a result set.

In SQL procedures, a cursor makes it possible to define a result set (a set of data rows) and perform complex logic on a row by row basis. By using the same mechanics, a SQL procedure can also define a result set and return it directly to the caller of the SQL procedure or to a client application.

A cursor can be viewed as a pointer to one row in a set of rows. The cursor can only reference one row at a time, but can move to other rows of the result set as needed.

https://en.wikipedia.org/wiki/Cursor (databases)