Found this useful for database migrations. This helps to identify how much space will need to be allocated for a new server and how a SQL Sever instance is using discs currently. Note. This won't show correct information on Linux instances and if you use mounting points in Windows.
2021-04-23 (first published: 2021-04-19)
1,027 reads
An alternative for Microsoft's STRING_SPLIT function that will work on SQL Server 2012 and higher.
2021-03-11 (first published: 2021-03-05)
2,574 reads
Wanted to share this script to the community just in case anyone out there may be search for a way to allow a hosted customer the ability to query certain DMVs for information without granting them View Server State. There are some other options out there, but this worked better for me after going through […]
2020-09-24
2,425 reads
See how to find those files that are not in use, but are taking up space on your instance.
2020-09-22 (first published: 2020-09-21)
2,554 reads
This function returns a 3 year calendar based on a 4-5-4/5-4-4/4-4-5 calendar, also known as a 52/53 week calendar. The basis of this calendar function was derived from the NRF retail calendar published at https://nrf.com/resources/4-5-4-calendar and the Wikipedia article published at https://en.wikipedia.org/wiki/4%E2%80%934%E2%80%935_calendar. The calendar function requires 2 helper functions. The helper functions were derived from […]
2020-09-21 (first published: 2020-09-15)
2,972 reads
I have explored the SQL Server 2019, Intelligent Query Processing Feature – “Table Variable Deferred Compilation”.
The script contains some theory at the top and links to read.
After that, there are required queries to run on SQL Server 2019.
This way we can see the feature in action and look at it's strengths and caveats.
2020-08-03
1,736 reads
I bet, each DBA would change some settings after the SQL Server installation as per their company standard . I wrote this PowerShell script for one of my client who has below standards: Port should be 1433, static Disable SQL telemetry* & SQLWriter services Change recovery model to FUll for all databases except tempdb and […]
2020-07-02 (first published: 2020-06-21)
2,725 reads
Lately, I'm dealing with lots of DB migrations and came across situation that I have no proper dynamic script to move DB files to different location. There are an option to proceed manually scripting one by one DB and execute it. Another option is detach attach DB - I'm not a big fan of this […]
2020-07-01 (first published: 2020-06-24)
1,870 reads
Insert multiple rows in the table using insert syntax which is the same as single insert rows. So, we have to use value likewise, single rows than there is the same process but include coma and insert the value of another row in your query. In this paragraph, we were given a syntax with insert […]
2020-06-29
1,331 reads
Avoid conversion errors when using UNION to stack rows from multiple tables.
2020-06-19 (first published: 2020-06-16)
3,979 reads
When I put together the invitation for T-SQL Tuesday #202, I wasn't sure what...
By Steve Jones
My life has some crazy travel stretches for sure. Between speaking, office visits, customer...
In Part 1, we saw how ‘Vamana’ represents vectors as nodes, connects them with...
Comments posted to this topic are about the item Server-Level Table sizes
Comments posted to this topic are about the item Optional Parameter Plan Optimization in...
There is a table tmp_tab:
CREATE TABLE tmp_tab ( id int, val int );
INSERT INTO tmp_tab VALUES (1, 1), (2, NULL), (3, 3), (4, 4), (5, 5);You want to order the rows ids by the following expression:
ISNULL(val, id) + 1Which of the following queries produces the expected ordering and why? (Select all correct) See possible answers