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A handplane removes fine shavings while the wooden board remains intact

How to Trim TIME Part in DATETIME Values? – Interview Question of the Week #200

November 18, 2018
Pinal Dave
SQL Interview Questions and Answers
SQL DateTime, SQL Function, SQL Server, SQL String

How to trim TIME part in DATETIME values? A reader wanted to keep only the date and the hour, so here are ways to cut off the minutes and seconds.

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Graduated plates stand in two racks in opposite size orders

Does Sort Order in Index Column Matters for Performance? – Interview Question of the Week #199

November 11, 2018
Pinal Dave
SQL Interview Questions and Answers
Execution Plan, SQL Index, SQL Performance, SQL Server, SQL Statistics

Does the sort order in an index column matter for performance? Yes, in some specific scenarios, and here is an example from a recent Health Check question.

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Stacks of blank index cards are weighed on a brass balance

How to Find Size of the Index for Tables? – Interview Question of the Week #198

November 4, 2018
Pinal Dave
SQL Interview Questions and Answers
SQL DMV, SQL Index, SQL Scripts, SQL Server

How do you find the size of the index for tables? A client asked me during a Health Check, and this script lists schema, table, index and size in KB and MB.

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Fresh bakery trays are ready on a rack before the counter needs them

What is Read Ahead Read in SQL Server? – Interview Question of the Week #197

October 28, 2018
Pinal Dave
SQL Interview Questions and Answers
Execution Plan, SQL Memory, SQL Performance, SQL Scripts, SQL Server

Question: What is Read Ahead Read in SQL Server?

Answer: This is SQL Server’s feature which brings data pages into the buffer cache.

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Books are neatly arranged while a separate record book remains unchanged

Do Index Reorganization Update Statistics? – Interview Question of the Week #196

October 21, 2018
Pinal Dave
SQL Interview Questions and Answers
Maintenance Plan, SQL Index, SQL Performance, SQL Scripts, SQL Server, SQL Statistics

Question: Do Index Reorganization Update Statistics?

Answer: No. Index Reorganization does not update Statistics of your database.

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An ant trail crosses a picnic cloth toward the food

How to Find Queries Using an Index From SQL Server Plan Cache? – Interview Question of the Week #195

October 14, 2018
Pinal Dave
SQL Interview Questions and Answers
SQL Cache, SQL DMV, SQL Index, SQL Scripts, SQL Server

Before I dropped an unused index, my client’s CEO wanted proof. Here is how to find queries using an index from the SQL Server plan cache.

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The same wooden music box accepts different interchangeable music cylinders

How to Change Language for SSMS? – Interview Question of the Week #194

October 7, 2018
Pinal Dave
SQL Interview Questions and Answers
SQL Server, SQL Server Management Studio, SQL Utility

How do you change language for SSMS? A workshop attendee asked me and I had to research it, but the steps are simple and start in the Tools menu.

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