How do I check a query store?

How do I check a query store?

Enabling the Query Store

  1. In Object Explorer, right-click a database, and then select Properties. Requires at least version 16 of Management Studio.
  2. In the Database Properties dialog box, select the Query Store page.
  3. In the Operation Mode (Requested) box, select Read Write.

How do I select a record without duplicates in one column in SQL?

SELECT DISTINCT returns only unique values (without duplicates). DISTINCT operates on a single column. DISTINCT can be used with aggregates: COUNT, AVG, MAX, etc.

How do I ignore duplicate records in SQL Server?

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But you can right click on the index, select drop and recreate, and then just change Ignore Duplicate Key = Yes.

How can we prevent insertion of duplicate data?

Preventing Duplicates from Occurring in a Table. You can use a PRIMARY KEY or a UNIQUE Index on a table with the appropriate fields to stop duplicate records.

How do I open SQL Activity monitor?

Right-click on the top-level object for a SQL Server connection, and select Activity Monitor.

How can I see SQL processes?

To open Activity Monitor right click on the SQL Server instance name and click Activity Monitor. As you can see below, there are several types of information you can review such as processes, resource waits, expensive queries, etc.

How can I check the performance of a SQL stored procedure?

1 Answer

  1. To launch a profiler from SSMS go to Tools->”SQL Server Profiler”
  2. To “Display An Actual Execution Plan” go to Query->”Display An Actual Execution Plan”

How do you analyze a SQL query performance?

7 Ways to Find Slow SQL Queries

  1. Generate an Actual Execution Plan.
  2. Monitor Resource Usage.
  3. Use the Database Engine Tuning Advisor.
  4. Find Slow Queries With SQL DMVs.
  5. Query Reporting via APM Solutions.
  6. SQL Server Extended Events.
  7. SQL Azure Query Performance Insights.
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How do I find duplicate records?

Find and remove duplicates

  1. Select the cells you want to check for duplicates.
  2. Click Home > Conditional Formatting > Highlight Cells Rules > Duplicate Values.
  3. In the box next to values with, pick the formatting you want to apply to the duplicate values, and then click OK.

What is @@@fetch_status in SQL Server?

@@FETCH_STATUS is a system function that returns the status of the last FETCH statement issued against any opened cursor. This function returns an integer value as mentioned in the table below (Reference: @@FETCH_STATUS (Transact-SQL)):

How do I check the status of the master database?

SELECT DB_NAME() AS DatabaseName, DATABASEPROPERTYEX(‘master’, ‘Status’) AS DBStatus. The DATABASEPROPERTYX function only allows you to see one element at a time, but this maybe helpful if that is all you need. Here we can see the Status for the master database by issuing the above query.

Where can I find the dashboard reports in SQL Server?

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They can be found by right-clicking the SQL Server instance in Object Explorer, and from the context menu, you’ll find Reports > Standard Reports : All of the dashboard reports are useful, and we are not going to go through all of them as that would require a lot of time/words though feel free to check all of them whenever you get the chance.

How to check if the FETCH statement was successful in SQL?

After declaring and opening the cursor, we issued the first FETCH statement. If the SQL query returned at least one row the first FETCH statement should be successful, else it should fail. After that, we used a WHILE loop to check if the FETCH statement was successful and to keep fetching rows while there are more rows to be fetched.