PostgreSQL

External Article

PostgreSQL Schema: Learning PostgreSQL with Grant

  • Article

An important aspect of building and managing a database is organizing the objects within your database. You may have tables that support different functions, for example, a schema for warehousing operations and another for sales. Some logins may need access to some tables, but not others. You might want to isolate one set of objects within a database from other sets of objects. All of this, and more, can be accomplished using schemas within a database and PostgreSQL supports the use of schema for just these types of functions.

2023-08-16

SQLServerCentral Editorial

Same Language, Different Words

  • Editorial

I had to come to the Redgate office in Cambridge this past week for a department onsite. As a result, my wife and I were able to come early for a few days adventuring together, the first trip we've taken by ourselves in nearly seven years. As a large family with six kids, it takes […]

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2023-06-17

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External Article

Are PostgreSQL memory parameters magic?

  • Article

Ordinary PostgreSQL users often do not know that PostgreSQL configuration parameters exist, let alone what they are and what they mean. Some parameter tuning can improve the database performance, and we are usually talking about 10%, 20%, and in rare cases, up to 50% performance improvement.

2023-06-14

External Article

PostgreSQL Constraints: Learning PostgreSQL with Grant

  • Article

One of the most important aspects of data management is the ability to ensure that the data in your database is well defined and consistent. Some aspects of that are ensured through the relational data structures you design. Another piece of control is using the correct data type. Then, we get to constraints. A constraint is a way to validate data prior to adding it to your database. This is one more tool in the toolbox that helps you maintain good data.

2023-03-22

External Article

PostgreSQL Basics: Roles and Privileges

  • Article

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

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BIT_COUNT() IV

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Question of the Day

BIT_COUNT() IV

In SQL Server 2025, I run this code:

select bit_count('A')
What is returned?

See possible answers