#database-administration

Articles tagged with #database-administration

UNION vs. UNION ALL: How Hidden Sort Operators Slow Down Your Combined Datasets
Unmasking the duplicate check penalty: Why combining queries can trigger unexpected disk grinding, how to trace performance plan warnings, and when to drop the distinct filter safely.
Jul 2, 20267 min read
SQL Server Linked Servers: How to Fix Slow Cross-Server Queries and Stop Performance Lag
Unclogging the cross-server pipeline: Why linking databases makes queries run slow, how to stop SQL Server from pulling millions of rows over the network, and how to write fast remote queries.
Jun 21, 20266 min read
Navigating Memory Architecture: Buffer Pool Tracking, Clerks, and Plan Cache Eviction
Cracking the code on RAM allocations: How to audit Page Life Expectancy, diagnose buffer pool pressure, and eliminate plan cache bloat.
Jun 16, 20268 min read6
Scaling Large Datasets: Table Partitioning Architecture and Sliding Window Purges
Architecting VLDB storage layers: How to configure symmetrical index alignment, engineer partition functions, and execute instantaneous metadata-only data purges.
Jun 15, 20268 min read1
Designing High-Performance Indexes: Composite Keys, Included Columns, and Mitigating Key Lookups
Mastering B-Tree physical alignment: How to engineer optimal column ordering, eliminate costly Key Lookup operators, and balance read optimization against DML write overhead.
Jun 15, 20267 min read3
Optimizing Transaction Log Architecture: Mitigating Runaway LDF Files and VLF Fragmentation
Unpacking .ldf storage engineering: How to audit Virtual Log Files, isolate log truncation roadblocks, and handle emergency disk saturation safely.
Jun 15, 202610 min read5