Information technology - Guidance for the use of database language SQL - Part 5: Row pattern recogni...
This document discusses the syntax and semantics for recognizing patterns in rows of a table, as defined in ISO/IEC 9075-2, commonly called “SQL/RPR”.SQL/RPR defines two features regarding row pattern recognition:— Feature R010, “Row pattern recognition: FROM clause”— Feature R020, “Row pattern recognition: WINDOW clause”These two features have considerable syntax and semantics in common, the…
Information technology - Guidance for the use of database language SQL - Part 6: Support for JSON
This document describes the support in SQL for JavaScript Object Notation.This document discusses the following features of the SQL language:— Storing JSON data.— Publishing JSON data.— Querying JSON data.— SQL/JSON data model and path language.
Information technology - Guidance for the use of database language SQL - Part 7: Polymorphic table f...
This document describes the definition and use of polymorphic table functions in SQL.The Report discusses the following features of the SQL Language:— The processing model of polymorphic table functions in the context of SQL.— The creation and maintenance of polymorphic table functions.— Issues related to methods of implementing polymorphic table functions.— How polymorphic table functions are…
IEC 60958-1:2021 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 60958-1:2021 describes a serial, uni-directional, self-clocking interface for the interconnection of digital…
Measurement of quartz crystal unit parameters - Part 6: Measurement of drive level dependence (DLD)
IEC 60444-6:2021 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 60444-6:2021 applies to the measurements of drive level dependence (DLD) of quartz crystal units. Two test…
Lamp controlgear — Part 2-13: Particular requirements for d.c. or a.c. supplied electronic controlge...
1 Scope
This Standard specifies particular safety requirements for electronic controlgear for use on d.c. supplies
up to 380 V and a.c. supplies up to 600 V at 50 Hz or 60 Hz and at an output frequency that can deviate
from the supply frequency, associated with LED modules.
Notes:
1) A lamp controlgear for LED modules may also be referred to as “LED controlgear”, “LED driver”, “LED power…
CSA C22.2 No. 62031:21 LED modules for general lighting — Safety specifications -- CSA C22.2 nº 6203...
1 Scope
1.1
This Standard specifies general and safety requirements for
a) non-integrated light-emitting diode (LED) modules (LEDni modules) and semi-integrated LED
modules (LEDsi modules) for operation under constant voltage, constant current, or constant
power; and
b) integrated LED modules (LEDi modules) for use on dc supplies up to 250 V or ac supplies up to
600 V.
LED modules within…
Cable management systems — Cable ties for electrical installations
1 Scope
This document specifies requirements for metallic, non-metallic and composite cable ties and their
associated fixing devices used for the management and support of wiring systems in electrical
installations.
1DV.1 D2 Modify Clause 1 by replacing the first paragraph with the following:
This Standard specifies requirements for metallic, non-metallic, and composite cable ties
and their…
Systèmes de câblage — Colliers pour installations électriques
1 Domaine d'application
Le présent document spécifie les exigences pour les colliers métalliques, non métalliques et
composites ainsi que pour leurs accessoires de fixation associés, utilisés pour l'aménagement
et le soutien des systèmes de câblage dans les installations électriques.
Les colliers et leurs accessoires de fixation associés peuvent également être utilisés pour
d'…
Sites de déchets solides au sein des collectivités nordiques : De la planification à la période suiv...
1 Domaine d’application
1.1 Objet
Cette norme vise la gestion des installations pour DSM, notamment l’évaluation, la planification, le
choix de l’emplacement, la conception, la mise en oeuvre, la surveillance et l’entretien de ces
installations, et comprend des stratégies de gestion des risques liés à la pollution et des mesures
d’atténuation des risques pour les infrastructures nouvelles et…