Weekly Reading for week of 01/26/2019

Enjoy the weekend with these great open-source SQL blog posts from around the web… At times, a few may be a bit dated, but worth the read, while others are relatively current… Share them along…



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CTE’s in MySQL – First steps…

Having recently upgraded my learning/development environment to MySQL 8 from version 5.7, I thought to start blogging on a couple of the (many) new fantastic features included in this latest version. With this blog post, I will begin what I plan to be a multi-part series on Common Table Expressions as I learn, explore, and use them…

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SAVEPOINT in MySQL – with examples.

DML or Data Manipulation Commands should be handled with utmost care in SQL for the simple reason they modify the targeted data in some way. Typically, this is via UPDATE or DELETE statements. In this blog post, we will learn how to better protect the data (and ourselves) when running these types of commands by utilizing a SAVEPOINT within a TRANSACTION.

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Using the FOUND_ROWS() function in a MySQL Stored Procedure.

In, Exploring the FOUND_ROWS() function in MySQL – First encounter…, I blogged about my initial exploration of the FOUND_ROWS() function. I also mentioned an alternative use for it in a Stored Procedure versus a SELECT COUNT(*) INTO statement, capturing a row count into a user-defined variable. This companion post will take the concept further, putting it into practice for a similar type of Stored Procedure…

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