Ben Johnston in SQL Server

SQL Server DDM Security Risks: Side Channel Attacks and Partial Unmasking

SQL Server Dynamic Data Masking can be bypassed: learn how side channel attacks use range queries to infer masked values,...

14 June 2023 31 min read

PostgreSQL

Grant Fritchey in PostgreSQL

Manipulating Data In PostgreSQL: Learning PostgreSQL with Grant

So far in the series I’ve shown how to create databases, tables, constraints, indexes and schema. Now, it’s time to...

12 June 2023 13 min read

Oracle

Chandra Rawat in Oracle

Oracle INSERT, UPDATE & DELETE: Syntax and Examples

Complete reference for Oracle DML statements. Covers INSERT (single-row and multi-row), UPDATE with conditions, DELETE vs TRUNCATE — with tested...

09 June 2023 20 min read

SQL Server

Ben Johnston in SQL Server

SQL Server Dynamic Data Masking Setup Guide

Set up SQL Server Dynamic Data Masking step by step. Covers ALTER TABLE masking syntax, mask functions (default, email, random,...

07 June 2023 28 min read

Performance

Dennes Torres in Performance

SQL Server 2022: Capture SQL Anti-Patterns

One of the new Extended Event available in SQL Server 2022 is the query_antipattern. This extended event allows to...

01 June 2023 6 min read

T-SQL Programming

Itzik Ben-Gan in T-SQL Programming

T-SQL Gap-Filling: Filling Missing Dates with LAG, IGNORE NULLS, and Range Matching

Three T-SQL approaches for filling gaps in a time series with last-known values (LOCF imputation): TOP-based lookup, IGNORE NULLS (SQL...

29 May 2023 19 min read

SQL Server

Ben Johnston in SQL Server

SQL Server Dynamic Data Masking: Introduction and Use Cases (Part 1)

SQL Server Dynamic Data Masking (DDM) obfuscates column data for unauthorized users without changing the stored data. Part 1 introduces...

26 May 2023 13 min read

MySQL

Lukas Vileikis in MySQL

Optimizing MySQL: Adding Data to Tables

Welcome back to the MySQL optimization series! In case you haven’t been following this series, in the past couple of...

22 May 2023 21 min read

PostgreSQL

Ryan Booz in PostgreSQL

PostgreSQL Basics: A Template for Managing Database Privileges

In the first two articles of this series about PostgreSQL privileges, we reviewed how to create roles, grant them privileges...

18 May 2023 14 min read

T-SQL Programming

Aaron Bertrand in T-SQL Programming

Changing log growth strategy in SQL Server 2022

When I first saw a bullet item stating SQL Server 2022 would support instant file initialization for log file growth,...

15 May 2023 6 min read

PostgreSQL

Henrietta Dombrovskaya in PostgreSQL

Uncovering the mysteries of PostgreSQL (auto) vacuum

Welcome to the second blog of the “magic of parameters” series. In the first entry, I covered memory parameters, and...

12 May 2023 13 min read

MySQL

Robert Sheldon in MySQL

Importing data into a MySQL database using LOAD DATA

Database and development teams often load data from plain text files into their MySQL databases. The files might be used...

04 May 2023 24 min read

PostgreSQL

Ryan Booz in PostgreSQL

PostgreSQL Basics: Essential psql Tips and Tricks

Having access to the psql command-line tool is essential for any developers or DBAs that are actively working with and...

01 May 2023 14 min read

PostgreSQL

Ryan Booz in PostgreSQL

PostgreSQL Basics: Getting started with psql

PostgreSQL has a separate command-line tool that’s been available for decades and is included with any installation of PostgreSQL. Many...

24 April 2023 8 min read

T-SQL Programming

Aaron Bertrand in T-SQL Programming

One use case for NOT using schema prefixes

I’ve long been a huge advocate for always referencing objects with a schema prefix in SQL Server.…

20 April 2023 6 min read

PostgreSQL

Grant Fritchey in PostgreSQL

PostgreSQL Schema: Learning PostgreSQL with Grant

An important aspect of building and managing a database is organizing the objects within your database. You may have tables...

10 April 2023 9 min read

Other

Aisha Bukar in Other

A Beginners Guide To MySQL Replication Part 2: Configuring Source and Replica Servers

In the first part of this series, we spoke about MySQL Replication, the different types, replication formats, benefits, and downsides,...

10 April 2023 8 min read

T-SQL Programming

Edward Pollack in T-SQL Programming

Ordered Columnstore Indexes in SQL Server 2022: Usage & Limits

Learn how to use the ORDER clause with columnstore indexes in SQL Server 2022. Covers automatic data ordering, rowgroup elimination...

07 April 2023 18 min read

MySQL

Robert Sheldon in MySQL

Modifying MySQL data from within Python

In the previous article in this series, I introduced you to how to access MySQL data from within a Python...

03 April 2023 21 min read

T-SQL Programming

Aaron Bertrand in T-SQL Programming

GENERATE_SERIES in SQL Server 2022: Syntax, Examples, and Performance vs Numbers Tables

GENERATE_SERIES is the new built-in function in SQL Server 2022 and Azure SQL Database for producing a set of values...

30 March 2023 13 min read

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Databases

SQL Server DDM Security Risks: Side Channel Attacks and Partial Unmasking

Manipulating Data In PostgreSQL: Learning PostgreSQL with Grant

Oracle INSERT, UPDATE & DELETE: Syntax and Examples

SQL Server Dynamic Data Masking Setup Guide

SQL Server 2022: Capture SQL Anti-Patterns

T-SQL Gap-Filling: Filling Missing Dates with LAG, IGNORE NULLS, and Range Matching

SQL Server Dynamic Data Masking: Introduction and Use Cases (Part 1)

Optimizing MySQL: Adding Data to Tables

PostgreSQL Basics: A Template for Managing Database Privileges

Changing log growth strategy in SQL Server 2022

Uncovering the mysteries of PostgreSQL (auto) vacuum

Importing data into a MySQL database using LOAD DATA

PostgreSQL Basics: Essential psql Tips and Tricks

PostgreSQL Basics: Getting started with psql

One use case for NOT using schema prefixes

PostgreSQL Schema: Learning PostgreSQL with Grant

A Beginners Guide To MySQL Replication Part 2: Configuring Source and Replica Servers

Ordered Columnstore Indexes in SQL Server 2022: Usage & Limits

Modifying MySQL data from within Python

GENERATE_SERIES in SQL Server 2022: Syntax, Examples, and Performance vs Numbers Tables