Azure SQL db/dw series (13) -- using query store (2) -- report Introduction (2)

This paper belongs to Azure SQL DB/DW series
Last article ：Azure SQL DB/DW series （12）—— Use Query Store（1）—— Report Introduction （1）
This article goes on to introduce Query Store The report of

Query with enforcement plan

   Displays queries that have been forced to use a specific execution plan . You can see how many execution plans are used , Can also be used to review .

   Because this report is seldom used by me , So don't make too many introductions .

Highly differentiated queries

   This report can be used to view parameterization problems . Parameterization problems are common in tables with uneven data distribution .

   This report is related to “ The most resource consuming queries ” The report is a bit similar , But there is not much to adjust .
   Again , Move the mouse over to see some details ：

   On parameterization , You can refer to the previous article ：Azure SQL DB/DW series （7）——Query Store Case study （4）—— Find parameterization problems

Query waiting Statistics

   This is the newly added report . Open them and you can see the following , The report itself is similar to other reports , But it contains the total waiting information , But you can choose the statistical latitude ：


   Most uses are similar , If you click on a column , It will show the front 5 Query for a specific wait type , Here's the picture , In this way, bottlenecks can be targeted ：

Tracked queries

   This report is used to display runtime statistics for a specific query , At the same time, all the execution plans of the query will be displayed . It can be used to check the performance change trend of a query ：

   There is an input at the top of the figure query ID The place of , You can specify a specific Query ID, Then each green dot represents the execution plan at a certain time point .
   Again , You can also see some details by pointing to the past ：

summary

   This article and the previous article , Introduced 7 individual Query Store The report in it . But it is still a very shallow introduction , After all, it needs to be used in depth according to practical problems .

   Next article ：Azure SQL DB/DW series （14）—— Use Query Store（3）—— Common scenarios