When was data last updated in a table?
For example, create a table to store object_id and last seek/scan/update. Every n minutes, take a snapshot of the DMV. Then check the max in the snapshot, and if it’s greater than the max in the rollup, update the rollup. You can keep the snapshots as history or you can clean them up over time once you’ve coalesced.
Is there a way to recover data from a dropped table?
However, if that’s not the case, either because the database objects and data have been changed after the DROP SQL statement was executed or because you don’t have a valid database backup, there is still a way to recover all of your lost data Namely, each DROP operation is logged to the SQL Server transaction log.
What happens when you update a table in SQL Server?
The above statement will be updating the table with non-critical information meaning that if it skips some records the first time, it can update them the second time and so on. If even one of the other UPDATE statements has locked a row that needs to be modified by your UPDATE statement, this will cause the latter to wait (blocking).
How can I recover lost data from SQL Server?
To execute the script from the script editor, click the Execute button or press F5 and the lost data will be restored into the database. So remember, if you unintentionally used DELETE/UPDATE, you can still recover the lost database data, in many cases, with ApexSQL Log or ApexSQL Recover
When do you not need to update the date in a table?
I promptly suggested him that if a table contains UpdatedDate or ModifiedDate date column with default together with value GETDATE (), he should make use of it. On close observation, the table is not required to keep history when any row is inserted.
How to find out table’s read / write statistics?
This query result can be exported to CSV file and then using excel formulas you can easily calculate read/write ratio. Very useful while planning indexes on a table To determine an appropriate fill factor for a table’s indexes, you need to look at the number of page splits occuring.
How to find the last date on a table?
Hi, When looking for the Updated Date/Time on a table you have to take into account the Index and Partition as well. This is because SQL maintains separate metadata for each index part in each partition your table resides in… so you could update an index without updating the data.