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External Article

Testing before coding: shifting farther left

A term I have only recently learned is "shift left testing." You can read more about this on Wikipedia here. The term was coined in 2001 and generally means testing earlier in the development lifecycle. Hence, shifting your testing left in the timeline. Just how left should you shift your testing, though? In my mind, so early, the rooster hasn't entirely fallen asleep yet.

2023-03-01

External Article

PostgreSQL Basics: Roles and Privileges

Information security, whether in databases, applications, or larger IT systems, is based on the principles of Authentication and Authorization, often referred to as AuthN and AuthZ respectively. Likewise, PostgreSQL security involves creating roles that allow access to server resources (AuthN) and then granting privileges to database objects appropriately (AuthZ). Understanding how each of these components work together is essential to effectively manage security in a PostgreSQL cluster.

2023-02-22

External Article

Undoing Actions on Groups of Database Tables

During development, you'll occasionally need an undo script that drops a group of tables, or you might need to truncate a group of tables and then insert fresh data in order to run some tests. Unless you perform the required actions in the correct dependency order, you'll be tripped up by foreign key constraint violations. This article provides a SQL function that returns the list of tables in the correct dependency order.

2023-02-22

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Question of the Day

Identities and Sequences III

When thinking of the Identity property for auto incrementing columns and sequences for the same action, which can be used with the BIGINT data type?

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