Category: SQL Server
-
How Can I Aggregate Consecutive Duplicate Rows in SQL with Start and End Times?
When working with log data in SQL, particularly when it includes consecutive duplicate entries, it’s common to face the challenge of efficiently summarizing this data. Recently, I came across this task where I needed to compress consecutive duplicates into single rows that show the start and end time of the duplicate sequence, as well as…
-
How Can I Ensure the Order of Rows Inserted from XML Matches the Retrieval Order in SQL Server?
One common issue with database management is preserving the order of data during insertion and retrieval. SQL doesn’t inherently store an order for rows in a table unless explicitly stated; they are stored in a heap or clustered index defined by primary keys or indexes which may not relate to insertion order. This issue surfaces…
-
Can Parameterizing GETDATE()/GETUTCDATE() Improve SQL Server Execution Plan Reuse?
In the world of SQL Server, performance tuning and optimization are crucial elements in managing a robust and efficient database environment. One of the ways to achieve optimization is through effective use of execution plans. An execution plan in SQL Server is a roadmap for how the SQL Server query optimizer will execute the SQL…