Name: CSA ISO/IEC 19075-1:22 – Information technology — Guidance for the use of database language SQL — Part 1: XQuery regular expressions (Adopted ISO/IEC 19075-1:21, first edition, 2021-08)
Brand: Canadian Standards Association
SKU: CSA ISO/IEC 19075-1:22
Price: 128.00 USD
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CSA ISO/IEC 19075-1:22

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Information technology — Guidance for the use of database language SQL — Part 1: XQuery regular expressions (Adopted ISO/IEC 19075-1:21, first edition, 2021-08)

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CSA ISO/IEC 19075-1:22

Information technology — Guidance for the use of database language SQL — Part 1: XQuery regular expressions (Adopted ISO/IEC 19075-1:21, first edition, 2021-08)

Scope

This document describes the regular expression support in SQL (ISO/IEC 9075-2) adopted from the regular expression syntax of XQuery and XPath Functions and Operators 3.1, which is derived from Perl. This document discusses five operators using this regular expression syntax: — LIKE_REGEX predicate, to determine the existence of a match to a regular expression. — OCCURRENCES_REGEX numeric function, to determine the number of matches to a regular expression. — POSITION_REGEX function, to determine the position of a match. — SUBSTRING_REGEX function, to extract a substring matching a regular expression. — TRANSLATE_REGEX function, to perform replacements using a regular expression.

CSA ISO/IEC 19075-1:22

Information technology — Guidance for the use of database language SQL — Part 1: XQuery regular expressions (Adopted ISO/IEC 19075-1:21, first edition, 2021-08)

Scope

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