Answers.SQLPerformance.com - Archive

this query timeout many times and runs successfully other times

Mujeeb 2016-04-28

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INTERSECT bug?

JamesB 2016-04-27 1

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Need help in tuning this select query which takes 2hrs

Nainesh 2016-04-27 5 1

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Optimize the nested loop join

sqlworldwide 2016-04-27 1 1

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Help to improve this update statment that takes 5:43 hours

amr massoud 2016-04-26 1 1

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Lesser estimated rows compared to actual no of rows

SQLDB 2016-04-26 2 1

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SQL Server Memory is full and application is hanging

Saketh.K 2016-04-26 1 2

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Estimated way too less compared to Actual no of rows

SQLDB 2016-04-25 1

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Takes 4 minutes before Update Statistics and 4 seconds after

Garry B 2016-04-20

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I'm trying to understand why the table spool outputs 15 million rows when the table is only 2500 rows and why the query is slow

Tony Green 2016-04-19 2 1

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Combination of JOIN and ORDER BY is slow

osvaldas 2016-04-16 1

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Client's report is timing out. I'm at a loss as to where to begin trying to fix this mess.

Chris – CSC 2016-04-15 1

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GroupItem with Index result set

Guru 2016-04-15

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Why reading more rows if I add non clustered index

Guru 2016-04-15 3 1

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How to avoid deadlocks while UPDATE

hema 2016-04-12 1

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Implicit conversion uses a better plan

Peachy 2016-04-11 1

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TFS runs this query when deploying

Henrik Staun Poulsen 2016-04-08 1 1

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Help with removing the sort form the plan

Matak 2016-04-08 1

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improve query performance

nicebuddyraghu 2016-04-06 1 1

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Why does COALESCE result in slow exec plan

swinstead 2016-04-05 1 1

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need the review of plan and recommendations

cse005 2016-04-05 1 1

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SQL 20014 cardinality estimator causing poor porformance and bad plan

KDR 2016-04-01 1 1

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