To learn more about metrics, see Monitoring metrics in an Amazon Aurora cluster. When your Aurora Serverless v1 DB cluster has no active connections, it can scale down to zero capacity (0 ACUs). To learn more, see Pause and resume for Aurora Serverless v1. When it does need to ...
Why isDestroyedCountalways 0 for a data source which has not setmax-pool-sizeandmin-pool-size? What is use ofidle-timeout-minutesin datasource? We are relying onidle-timeout-minutesto flush idle connections and get below errors: Raw ...
and the query conditions wrapped in {{ }} in the sql statement will expand and participate in the query.If active is false, the sql The query condition wrapped in {{ }} in the statement is automatically replaced with an empty string and does not participate in the query.In order to mak...
Data skew is a common issue during the execution of SQL jobs. When data is unevenly distributed, some compute nodes process significantly more data than others, which can
Transactions should consist of only the SQL statements or PL/SQL blocks that comprise one consistent change to the data.A transfer of funds between two accounts (the transaction or logical unit of work), for example, should include the debit to one account (one SQL statement) and the credit...
The first thing I will do is add a column for the DaysSinceLastOrder in order to simplify the logic. The following T-SQL can be used to conditionally add a column to an existing table (i.e. add the column if it does not exist, otherwise do nothing): ...
What about SQL Server on Linux? A common question is how to enable DTC (MSDTC and/or XA) with SQL Server on Linux. The answer today is you can’t. The SQL Server ODBC driver for Linux does not support SQL_COPT_SS_ENLIST_IN_DTC or SQL_COPT_SS_ENLIST_IN_DTC and...
the same time. To prevent this situation SQL Server uses a so called “resource semaphore”. This ensures that the sum of all memory grants allocated to executing queries does not exceed the total memory of the server. When the sum of memory grants is exhausting the available memory on the...
For performance, SQL Server does not actually delete a row of data when requested by a transaction. By not incurring this cost when the transaction is executing, performance is enhanced. Additionally, less work needs to be done should the transaction eventually be rolled back. Instead, SQL ...
[SQL Server Native Client 11.0]Connection is busy with results for another command [closed] [win 10, c#] Interop - Generic way to know if a window is Minimized, Maximized or Normal? [Y/N] Prompt C# \r\n not working! \t is not working but \n does #C code to Read the sectors on...