Check optimized plan forcing in SQL Server 2022 through scoped configuration and Query Store replay flags, then compare compile duration.
Scalar Functions and Performance
Scalar functions can hide row-by-row work in SQL Server; learn when inlining helps, how to inspect eligibility, and when a set-based rewrite wins.
Parameter Types From .NET: Stopping Implicit Conversions at the Source
Match parameter types from .NET to SQL Server columns, avoid implicit conversions, and inspect cached plans for mismatched strings.
Statistics Histograms Explained
Statistics histograms explained through steps, RANGE_ROWS, EQ_ROWS, and DBCC SHOW_STATISTICS help connect data shape to plan estimates.
Star Schema Queries and How SQL Server Runs Them
Star schema queries join a large fact table to focused dimensions; learn bitmap filters, columnstore, and indexes that support the real workload.
When Auto Update Statistics Is Not Enough
Auto update statistics can miss important data patterns; inspect thresholds, ascending keys, sampling, and targeted update schedules.
Finding the Nearest Location With a Spatial Index
A nearest location query in SQL Server needs TOP, STDistance in WHERE and ORDER BY, matching SRIDs, and a checked spatial plan.