Room for an index build is the free space that your database and tempdb need before the build starts. This post estimates the index, checks both places, breaks a build on purpose, and shows what SORT_IN_TEMPDB moves and what it leaves in your database.
Grid vs Text Output in SSMS: Why Line Breaks Disappear
Grid vs text output is a Management Studio setting that decides whether the line breaks in your data stay visible. This post builds a value with a line break, proves with T-SQL that the data holds it, and shows how to keep the break in each mode.
SQL SERVER – Move a Table From One Schema to Another Schema
ALTER SCHEMA can Move a Table between schemas within one database. A customer had imported under the wrong schema.
Generate a Date Range: List All Dates Between Two Dates
To generate a date range in SQL Server, number the days between a start date and an end date and add each number to the start. This post shows a recursive CTE, its limit of 100 recursions, GENERATE_SERIES, a version for older servers, and how to handle times and missing days.
Count Table in Cache – SQL in Sixty Seconds #149
Earlier I wrote how to find the count of tables used in queries from cache. Here is the Count Table in Cache video in SQL in Sixty Seconds.
COMPRESSION_DELAY Option for Columnstore Indexes: Test It
The COMPRESSION_DELAY option keeps a closed delta rowgroup uncompressed for a number of minutes, so rows that change soon after they arrive are cheaper to modify. This post loads two demo tables, updates fresh rows in each, and shows the deleted rows that early compression leaves behind.
SQL SERVER – MARK_IN_USE_FOR_REMOVAL Cache Scope and Costs
To Remove Unused cache entries, I first inspect cache and workload evidence. My original intervention followed other customer tuning work.