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sqlcmd mode

SQL SERVER Management Studio and SQLCMD Mode

April 30, 2020
Pinal Dave
SQL Tips and Tricks
SQL Download, SQL Scripts, SQL Server, SQL Server Management Studio, sqlcmd, Testing

Honestly, there is an alternative way to quickly use SSMS SQLCMD mode as a development environment, let us learn about it today. 

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Gouache painting of a plank bridge over a brook loaded with sandbags, the top one vermilion

oStress Load Test: Run Many Sessions Against SQL Server

April 27, 2020
Pinal Dave
SQL Performance
Command Line, SQL Server, sqlcmd, Testing

An oStress load test runs one query from many connections at once, so you can watch SQL Server under a crowd. This post explains the main switches and runs a small first test with five connections. It also builds the same test with sqlcmd workers, for machines without oStress.

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Matching aqueduct couplings carry water while a mismatched spare segment remains separate

What is Transactional Replication Supported Version Matrix? – Interview Question of the Week #274

April 26, 2020
Pinal Dave
SQL Interview Questions and Answers
AlwaysOn, SQL High Availability, SQL Replication, SQL Server

Question: What is the Transactional Replication Supported Version Matrix?

The rules for the supported versions are pretty simple and clearly written.

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Illustrated cover: The Blocking Tree

SQL SERVER – Blocking Tree – Identifying Blocking Chain Using SQL Scripts

April 20, 2020
Pinal Dave
SQL Tips and Tricks
SQL DMV, SQL Lock, SQL Scripts, SQL Server

Whenever I end up on a situation where we have lots of blocking issues with my client, I depend on the script of the Blocking Tree.

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Gouache painting of an open glossary bridging relational tables and document folders

SQL Terms vs MongoDB Terms: A Practical Glossary

April 18, 2020
Pinal Dave
SQL Tips and Tricks
JSON, MongoDB, NoSQL, SQL Server

SQL terms vs MongoDB terms trip up teams that use both products. This glossary maps tables, collections, rows, documents and fields, shows tested SQL Server queries beside the mongosh equivalents, and marks where the vocabulary stops matching.

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A heavy door propped open by a red wedge that has quietly slid across the floor.

Forcing a Plan in Query Store and Checking That It Held

April 17, 2020
Pinal Dave
SQL Performance
Execution Plan, Query Store, SQL Performance, SQL Server

Use forcing a plan in Query Store with verified IDs, then audit force failures and runtime results every week so the fix stays useful.

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A front door with two identical brass doorbells, one polished and gleaming, the other dull with a small cobweb.

Duplicate Statistics: Auto-Created Stats That Shadow Index Statistics

April 16, 2020
Pinal Dave
SQL Performance
DBA, SQL Index, SQL Server, SQL Statistics

Find duplicate statistics on index-leading columns, compare freshness and sampling, and generate cautious DROP STATISTICS candidates.

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