Introduction MySQL is a widely-used open-source relational database management system. Often, interacting with a MySQL database … Connecting to MySQL from the Command LineRead more
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Common Table Expressions (CTEs) in SQL
Introduction to Common Table Expressions (CTEs) SQL queries can sometimes become complex and difficult to read, … Common Table Expressions (CTEs) in SQLRead more
Querying Data within a Date Range
When working with databases that store date ranges, it’s common to need to query data based … Querying Data within a Date RangeRead more
Working with Databases in MySQL: Selecting and Creating Databases
Introduction When working with database systems like MySQL, it’s crucial to understand how to tell the … Working with Databases in MySQL: Selecting and Creating DatabasesRead more
Emulating a Full Outer Join in MySQL
In SQL, a full outer join is used to combine rows from two or more tables … Emulating a Full Outer Join in MySQLRead more
Enabling Remote Connections to MySQL
Enabling Remote Connections to MySQL MySQL, a widely-used open-source relational database management system, often defaults to … Enabling Remote Connections to MySQLRead more
Discovering Your PostgreSQL Version
Discovering Your PostgreSQL Version PostgreSQL is a powerful, open-source object-relational database system. Knowing the version of … Discovering Your PostgreSQL VersionRead more
Resolving Collation Conflicts in SQL Server
Understanding Collation Conflicts in SQL Server When working with SQL Server, particularly when joining or comparing … Resolving Collation Conflicts in SQL ServerRead more
Modifying Column Data Types in SQL Server
Introduction Databases are rarely static. As applications evolve, so too do the data requirements. One common … Modifying Column Data Types in SQL ServerRead more
String Matching in MySQL
Introduction Often, when working with databases, you need to find records where a specific column contains … String Matching in MySQLRead more