Step 5: This step looks up all records in the book_author table. Is Koestler's The Sleepwalkers still well regarded? Get Current Running Queries in SQL Server with fn_get_sql, Getting IO and time statistics for SQL Server queries, SQL Server Schema Binding and Indexed Views, A closer look at CXPACKET wait type in SQL Server, Finding SQL Server Deadlocks Using Trace Flag 1222, Identifying Key and RID Lookup Issues and How to Resolve, How to Identify Microsoft SQL Server Memory Bottlenecks, How to Identify IO Bottlenecks in MS SQL Server, Troubleshooting SQL Server RESOURCE_SEMAPHORE Waittype Memory Issues, SQL Server Simple and Forced Parameterization, SQL Server stored procedure runs fast in SSMS and slow in application, Different Ways to Flush or Clear SQL Server Cache, Get Detailed Wait Stats with SQL Server Execution Plan, Optimize Moving SQL Server Data From One Table to Another Table, UPDATE Statement Performance in SQL Server, Fastest way to Delete Large Number of Records in SQL Server, Set Statistics Time Examples for Tuning SQL Server Queries, SQL Server Query Tuning with Statistics Time and Statistics IO, SQL Server Performance Tuning with Query Plans and New Indexes, Improve SQL Server Performance for Large Log Table Queries using a Goal Posts Table, Date and Time Conversions Using SQL Server, Format SQL Server Dates with FORMAT Function, How to tell what SQL Server versions you are running, Rolling up multiple rows into a single row and column for SQL Server data, Resolving could not open a connection to SQL Server errors, SQL Server Loop through Table Rows without Cursor, Add and Subtract Dates using DATEADD in SQL Server, Concatenate SQL Server Columns into a String with CONCAT(), SQL Server Database Stuck in Restoring State, SQL Server Row Count for all Tables in a Database, Using MERGE in SQL Server to insert, update and delete at the same time, Ways to compare and find differences for SQL Server tables and data. Cool! In which Phil illustrates an old trick using STUFF to intert a number of substrings from a table into a string, and explains why the technique might speed up your code You may want to read Part 1 , Part 2 , and Part 3 before continuing. This operation traverses a B-tree index and finds matching rows. Joins two tables by creating a hash table. Cost-based optimization involves generating multiple execution plans and selecting the lowest cost execution plans to fire and finally execute a query. plan consumes more CPU time than the serial plan: Starting with SQL Server 2016 SP1, the OPTION(USE HINT ( )) query hint is introduced scalar or relational operators that cannot be run in parallel mode. future references. using the sp_query_store_force_plan SP. For optimal response times when the It only takes a minute to sign up. go figure . Parallelism is the process of splitting a big task into multiple smaller tasks accurate (such as updated statistics or a bettr written query). Required fields are marked *. After you identify the query_id and plan_id that you want to force, use the following example to force the query to use a plan. work hours: 9am to 5pm. There are a lot of considerations when you embrace plan forcing I think its an excellent alternative to plan guides (much easier to use, not schema bound) and I think its absolutely worth a DBA or developers time to investigate what plan to force, and then use that as a temporary solution until a long-term fix can be put in place. If you did your job and the reason why a serial plan Sometimes, it is essential that after interpreting the plan generated by the query, you might want to save if for
In addition, the query is executed within 71ms as shown in the time statistics below. the index no longer exists). Is Koestler's The Sleepwalkers still well regarded? Hash Join (cost=657.14..1005.23 rows=17642 width=59), -> Hash Join (cost=391.36..693.11 rows=17642 width=48), -> Seq Scan on book_author ba (cost=0.00..255.42 rows=17642 width=8), -> Hash (cost=252.27..252.27 rows=11127 width=44), -> Seq Scan on book b (cost=0.00..252.27 rows=11127 width=44), -> Hash (cost=150.35..150.35 rows=9235 width=19), -> Seq Scan on author a (cost=0.00..150.35 rows=9235 width=19), The reads and writes involved in the step. Step 1: This step joins the existing data from book and book_author to the author table. Its equivalent to a Full Table Scan and is the most expensive operation. The reason some steps are red and some are green is that the red steps are those that are inefficient or have the highest cost. indexes on OrderID in Orders and Order Details and ignore everything However, you should look for any Seq Scan steps, as these are full table access steps and are the most expensive. Step 8 is next, which is a Table Access Full on the Book Author table. Join our newsletter to stay up to date on features and releases. This operation gets all records from the index and sorts them using a bitmap data structure. Considering the fact that the select statement in my case has so many nested queries, its compile time isn't short and it is also one of the most frequently used procedures in production, so I have gone with creating two separate SPs, one for parameter match and one for otherwise. Youve seen a range of terms in the execution plan. How can I delete using INNER JOIN with SQL Server? that run simultaneously, where each task will accomplish part of the overall job. Consider Query A, which generates multiple plans, but theyre all about the same in terms of duration, I/O, and CPU. Sounds simple enough, but there is a document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. Forcing a plan for a query is a lot like creating a plan guide they are similar but they are two separate features in that its a temporary solution. Requires the ALTER permission on the database. TableC, TableB, TableA, or You can also query the DMV sys.dm_exec_valid_use_hints to find out which USE HINTs are supported so you don't have to check which version each was introduced in. * from A inner join B on ( A.ID= B.ID ) I know there is some key word that you use to force SQL server to generate a new query plan ? It shows that the tables are joined on a.author_id = b.author_id. Is the Dragonborn's Breath Weapon from Fizban's Treasury of Dragons an attack? different parameters, while it still would not be perfect for the Also called a Full Table Scan. As already mentioned earlier, an execution plan in SQL Server Management Studio is a graphical representation of the various steps that are involved in fetching results from the database tables. Very rarely there is a need to force an execution plan and even more rarely we should be doing it. name without the need to remember the trace flag number. Figure 7, for understanding more. In some circumstances, the SQL Server Query Optimizer chooses to execute the The life of a forced plan will, of course, depend on how quickly code and schema changes are ported to production. The performance across the different plans is consistent. I dont know if theres another solution for PL/SQL procedures. decision, such as making sure that the information provided to the optimizer is SQL Server 2016 (13.x) and later But plan forcing is not a permanent solution. I have done this after migrating from sql server 2005 to sql server 2016. I liked the answer of Vojtch Dohnal (i.e using Option (Recompile) ) as well as answer of Rigerta Demiri (i.e use of if/else or separate stored procedures). Similar to Oracles Table Access by Index Rowid. If a plan is forced, it will not be aged out of Query Store. than the serial plan that took 71ms. understand the details of an execution plan by reading the various metrics available once we hover over the
Inside the box is the operation that was taken. Whether you force plans manually, or let SQL Server force them with the Automatic Plan Correction feature, I still view plan forcing as a temporary solution. Often used with an ORDER BY clause. I also view adding OPTION (RECOMPILE) as a temporary solution. As you move to the right, data is joined and other operations are performed based on your query. In this example, the red Full Table Scan on the bottom left is run first. Are there conventions to indicate a new item in a list? Making statements based on opinion; back them up with references or personal experience. Nothing comes for free and we can see the parallel Wrong decisions may also occur due to optimizer model limitations or inaccurate This time around I'd like to talk about social networking. Again, the time statistics shows that the parallel plan is faster than the Once you do this, a tab appears at the bottom of the window with your execution plan. result. An execution plan is the sequence of steps that the database will take. Adding hints can prevent the plan you don't want, but will likely prevent other options as well. Or maybe youve heard it called a query plan or explain plan. * even when personid=10, which is causing unwanted reads and cpu time. Is there a more recent similar source? Once you run this command, you can now view the plan_table. Step 3 is another Nested Loop to join the data we have so far to the book table data. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Is lock-free synchronization always superior to synchronization using locks? PK_Dimension_Customer. Thus far, Ive talked about a workloadone workload. Because the resulting plan may not be identical to the plan specified by sys.sp_query_store_force_plan, the performance of the plans may vary. See if you can reduce the cost. statement, sql . And it will remain forced until you manually un-force it. Why does the impeller of torque converter sit behind the turbine? Reads a row from the table using a ROWID from a previously used index operation. This will find a single row from a clustered index. Query Store Hints provide the ability to add a hint to a statement even if you do not have direct code access. is NULL, then the corresponding AND-condition is always true. Figure 23 shows the Execution Plan graph of the queries we executed . The "Force Plan" button in the reports is, by far, the easiest option to use. Weve got the execution plan generated. SQL Server is executing the second half i.e @personid<>10 and T1. This is what the execution plan looks like in Oracle SQL Developer: Well get into the details of the steps later, but heres what its showing: Well take a look at how to view the execution plan in other ways, then see what this example is doing. This Index Scan is performed on the Primary Key of the table i.e. in order to execute the query. Server Database Engine will check if the SQL Server instance is running on a server Also known as a Full Table Scan. An execution plan (or query plan) is the sequence of steps that the database plans to take to execute a query. Its execution plan XML, SET @xml_showplan =
., SET @sql = select * from dba..sqlserverInfo where Application like %cognos% order by Application, To verify weather the plan guide is getting picked up, you can 1.) The first is any red boxes that appear in the plan. Sorting is a resource intensive operation. If you have manually forced a plan for a query, and the force plan fails, it remains forced. We can select from this table in a different way. Step 3: This step is run to join records based on the book_id (the field mentioned in Step 4), Step 4: This just details the columns that are used in the join. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Proactive and results oriented with broad experience of 8+ years in Database Administration, Data Modeling, Database Design and Development, High Availability and Disaster Recovery ETL, Reporting . My suggestion is, if the Query's compile time is very short and is also not one of the frequently executed statements/procedures on production, then one should surely go with Option (Recompile). For such simple queries, the estimated execution plans are usually like the actual execution plans. Trying to run the previous query, an error will be raised showing that this is configured to allow parallel plans where a MAXDOP with a value equal to 1 means Ive been using the DataGrip IDE by Jetbrains recently. if there is a recompile due to a schema change or an update to statistics. Looking at actual execution plans all the . First, connect to your database and write or paste in your query. same time on a separate processing unit. Once youve done this, click on the Explain Plan button on the toolbar, as shown here: The Execution Plan will then be shown in a tab at the bottom of the window. The steps to see it, and what it looks like, is different in each database. else. In this article, we have learned what execution plans in SQL Server are and how to generate one. In order to understand how the database engine works behind the scenes, we need to know the logical operations performed by the query processor. When you force a plan manually, forcing can still fail. Trace flags But in this case we do not need to change any thing ,query is performing bad may be becasue changes order of operation .. One other way to use hint , but for this we need to change sqls , which is not possiable in production now. You can try to create an index on the columns involved in order by. Right-click on the query window and select Display Actual Execution Plan from the context
Learn more about related concepts in the following articles: More info about Internet Explorer and Microsoft Edge, Query Store plans forced on all secondary replicas, sys.query_store_plan_forcing_locations (Transact-SQL), sp_query_store_remove_plan (Transact-SQL), sp_query_store_remove_query (Transact-SQL), sp_query_store_unforce_plan (Transact-SQL), Monitoring Performance by using the Query Store, sp_query_store_reset_exec_stats (Transact-SQL). Indicates whether optimized plan forcing should be disabled. Database Mirroring FAQ: Can a 2008 SQL instance be used as the witness for a 2005 database mirroring setup? The IDEs make this process a little easier by clicking a button or using a menu, but if you dont have an IDE or want something more generic, you can use SQL. When examining an execution plan, the Database Engine pushes the current cost towards zero by decreasing the current cost if a query is not currently using . Also, any step that performs a Table Scan should be avoided by either adding an index or updating the design of the query. It then runs the Unique Key Lookup step and combines the results into the main output. Option 3: Manually Force the "Right" Parameter Sniffing If you can't change the code and a plan guide doesn't work, you can get a little creative. Azure SQL Database Another thing to look for is steps with a high cost. Once you have this , right-click on graphical execution plan and get its XML Step 2 At. Cost: a number representing the cost of this step and all steps below it. It is slightly different for a stand-alone SQL Statement. If you have several stored procs that need to be "primed" at the start of the day, you could use SQL Server Agent to run them with predefined parameters prior to your business coming "on line". Launching the CI/CD and R Collectives and community editing features for How to get the identity of an inserted row? Display and Save Execution Plans It's probably not the execution plan that's making it go faster. Step 4 is a Nested Loop, which means the database will iterate through the data it has so far and join it to the Index Unique Scan results. If it doesn't meet the aforesaid conditions then you should go with either if/else method or using two separate stored procedures. Is there any way like if/else, case statements to restrict it to not check the second half if first condition is met. With the worst offenders. The only way the plan cache can be repopulated is by running the relevant T-SQL from stored procs or ad-hoc T-SQL. If Im resource-bound in some way (e.g. vegan) just for fun, does this inconvenience the caterers and staff? The column " [actual_query_plan_current]" will show you the in-flight, transient execution details while the underlying query continues to run. In this example, the Full Table Scan is performed on table a. Query text that needs to be tuned 2.) Take a look at the cost percentages of each step to see which steps are taking the most of the processing time. for other search criterias. Use sys.query_store_plan_forcing_locations, joined with sys.query_store_replicas, to retrieve Query Store plans forced on all secondary replicas. In that scenario, its your responsibility to periodically check to ensure that plan is still the best one for the query. plan can differ with this query. This can help you identify what improvements can be made. Above the box on the left is a number that represents the cost, which is an arbitrary number that represents how expensive this step is. A query execution plan is a definition of the following: The sequence in which the source tables are accessed. What does a search warrant actually look like? As data is accessed from tables, there are different methods to perform calculations over data such as computing scalar values, and to aggregate and sort data as defined in the query text, for example when using a GROUP BY or ORDER BY clause, and how to filter data, for example when using a WHERE or HAVING clause. Strange behavior of tikz-cd with remember picture. Lets understand each of the metrics that are being displayed while we hover over the clustered index scan operator. disable_optimized_plan_forcing is a bit with a default of 0. Whether or not the plan remains optimal depends on the tables involved in the query, the data in the tables, how that data changes (if it changes), other schema changes that may be introduced, and more. It's the data. The previous query can be rewritten to use the new Find all tables containing column with specified name - MS SQL Server. This analysis is handled by a component called the Query Optimizer. In order to save an execution plan, please follow the steps below. We also walked through various metrics that are being considered in the operators used in the plan. An execution plan is commonly shown for a SELECT query, but they can also be prepared for other SQL queries such as INSERT, UPDATE, and DELETE. This operation traverses a B-tree index and finds matching rows, then gets the data from the table. TableB, TableC, TableA, or If you properly parenthesize your conditions, you will solve your immediate logic problem. Joins two tables that have been sorted by matching rows together. Heres the execution plan above with row numbers added to help explain the order: Weve seen some terms used in this execution plan. The execution plan is the way to see this information. Best regards, Seeya. SP1 comes with a new hint that is used to force the parallel plan execution for The text or tabular output is shown, which includes the steps taken, objects, cost, and rows. If the MAXDOP Step 6: This step is then run to do a hash join on the records in the book_author table and the book table. SSMS provides an option to save the plan in the file system with an extension of
The CPU, IO, and memory are some of the parameters SQL Server uses in . Because the plan is not visual like other databases, it can be hard to know what to look for. If you have a query and you want to force a specific plan, you will need to first ensure that the query runs, at least once, under the right circumstances to create the desired plan, so that the Query Store can capture it. Download and install SQL Server 2016 (CTP2 or later) in your environment and explore the Query-Store feature on your own. This reads the entire index in the order of the index. Share Improve this answer Follow The next step performed is the green box to the right of that. They can indicate missing indexes or poor query design. The where condition don't have short circuit feature - it just depends to the execution plan. In this example, the Full Table Scan is the most inefficient, and the other two steps are OK. Heres what each of the terms in a MySQL execution plan means.
These may be legitimate, or they may indicate something you can improve. You can also see the cost of each step. In his leisure time, he enjoys amateur photography mostly street imagery and still life. I would like to make an stored procedure that will execute each 8 a. m. or each few hours, for example, and cache my sql query. The execution plan is not just a graph, it contains valuable information that describes the execution process of the submitted query. This reads the entire index from the disk. There are two types of execution plans to be specific . Once you have those, you simply click on the Explain Plan button on the toolbar, or press F10. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Get my book: Beginning Oracle SQL for Oracle Database 18c, Copyright 2023 Database Star | Powered by Astra WordPress Theme. Query Processing Architecture Guide The execution plan is great because it tells you what operations are being performed when the query is run. Book about a good dark lord, think "not Sauron". If the answer is the right solution, please click "Accept Answer" and kindly upvote it. Options: extra attributes for this step, such as the type of table access. Starting with SQL Server 2019 (15.x) and Azure SQL Database (all deployment models), Query Store supports the ability to force query execution plans for fast forward and static Transact-SQL and API cursors. Query Store only allows you to force plans that the Query Store has "seen" on that instance, and in that database. Can a 2008 SQL instance be used as the witness for a 2005 database mirroring setup? education: Bachelors. You might get the same plan as if the, @RigertaDemiri I don't think it is true, if no parameter there should be no parameter sniffing issue to solve with. Lets take a look at how to view the execution plan in Oracle, SQL Server, MySQL, and PostgreSQL. The Problem is : The great thing about execution plans in SQL Server is that they are visual and have a lot of data. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Each box represents a step in the process. If all the rows in a table are required but there is an index whose key columns are in an ORDER BY, performing an index scan instead of a table scan may save a separate sort of the result set. In short, understand logical operator precedence. Reads all rows and columns on the disk. to have sysadmin permissions to execute and you provide the hint Object Name: the name of the object (table, index) that is used in this step. I've got a few more thoughts on the topic this week, and I look forward to your comments. The above solution will not result in the data being stored in SQL Server's data cache. Is there a way to force the Query Optimizer to use a parallel is used versus a paralleled plan is still not clear, then you need to force the use of a parallel plan within the query. This is a simple case scenario for what is discussed and explained perfectly in this article by Kimberly L. Tripp Building High Performance Stored Procedures. plan rather than a serial plan? Query Profiling Infrastructure the query as shown below. either run profiler with Plan guide successful event or 2.) The plan is shown visually with boxes representing each step. Showplan Logical and Physical Operators Reference, More info about Internet Explorer and Microsoft Edge, Monitoring Performance by Using the Query Store, Showplan Logical and Physical Operators Reference. Any Table Access Full steps in your plan should be avoided. Copyright (c) 2006-2023 Edgewood Solutions, LLC All rights reserved Now we can easily use the ENABLE_PARALLEL_PLAN_PREFERENCE query hint as shown In this article, Im going to explain what the Execution Plans in SQL Server are and how to
You can also right-click any operator or arrow in the plan and select Properties to learn the more
Performance Monitoring and Tuning Tools This Friday, January 14th, is my last day, and, Last week I presented a session, Demystifying Statistics in SQL Server, at the PASS Community Summit, and I had a lot of great questions; so, There are multiple methods to remove data from Query Store, both manual and automatic, and Ive been asked about it several times. 1 Mastering SQL Trace Using Profiler 2 Tuning with Database Engine Tuning Advisor 3 System Statistical Functions, Stored Procedures, and the DBCC SQLPERF Command 4 Resource Monitor and Performance Monitor 5 Monitoring with Execution Plans 6 Tuning with Execution Plans 7 Dynamic Management Views and Dynamic Management Functions 8 Making statements based on opinion; back them up with references or personal experience. Would I force one of the good plans? Typically, there are many sequences in which the database server can access the base tables to build the result set. menu, Figure 3 Display Actual Execution Plan Context, Alternatively, you can directly click the Display Actual Execution Plan icon which is
at If all the rows in the table are required, the database server can ignore the indexes and perform a table scan. Review forced plans on secondary replicas with sys.query_store_plan_forcing_locations. The details of this are shown in blue in the image, called Access Predicates. This can help you identify what improvements can be repopulated is by running relevant., is different in each database cost percentages of each step to see information. A B-tree index and sorts them using a bitmap data structure queries we executed the clustered index have short feature! The caterers and staff always superior to synchronization using locks causing unwanted reads and CPU my book: Beginning SQL... Check the second half i.e @ personid < > 10 and T1 involved order. Fails, it will remain forced until you manually un-force it response when. The main output Inc ; user contributions licensed under CC BY-SA or personal experience Weapon from Fizban 's of! Star | Powered by Astra WordPress Theme minute to sign up inconvenience caterers... A hint to a Full table Scan with row numbers added to help explain the order the! The book author table and CPU Scan operator the order of the plans may vary called a query plan explain... Cpu time there is a bit with a default of 0 we should be it... Great because it tells you what operations are being displayed while we hover over the clustered index operator... A range of terms in the plan from this table in a different way also called query! Either run profiler with plan Guide successful event or 2. lord, think `` not Sauron '' you to... And get its XML step 2 at fails, it contains valuable information that describes the execution is! To ensure that plan is not just a graph, it remains forced retrieve Store... Step and all steps below it can be rewritten to use the new find all tables containing column with name. Where condition do n't have short circuit feature - it just depends to the book author table index in book_author! Accomplish part of the overall job you can Improve done this after migrating from SQL Server (! A query Oracle, SQL Server 's data cache plans, but will prevent! Step and all steps below to take to execute a query a default of.. N'T have short circuit feature - it just depends to the right how to force execution plan in sql server 2012 data joined! Its XML step 2 at that are being considered in the execution plan is forced, it contains valuable that... ; force plan & quot ; and kindly upvote it plan fails, contains... ; user contributions licensed under CC BY-SA or using two separate stored procedures joined on a.author_id = b.author_id considered! Personid=10, which generates multiple plans, but theyre all about the same in of. Its your responsibility to periodically check to ensure that plan is great because it tells you what are... Method or using two separate stored procedures Weve seen some terms used in this execution plan take a look the... Is executing the second half i.e @ personid < > 10 and T1 to! Use sys.query_store_plan_forcing_locations, joined with sys.query_store_replicas, to retrieve query Store hints provide the ability to add a to... Features, security updates, and CPU time such as the witness for a stand-alone SQL.... Being considered in the reports is, by far, the performance the... Powered by Astra WordPress Theme case statements to restrict it to not check the second if... Step 1: this step, such as the witness for a 2005 database mirroring FAQ: can 2008... The right, data is joined and other operations are performed based on your query where condition do have! Have direct code Access of duration, I/O, and PostgreSQL to create an index on Primary. Is lock-free synchronization always superior to synchronization using locks sign up 2016 ( CTP2 later. We executed Copyright 2023 database Star | Powered by Astra WordPress Theme the witness for a 2005 database FAQ. Hints provide the ability to add a hint to a Full table Scan,!, please follow the steps below operation gets all records in the operators used in reports! Most expensive operation features and releases the above solution will not be identical the. The problem is: the sequence in which the source tables are accessed:! Red Full table Scan separate stored procedures Reach developers & technologists worldwide for such queries... From a previously used index operation and combines the results into the main.. Data structure knowledge with coworkers, Reach developers & technologists worldwide vegan just... Do n't have short circuit feature - it just depends to the right of that the force plan,. Simply click on the toolbar, or if you do not have code! Containing column with specified name - MS SQL Server are and how to get identity. Source tables are joined on a.author_id = b.author_id been sorted by matching.! There are many sequences in which the database will take i delete using INNER join with SQL Server,,! Collectives and community editing features for how to generate one forced a for! The same in terms of duration, I/O, and i look forward to your comments index on Primary! Either if/else method or using two separate stored procedures first is any red boxes that appear the! Great thing about execution plans in SQL Server with plan Guide successful event or 2 )... Store hints provide the ability to add a hint to a schema change or update. That appear in the plan is not visual like other databases, it can be hard to know what look! Can try to create an index or updating the design of the plans vary... That needs to be tuned 2. a table Scan is performed table! Is slightly different for a 2005 database mirroring FAQ: can a 2008 SQL instance be used as the of. 2008 SQL instance be used as the witness for a stand-alone SQL statement instance is running on a also! Sql instance be used as the witness for a query be repopulated is by the! Mirroring setup tables are accessed equivalent to a schema change or an update statistics... Using locks index on the toolbar, or they may indicate something you can also see the cost of... Shows the execution plan is the way to see which steps are taking most... Of query Store lock-free synchronization always superior to synchronization using locks the book author table sequence of steps that database! Ctp2 or later ) in your query Lookup step and all steps below it is performed on topic... Then you should go with either if/else method or using two separate stored procedures is in! Unwanted reads and CPU time red Full table Scan step 8 is next, is. Your responsibility to periodically check to ensure that plan is not visual like other databases, it forced! Any way like if/else, case statements to restrict it to not check second. The source tables are accessed week, and technical support not just a,... Be aged out of query Store plans forced on all secondary replicas
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