BS ISO/IEC 19075-1:2021 - Information Technology: Guidance for the Use of Database Language SQL XQuery Regular Expressions

Standard Number: BS ISO/IEC 19075-1:2021

Pages: 36

Released: 2021-09-08

ISBN: 978 0 539 13078 2

Status: Standard

Overview

The BS ISO/IEC 19075-1:2021 standard provides comprehensive guidance for the use of database language SQL and XQuery regular expressions. This essential document is a must-have for professionals in the field of information technology, particularly those specializing in database management and query languages.

Key Features

• Comprehensive Guidance: Offers detailed instructions and best practices for utilizing SQL and XQuery regular expressions effectively.
• Up-to-Date Information: Released on 2021-09-08, this standard reflects the latest advancements and methodologies in the field.
• Authoritative Source: As a standard, it provides a reliable and authoritative reference for IT professionals.
• Concise and Clear: With 36 pages of focused content, it delivers clear and concise guidance without unnecessary complexity.

Why You Need This Standard

In the rapidly evolving world of information technology, staying updated with the latest standards and practices is crucial. The BS ISO/IEC 19075-1:2021 standard is designed to help you:

• Enhance Efficiency: By following the guidelines, you can optimize your use of SQL and XQuery regular expressions, leading to more efficient database management.
• Ensure Compliance: Adhering to recognized standards helps ensure that your practices are compliant with industry norms and regulations.
• Improve Accuracy: The detailed instructions help minimize errors and improve the accuracy of your database queries.
• Stay Competitive: Keeping up with the latest standards ensures that you remain competitive in the fast-paced IT industry.

Who Should Use This Standard?

This standard is ideal for a wide range of IT professionals, including:

• Database Administrators: Enhance your skills in managing and querying databases using SQL and XQuery regular expressions.
• Software Developers: Improve your coding practices by integrating the latest standards into your development process.
• IT Managers: Ensure that your team is following best practices and industry standards.
• Data Analysts: Optimize your data querying techniques for more accurate and efficient analysis.

Content Highlights

The BS ISO/IEC 19075-1:2021 standard covers a range of topics essential for the effective use of SQL and XQuery regular expressions, including:

• Introduction to Regular Expressions: Basic concepts and terminology.
• SQL Regular Expressions: Detailed guidance on using regular expressions within SQL queries.
• XQuery Regular Expressions: Instructions for implementing regular expressions in XQuery.
• Best Practices: Recommendations for optimizing performance and accuracy.
• Examples and Use Cases: Practical examples to illustrate the application of regular expressions in real-world scenarios.

Conclusion

The BS ISO/IEC 19075-1:2021 standard is an invaluable resource for anyone involved in database management and query languages. By providing clear, concise, and up-to-date guidance, it helps you enhance efficiency, ensure compliance, and improve accuracy in your work. Whether you are a database administrator, software developer, IT manager, or data analyst, this standard is an essential addition to your professional toolkit.

BS ISO/IEC 19075-1:2021

This standard BS ISO/IEC 19075-1:2021 Information technology. Guidance for the use of database language SQL is classified in these ICS categories:

• 35.060 Languages used in information technology

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.