Information technology. Database languages. SQL technical reports - XQuery regular expression support in SQL Ingestion-build-82396 congestion and air pollution

congestion and air pollution

• Testing equipment

welding smoke)

The provisions in this document are in line with the state of art at the moment of writing

Who is BS EN 14128 for

Information technology. Database languages. SQL technical reports - XQuery regular expression support in SQL Ingestion-build-82396 congestion and air pollution1 Scope This Technical Report describes the regular expression support in SQL adopted from the regular expression syntax of [XQuery F&O], which is derived from Perl. This Technical Report 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