Linked Server and distributed queries Machine Learning Services (in database) Queries, stored procedures, views, functions, triggers (T-SQL) Replication, Change Tracking, Change Data Capture Startup, shutdown, restart issues (instance or database) SQL Server resource usage (CPU, Memory, Storage)...
view=sql-server-ver16&tabs=ssmsver After executing the script, I get "Query completed with errors", but I do not actually know what the errors are. The database was added and I see all of the tables, but when I query the tables, there is no data. For context, I am using a ...
Learn how row-level security uses group membership or execution context to control access to rows in a database table in SQL Server.
Scenario 2: Multiple queries perform differently on the two serversIf multiple queries run slower on one server than the other, the most probable cause is the differences in server or data environment. Go to Diagnose environment differences and see if the comparison between the two s...
All MonthNames and Month numbers in sql server All queries combined using a UNION, INTERSECT or EXCEPT operator must have an equal number of expressions in their target lists. all the events in the workload were ignored due to syntax errors.the most common reason for the error would be data...
Applies to: Starting with SQL Server Management Studio v18.0 and SQL Server 2017 (14.x). Tracked QueriesTrack the execution of the most important queries in real time. Typically, you use this view when you have queries with forced plans and you want to make sure that query performance is ...
Gets or sets the string used to open a SQL Server database. C#Copy publicoverridestringConnectionString {get;set; } Property Value String The connection string that includes the source database name, and other parameters needed to establish the initial connection. The default value is an empty ...
If CPU (worker) time is very close to the overall elapsed duration, the query spends most of its lifetime executing. Typically, when the SQL Server engine drives high CPU usage, the high CPU usage is coming from queries that drive a large number of logical reads (the most common reason)...
For example, if a query comes in during an idle time, the server may choose to run with a parallel plan and use a DOP of four and spawn up threads on four different processors. Once those threads start executing, existing connections may submit other queries that also require a lot of ...
and used to trigger alerts. While SQL Server provides a good selection of built-in performance counters, only your specific environment and applications can determine which metrics are especially indicative of the health of your servers. Queries against the system tables are a key first step towards...