Get SQL server database size, location and volume info using DMVs
SELECT * FROM sys.master_files AS f
CROSS APPLY sys.dm_os_volume_stats(f.database_id, f.file_id) v;
2018-04-23
326 reads
2018-04-20
Easy to use WMI commands to query windows system
WMI has been around for a while and it has grown significantly over the years. With Microsoft's focus on powershell,...
2018-04-20
11,948 reads
SQL query to shrink all log files on sql instance
USE master
exec sp_MSforeachdb '
use [?]
print ''?''
print cast(databasepropertyex(''?'', ''Updateability'') as varchar(200))
if databasepropertyex(''?'', ''Updateability'') = ''READ_WRITE ''
dbcc shrinkfile(2,1)
'
2018-04-20
311 reads
T-SQL Developer Interview Questions with Answers
What SQL command do you use to pull and filter data from a table ?
SELECT [Column List] FROM [Table Name]...
2018-04-20
423 reads
Generate SQL script to extract user permissions from a SQL database
When you restore a database, it will also restore all permissions along with it. But what if you are restoring...
2018-04-19
11,740 reads
How to check whether and when sql index statistics were updated last time?
I was working for a client on their very critical and heavily used database. The application was an E-commerce website...
2018-04-19
6,858 reads
How to start SQL Server job using TSQL and wait for it to complete?
If you ever had a need to start a SQL job using sp_start_job stored procedure in msdb then you know...
2018-04-19
15,505 reads
SQL server database size, location and volume info
For one of my clients, I needed to know and document not only database names, size and locations but also...
2018-04-19
578 reads
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Question of the Day
The Read Committed Snapshot Isolation behaviour
I am currently working with Sql Server 2022 and AdventureWorks database. First of all, let's set the "Read Committed Snapshot" to ON:
use master; go alter database AdventureWorks set read_committed_snapshot on with no_wait; goThen, from Session 1, I execute the following code:
--Session 1 use AdventureWorks; go create table ##t1 (id int, f1 varchar(10)); go insert into ##t1 values (1, 'A');From another session, called Session 2, I open a transaction and execute the following update:
--Session 2 use AdventureWorks; go begin tran; update ##t1 set f1 = 'B' where id = 1;Now, going back to Session 1, what happens if I execute this statement?
--Session 1 select f1 from ##t1 where id = 1;See possible answers