Viewing 15 posts - 166 through 180 (of 700 total)
November 9, 2018 at 3:01 am
polkadot - Wednesday, November 7, 2018 12:38 PMLarge datatypes require more space to index as well, don't they?
With character data, no.
Physically, there's...
November 7, 2018 at 3:30 pm
Memory allocated for the execution of a query is based on the assumed row width. The assumed row width is not based on reality - it's based on the declared...
November 7, 2018 at 2:12 am
October 31, 2018 at 10:37 pm
When moving to a new cluster, you will have to transfer the databases, logins, jobs, AGs, etc. to the new cluster and instances. If you plan to use Automatic Seeding...
October 26, 2018 at 7:09 pm
Look at the Remote Object name in the Remote Scan. It's an object called 'IndexAnalysis'. It's not an actual table, but a chunk of memory.
You're using a DMF...
October 24, 2018 at 11:41 am
If you partition the table on the @@SPID value, then you don't need any of that lock-checking mess; everything gets its own partition. (You'll need to align your indexes for...
October 23, 2018 at 8:10 pm
October 19, 2018 at 1:58 pm
When a sql:variable() value is substituted in the query, it is treated as a literal string, wrapped in double-quotes, instead of as an XML node test.
Literal strings used by...
October 19, 2018 at 10:25 am
Adding...
If you are comparing node values to a variable, use sql:variable("@VariableName") in the XPath.
If you are comparing to another column in the query, use sql:column("ColumnName")
[code...
October 15, 2018 at 3:07 pm
October 15, 2018 at 2:44 pm
Leave the current DataMart online while you prepare the new one:
- Create a new database on the DataMart
- ETL-load that database from your DWH while the current database...
October 10, 2018 at 3:12 pm
Following up, I rebuilt the table with row-level compression and ran the tests again. The results were the same. The in-memory representation of the data is based not on the...
October 1, 2018 at 3:32 pm
The counter argument is that while data stored on disk and persisted in the data cache uses actual size (if you use Unicode compression when nvarchar(columns) that hold ASCII...
September 30, 2018 at 1:08 am
When you deleted the column, the contents already on disk were not deleted. New rows will go in without the column, but the old data stays on disk until you...
September 20, 2018 at 12:03 pm
Viewing 15 posts - 166 through 180 (of 700 total)