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Partition Switching in Large Fact Tables Note from the Data Whisperer
As data warehouses continue to balloon with the exponential rise in data generation, SQL Server admins are faced with the challenge of optimizing their environment for improved performance. One such optimization technique that has proven useful for large f[.....]
Configuring Azure SQL Firewall Rules
Azure SQL Server, a fully managed relational database service from Microsoft Azure, provides a broad range of SQL Server functionalities on the cloud. One of the fundamental aspects of managing your Azure SQL Server instance is setting up firewall rules. T[.....]
Monitoring SQL Server Using Extended Events
SQL Server Extended Events, a lightweight performance monitoring system, allows database administrators to collect as much or as little data as needed to troubleshoot issues without impacting the performance of the server. Introduced in SQL Server 2008, Ex[.....]
Optimizing MySQL JOIN Performance
In today's data-driven world, database performance is crucial for businesses of all sizes. Whether you're a database administrator for a small startup or a multinational corporation, you're likely to encounter challenges with JOIN operations in MySQL. This[.....]
DB2 Row Compression Strategies
Managing the size of your databases is a critical aspect of database management. One of the strategies that you can employ to achieve this is row compression. In today's blog post, we'll look at how you can implement row compression strategies in DB2 11.1,[.....]
Common Table Expressions for Hierarchical Queries
Understanding and navigating hierarchical relationships in data is a common challenge for many database professionals. Whether you're dealing with organizational structures, product categories, or nested comments, hierarchical data can be difficult to wran[.....]
SSIS Lookup Cache Modes and Their Impact
In the realm of SQL Server Integration Services (SSIS), the Lookup transformation is an essential tool for comparing data sources. It allows for the comparison of an input column from the data source to a column from the reference data set. The Lookup tran[.....]
SQL Agent Job Schedules for Enterprise Workflows
SQL Agent Job Schedules are a fundamental part of managing enterprise workflows, especially when it comes to automating tasks and ensuring mission-critical operations are executed efficiently. SQL Agent Job Schedules, available in SQL Server 2016, SQL Serv[.....]
Understanding Query Plan Hashes in SQL Server
Understanding the concept of Query Plan Hashes is essential for SQL Server users who need to analyze and optimize their query performance. A query plan hash is a unique identifier generated by the SQL Server for each distinct query execution plan. It helps[.....]
Custom Logging in MySQL Triggers Note from the Data Whisperer
Hello SQL enthusiasts and welcome to another blog post from SQLSupport.org. Today's topic digs into the world of custom logging in MySQL Triggers. Triggers are a powerful tool in the arsenal of a database developer. They allow you to perform certain action[.....]