SQL Server authentication vs. Windows authentication: Which to use and when
Authentication is a critical component of security. Learn how SQL Server authentication works and how it differs from Windows authentication.
When and how to use the SQL PARTITION BY clause
Learn when and how to use the SQL PARTITION BY clause in SQL Server and how it differs from the GROUP by clause.
Exploring Postgres date formats and their different functions
Learn the different Postgres date formats and functions available.
Exploring the different constraints in SQL Server
Constraints in SQL Server are predefined rules that you can enforce in single or multiple columns. Learn the different types and benefits for using them.
A beginner’s guide to SQL tables
Check out this beginner’s guide to learn about SQL Server tables and best practices to consider when creating user-defined tables in SQL Server.
Using database schemas in SQL Server
Learn what database schemas are, their advantages and how to create and use SQL Server schemas.
13 SQL Server security best practices
Poorly secured databases are at risk for security breaches. Here are 13 SQL server security best practices to protect your database from malicious attacks.
A guide to using Postgres indexes
Indexes are used to improve the speed of data retrieval in a database. Learn the various types of Postgres indexes and the best use case for each.
How to use UPDATE from SELECT in SQL Server
Learn the different methods for using the UPDATE from SELECT statement in SQL Server.
Exploring the various Postgres data types
Relational databases organize data into tables of rows and columns with assigned data types. Learn the various Postgres data types and supported values.
Various ways to use the SQL CONVERT date function
Date interpretations vary between different countries. Learn how to use the SQL CONVERT date function to get the specific date format you need.
Key methods for creating Postgres tables
To work with data in a relational database, tables need to be created. Learn what Postgres tables are and how to create different types of tables in Postgres.