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Blog Post

Find Most executed queries

SELECT TOP 50
QueryState.execution_count
,OBJECT_NAME(objectid)
,query_text = SUBSTRING(
qt.text,
QueryState.statement_start_offset/2,
(CASE WHEN QueryState.statement_end_offset = -1
THEN len(convert(nvarchar(max), qt.text)) * 2
ELSE QueryState.statement_end_offset
END - QueryState.statement_start_offset)/2)
,qt.dbid
,dbname = db_name(qt.dbid)
,qt.objectid
FROM sys.dm_exec_query_stats QueryState
CROSS APPLY sys.dm_exec_sql_text(QueryState.sql_handle) as qt
ORDER BY...

2018-09-18

2,126 reads

Blog Post

Get all queries running against any specific table

/*Get list of all queries hitting any specific tables*/SELECT DISTINCT TOP 100ProcedureName = OBJECT_SCHEMA_NAME(sqlTxt.objectid) + '.' + OBJECT_NAME(sqlTxt.objectid),SQLStatement = SUBSTRING(sqlTxt.Text,(QueryState.statement_start_offset/2)+1,CASE QueryState.statement_end_offsetWHEN -1 THEN DATALENGTH(sqlTxt.text)ELSE QueryState.statement_end_offsetEND...

2018-09-18

3,912 reads

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Question of the Day

Switching Schemas I

I run this query: 

SELECT 
 s.name AS schemaname
 , o.name AS objectname
 FROM sys.objects o
 INNER JOIN sys.schemas s ON s.schema_id = o.schema_id
 WHERE o.name = 'Beer'
I get one row back for an object named dbo.beer. There is an ETL schema and both of these are nonpartitioned tables. I run this code: 
ALTER TABLE dbo.beer switch TO etl.beer
What happens?

See possible answers