Copy Data from PROD to DEV

PROD DB -> Localhost DB -> DEV DB Create database on Localhost On Localhost, create Linked Server to PROD DB Copy data from PROD DB to Localhost DB Once the data is in Localhost, create a SQL backup of the Localhost database Copy the backup file to DEV DB and restore the database to DEV... » read more

AlwaysOn and Transaction Log

Availability Groups must retain all transaction log records until they have been distributed to all secondary replicas. Slow synchronization to even a single replica will prevent log truncation. If the log records cannot be truncated your log will likely begin to grow. This becomes a maintenance concern because you either need to continue to expand... » read more

AlwaysOn Synchronous vs Asynchronous

Availability modes There are two availability modes, synchronous commit and asynchronous commit. Selecting a mode is equivalent to selecting whether you want to favor data protection or transaction performance. Both availability modes follow the same work flow, with one small yet critical difference. With synchronous commit mode, the application does not receive confirmation that the... » read more

Database Partition and Performance

A partitioned table is one where the data is separated into smaller physical structures based on the value for a specific column (called the partitioning column, which is defined in the partition function). If you want to separate data by year, you might use a column called DateSold as the partitioning column, and all data... » read more

Azure SQL: Recover Deleted Records

Via Azure Portal, restore a copy of the database from a backup at specific point in time. Via SSMS, copy over deleted records from recovered database back to the original database. Note: In Azure Portal, go to the original database and select “Retore”. Select a point in time before the accidental delete occurred. Time is... » read more