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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[.....]
MySQL Role-Based Access Control
Role-Based Access Control (RBAC) is a critical aspect of database security and management. This concept involves assigning permissions to roles, which are then granted to users. A user's permissions are, therefore, determined by their role. This approach m[.....]
Using SQL Server PolyBase for External Data Access
SQL Server PolyBase is a significant feature that was introduced in SQL Server 2016 and considerably enhanced in SQL Server 2019. It allows SQL Server to run queries on external data in Hadoop or Azure blob storage. It also allows the use of data from Orac[.....]
SSIS Package Logging Strategies
In the world of SQL Server Integration Services (SSIS), logging is paramount. It is the primary mechanism by which ETL processes can be audited and errors can be diagnosed. SQL Server 2019 provides robust and flexible logging options, allowing you to choos[.....]
DB2 Temporal Tables for Historical Data Tracking
In the world of database management, tracking historical data can be a complex task. Changes in data over time are frequently needed in various industries like banking, insurance, retail, and healthcare. One of the most efficient ways to handle this is thr[.....]
MySQL JSON Functions in Practice
With the increasing prevalence of semi-structured data, database management systems have had to adapt and evolve. One of the most significant developments in this regard has been the introduction of JSON functions in SQL databases such as MySQL 8.0, SQL Se[.....]
SQL Server Query Store for Performance Regression Analysis
SQL Server Query Store is a powerful tool for performance regression analysis. Since its introduction in SQL Server 2016, it has become an indispensable feature for performance tuning and troubleshooting. The Query Store offers a way to track query perform[.....]
Secure File Priv Restrictions in MySQL
In today's world where data protection is of utmost importance, it is crucial to understand secure file privilege restrictions in MySQL. MySQL, being one of the most popular open-source relational database management systems around, is widely used for deve[.....]
Handling NULLs in SSRS Aggregates
Aggregating data is a common operation in SQL Server Reporting Services (SSRS), but handling NULL values in these aggregations can often be a challenge. NULLs can sometimes skew results or create inconsistencies, especially when working with SUM and AVG fu[.....]
Using SQL Profiler Filters Effectively
SQL Profiler is an invaluable tool for database administrators and developers. It helps in monitoring and diagnosing problems in SQL Server, MySQL, DB2, Azure SQL, and Azure Synapse. One of the most powerful features of SQL Profiler is the ability to set f[.....]