Month: May 2017

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SQL Server – Check Database Properties

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The T-SQL query below can be used to check the properties of your databases.

USE master
GO
SELECT  name AS 'Database_Name' ,
        snapshot_isolation_state AS 'Allow Snapshot Isolation' ,
        is_ansi_null_default_on AS 'ANSI NULL Default' ,
        is_ansi_nulls_on AS 'ANSI NULLS Enabled' ,
        is_ansi_padding_on AS 'ANSI Paddings Enabled' ,
        is_ansi_warnings_on AS 'ANSI Warnings Enabled' ,
        is_arithabort_on AS 'Arithmetic Abort Enabled' ,
        is_auto_close_on AS 'Auto CLOSE' ,
        is_auto_create_stats_on AS 'Auto Create Statistics' ,
        is_auto_shrink_on AS 'Auto Shrink' ,
        is_auto_update_stats_async_on AS 'Auto Update Statistics Asynchronously' ,
        is_auto_update_stats_on AS 'Auto Update Statistics' ,
        is_cursor_close_on_commit_on AS 'Close Cursor on Commit Enabled' ,
        is_concat_null_yields_null_on AS 'Concatenate Null Yields Null' ,
        is_db_chaining_on AS 'Cross-Database Ownership Chaining Enabled' ,
        is_date_correlation_on AS 'Data Correlation Optimization Enabled' ,
        is_read_only AS 'Database Read-Only' ,
        is_local_cursor_default AS 'Default Cursor' ,
        is_encrypted AS 'Encryption Enabled' ,
        is_arithabort_on AS 'Numeric Round-Abort' ,
        page_verify_option_desc AS 'Page Verify' ,
        is_parameterization_forced AS 'Parameterization' ,
        is_quoted_identifier_on AS 'Quoted Identifiers Enabled' ,
        is_read_committed_snapshot_on AS 'Read Committed Snapshot' ,
        is_recursive_triggers_on AS 'Recursive Triggers Enabled' ,
        user_access_desc AS 'Restrict Access' ,
        is_broker_enabled AS 'Service Broker Enabled' ,
        is_trustworthy_on AS 'Trustworthy'
FROM    sys.databases ;
GO
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SQL Server – Top Queries Consuming CPU

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Below is a script that captures that top SQL queries consuming CPU.

SELECT TOP 50
[Avg. MultiCore/CPU time(sec)] = qs.total_worker_time / 1000000 / qs.execution_count,
[Total MultiCore/CPU time(sec)] = qs.total_worker_time / 1000000,
[Avg. Elapsed Time(sec)] = qs.total_elapsed_time / 1000000 / qs.execution_count,
[Total Elapsed Time(sec)] = qs.total_elapsed_time / 1000000,
qs.execution_count,
[Avg. I/O] = (total_logical_reads + total_logical_writes) / qs.execution_count,
[Total I/O] = total_logical_reads + total_logical_writes,
Query = SUBSTRING(qt.[text], (qs.statement_start_offset / 2) + 1,
(
(
CASE qs.statement_end_offset
WHEN -1 THEN DATALENGTH(qt.[text])
ELSE qs.statement_end_offset
END - qs.statement_start_offset
) / 2
) + 1
),
Batch = qt.[text],
[DB] = DB_NAME(qt.[dbid]),
qs.last_execution_time,
qp.query_plan
FROM sys.dm_exec_query_stats AS qs
CROSS APPLY sys.dm_exec_sql_text(qs.[sql_handle]) AS qt
CROSS APPLY sys.dm_exec_query_plan(qs.plan_handle) AS qp
where qs.execution_count > 5 --more than 5 occurences
ORDER BY [Total MultiCore/CPU time(sec)] DESC
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SQL Server – Check Database Mirroring Status

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Below is a script to check the database mirroring synchronization state.

SELECT 
	@@SERVERNAME as Server_Name,
	DB_NAME(database_id) as Database_Name,  
	mirroring_state_desc,
	mirroring_role_desc,
	mirroring_safety_level_desc
FROM 
	sys.database_mirroring
WHERE  
	mirroring_role IS NOT NULL

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SQL Server – Get Size of All Databases in MB and GB

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The script below will retrieve the size of all your databases in MB and GB.

 SELECT d.NAME
    ,ROUND(SUM(CAST(mf.size AS bigint)) * 8 / 1024, 0) Size_MBs
    ,(SUM(CAST(mf.size AS bigint)) * 8 / 1024) / 1024 AS Size_GBs
FROM sys.master_files mf
INNER JOIN sys.databases d ON d.database_id = mf.database_id
WHERE d.database_id > 4 -- Skip system databases
GROUP BY d.NAME
ORDER BY d.NAME

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