Oracle SQL SUBSTR() Character function – Medium cross post

I have been writing several articles about Oracle SQL over on my Medium account. With the Always Free Autonomous Database, having access to the Oracle Database is now easier than ever. In this Medium cross-post I share an article covering the SUBSTR() character function…

Any programmer, SQL professional, or data practitioner knows how much of a part text data is in any workflow. Oftentimes, text and string data only have specific portions that are of interest. Obtaining those key segments can typically be done using character functions.

Like other SQL implementations, Oracle SQL has a range of character functions. In the post, SUBSTR() Character Function – Oracle SQL Example, I cover simple queries for extracting key character values using SUBSTR(). The extracted text data is then used in additional processing queries.

If you aren’t familiar with the SUBSTR() function, learn more about it in this post. For the most part, each SQL dialect has an SUBSTR() function or something comparable so the concepts should easily apply to whatever function is available in the SQL implementation you are working with.

In what crafty ways have you had to use SUBSTR() (or a similar function) in your queries or analysis to extract the character values you needed? I’d love to know of them so please drop a line in the comments. πŸ™‚

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Josh Otwell has a passion to study and grow as a SQL Developer and blogger. Other favorite activities find him with his nose buried in a good book, article, or the Linux command line. Among those, he shares a love of tabletop RPG games, reading fantasy novels, and spending time with his wife and two daughters.

Disclaimer: The examples presented in this post are hypothetical ideas of how to achieve similar types of results. They are not the utmost best solution(s). The majority, if not all, of the examples provided, are performed on a personal development/learning workstation-environment and should not be considered production quality or ready. Your particular goals and needs may vary. Use those practices that best benefit your needs and goals. Opinions are my own.

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