OsirisDBA’s gists

OsirisDBA / alwayson_database_status.sql

Created August 20, 2025 19:21

AlwaysOn Status

	SELECT
	ar.replica_server_name,
	adc.database_name,
	ag.name AS ag_name,
	drs.is_local,
	drs.is_primary_replica,
	drs.synchronization_state_desc,
	drs.is_commit_participant,
	drs.synchronization_health_desc,
	drs.recovery_lsn,

OsirisDBA / gist:3c0c5f4d9445a3af958b9772ff29e7a9

Created January 3, 2024 21:05

Plan Summary for single query ( Resource Consumers, Memory Consumption, Total )

	exec sp_executesql N'WITH
	bucketizer as
	(
	SELECT
	rs.plan_id as plan_id,
	rs.execution_type as execution_type,
	SUM(rs.count_executions) count_executions,
	DATEADD(d, ((DATEDIFF(d, 0, rs.last_execution_time))),0 ) as bucket_start,
	DATEADD(d, (1 + (DATEDIFF(d, 0, rs.last_execution_time))), 0) as bucket_end,
	ROUND(CONVERT(float, SUM(rs.avg_query_max_used_memoryrs.count_executions))/NULLIF(SUM(rs.count_executions), 0)8,2) as avg_query_max_used_memory,

OsirisDBA / AutomaticSeedingStatus.sql

Created October 9, 2023 19:05

Status Query for SQL Server Availability Group Automatic Seeding

	WITH x
	AS ( SELECT local_database_name
	, remote_machine_name
	, role_desc
	, internal_state_desc
	, transfer_rate_bytes_per_second / 1024 / 1024 AS transfer_rate_MBps
	, transferred_size_bytes / 1024 / 1024 AS transferred_size_MB
	, database_size_bytes / 1024 / 1024 AS Database_Size_MB
	, is_compression_enabled
	FROM sys.dm_hadr_physical_seeding_stats )

OsirisDBA / Tables By Size with Compression option

Last active October 19, 2022 14:44

This gives the command to compress SQL Server tables if they aren't already compressed. For SQL Express, remove the ONLINE=ON option


	SELECT --TOP 100
	s.name + '.' + t.Name AS [Table Name],
	part.rows AS [Total Rows In Table - Modified],
	CAST((SUM( DISTINCT au.Total_pages) * 8 ) / 1024.000 / 1024.000 AS NUMERIC(18, 3))
	AS [Table's Total Space In GB],
	'ALTER TABLE [' + s.name + '].[' + t.Name + '] REBUILD PARTITION = ALL WITH (DATA_COMPRESSION = PAGE, ONLINE=ON);' AS [daSQL]
	FROM
	SYS.Tables t INNER JOIN sys.schemas s ON t.schema_id = s.schema_id
	INNER JOIN SYS.Indexes idx ON t.Object_id = idx.Object_id

OsirisDBA / sql_table_metadata.sql

Created August 16, 2021 15:41

SQL Server Table Metadata

	DECLARE @SchemaName sysname = ''
	, @TableName sysname = '';

	WITH pk /* Primary Keys */
	AS ( SELECT t.object_id
	, pkc.column_id
	, ic.index_column_id pk_index
	, pk.name AS pk_name
	FROM sys.tables t
	JOIN sys.schemas s ON s.schema_id = t.schema_id

OsirisDBA / Get-DBARegistryRoot example.ps1

Last active April 13, 2021 21:56

Remotely setting a SQLServerAgent registry value with dbatools help

	import-module dbatools
	$TargetServer = "MyRemoteComputer"
	$regRoot = Get-DbaRegistryRoot -ComputerName $TargetServer

	# Reading a key
	Invoke-Command -ComputerName $regRoot.ComputerName -ScriptBlock {
	param($r)
	Get-ItemProperty -Path "$($r.RegistryRoot)\SQLServerAgent" -Name MSXEncryptChannelOptions
	} -ArgumentList $regRoot

OsirisDBA / AdventureWorks2017.puml

Created August 9, 2019 14:35

AdventureWorks2017 PlantUML ERD


	@startuml
	skinparam linetype ortho
	hide circle
	skinparam roundcorner 20
	title AdventureWorks2017
	Entity dbo.AWBuildVersion #62A9FF {
	* "SystemInformationID" : tinyint
	--
	"Database Version" : nvarchar(25)

OsirisDBA / MakeERD.ps1

Created August 9, 2019 14:20

	param(
	$SqlInstance = 'SQLSRV01',
	$Database = "AdventureWorks2017"
	)

	import-module dbatools;

	if ( $SqlInstance.GetType() -ne 'Server' ) {
	$inst = Connect-DbaInstance -SqlInstance $SqlInstance.ToString()
	}

OsirisDBA / TestLastBackup.ps1

Created January 15, 2019 22:11

Restore and DBCC testing with dbatools

	import-module dbatools

	$CMSInstance = "MyCMSInst"
	$Test2014Instance = "SQL2014"
	$Test2017Instance = "SQL2017"
	$InventoryInst = "MYINV"
	$InventoryDB = "DBATools"
	$InventoryTable = "BackupTestResults"

	Enum SQLVersionMajor {

OsirisDBA / TestLastBackup.ps1

Created December 20, 2018 20:25

Testing last backup

Frank Henninger OsirisDBA