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DB2 Resource Control with WLM
With the continuous growth of data, managing database resources has become more crucial than ever. One of the key aspects of database management is the effective control of resources, such as CPU and memory, to ensure optimal performance. In this blog post[.....]
DB2 Columnar Tables in BLU Acceleration
As data continues to grow exponentially, data management technologies are evolving to meet the increasing need for speedy access and efficient storage. One such technology is IBM's DB2 BLU Acceleration - a revolutionary technology designed to make the most[.....]
DB2 Index Only Access Performance Tuning
In the world of database management, achieving optimal performance is a constant pursuit. One of the critical aspects of this quest is leveraging indexes to their full potential. Indexes, when used correctly, can significantly speed up data retrieval opera[.....]
DB2 Explain Facility with db2exfmt
Welcome to another insightful post on SQLSupport.org. Today, we will delve into the world of DB2 and focus on one of its powerful tools - The DB2 Explain Facility with db2exfmt. This tool is a critical resource when it comes to understanding the efficiency[.....]
DB2 Optimizer Guidelines and Best Practices
DB2 Optimizer is a critical component in DB2 that ensures your SQL queries are executed in the most efficient manner. The DB2 Optimizer's primary function is to analyze SQL statements and decide the most efficient way to access the requested data. This is[.....]
DB2 Lock Timeout vs Deadlock Detection
In the world of Relational Database Management Systems (RDBMS) like SQL Server 2019, MySQL 8.0, DB2 11.5, Azure SQL, and Azure Synapse, understanding and managing locks and deadlocks is crucial. This article will focus on DB2's lock timeout and deadlock de[.....]
DB2 Materialized Query Tables vs Views Note from the Data Whisperer
In the world of SQL databases, using views and materialized query tables (MQTs) can drastically improve the efficiency of your data operations. Today, we will be exploring the differences between DB2 Materialized Query Tables (MQTs) and views, and how each[.....]
DB2 Triggers for Audit Enforcement
Triggers are an essential component of database management, providing an automated response to events, such as table updates, that can aid in maintaining data integrity and enforcing business rules. In this blog post, we will focus on DB2 triggers and how[.....]
DB2 Query Parallelism for Faster Results
In the world of data management, speed and efficiency are of utmost importance. As database administrators, we're always looking for ways to optimize our systems to deliver faster results. One way to achieve this is through query parallelism. This approach[.....]
DB2 Adaptive Compression Setup and Benefits
DB2 has been renowned for its powerful data compression capabilities and with the release of DB2 11.5, IBM has further enhanced this feature by introducing Adaptive Compression. This new feature allows DB2 to adjust its compression techniques based on the[.....]