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Title card: Report Does Not Have Any Data to Show

SQL SERVER – Fix Error: Currently This Report Does Not Have Any Data to Show, Because Default Trace Does Not Contain Relevant Information

May 26, 2020
Pinal Dave
SQL Tips and Tricks
Schema, SQL Reports, SQL Scripts, SQL Server, SQL Server Configuration, SQL Server Management Studio

If there is a way to fix the error which they get when they try to open Schema Changes History. The error was related to Not Have Any Data to Show.

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Gouache painting of a row of open beach umbrellas with one closed vermilion umbrella at the end

Visible Offline Schedulers: Find CPUs SQL Server Ignores

May 12, 2020
Pinal Dave
SQL Performance
SQL CPU, SQL DMV, SQL Monitoring, SQL Server Configuration

Visible offline schedulers are CPUs that Windows shows and SQL Server refuses to use. This post reads the scheduler status with tested queries, compares it with the CPU count and affinity, and explains the two common causes. It also shows the statement that returns the CPUs to automatic affinity.

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Gouache painting of a wide channel splitting into small garden channels through one vermilion sluice gate

Query Store On or Off for Every Database: Review First

April 25, 2020
Pinal Dave
SQL Tips and Tricks
Query Store, SQL DMV, SQL Scripts, SQL Server Configuration

To turn Query Store on or off for every database, you need one statement per database, because there is no server switch. This post builds a tested script that writes the statements, lets you read them and then runs them in one batch. It also covers READ_ONLY mode and the model database.

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Gouache painting of a row of white beehives in a meadow, some open and some closed, one vermilion

Query Store Status for Every Database in SQL Server

April 24, 2020
Pinal Dave
SQL Performance
Query Store, SQL DMV, SQL Scripts, SQL Server Configuration

Query Store status for every database takes two queries, and the first is not enough. This post builds four demo databases, shows why the is_query_store_on flag hides frozen and read-only states, and runs one script that reads the real state of each database. It also shows what Query Store costs in memory.

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Gouache painting of a hose overflowing a full bucket onto a path beside a tap with a vermilion wheel

SSMS Command Timeout: What the Execution Time-out Does

April 23, 2020
Pinal Dave
SQL Tips and Tricks
SQL Extended Events, SQL Server Configuration, SQL Server Management Studio, Testing

The SSMS command timeout is the number of seconds a query window waits before it cancels a batch. This post lists the four places a time-out can come from and reproduces a client time-out with sqlcmd and PowerShell. It also shows how an Extended Events session proves that the client gave up.

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Gouache painting of a basket of apples capped by a vermilion plank, with more apples left on the grass around it

SSMS ROWCOUNT Setting: Why Your Query Stops at 100 Rows

April 22, 2020
Pinal Dave
SQL Tips and Tricks
Execution Plan, SQL Performance, SQL Server Configuration, SQL Server Management Studio

The SSMS ROWCOUNT setting limits every query in a window to a fixed number of rows, and it can change the plan as well. This post shows the effect on rows, reads and plan with a tested demo, how to check your own session and why UPDATE statements stop at the limit too.

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Title card: Cannot Connect to WMI Provider

SQL SERVER – Fix: Configuration Manager- Cannot Connect to WMI Provider. You Do Not Have Permission or The Server is Unreachable

March 31, 2020
Pinal Dave
SQL Tips and Tricks
SQL Error Messages, SQL Scripts, SQL Server, SQL Server Configuration

Let us learn how to solve Configuration Manager – Cannot Connect to WMI Provider. You Do Not Have Permission or The Server is Unreachable.

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