How Would You Find Out Whether A SQL Query Is Using The Indices You Expect?
May 16, 2004Hello, everyone:
This is testing question from a tesing seb site. Any reply will be appreciated.
ZYT
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Query Optimizer Does Not Use The Index I Expect
Jun 27, 2007I am trying to resolve performance issues in a third party application. I have run the profiler and found a transaction that performs a table scan against a 6 million row table. This transaction occurs repeatedly, so I thought, just add an index on the columns in the where clause used here. After adding the index, I looked at the estimated execution plan in Query analyzer, and I find that it is still performing the table scan. If I run the query it takes over 60 seconds to run, if i add an index hint, it runs in under a second. I ran DBCC SHOW_STATISTICS to see if the statistics were up to date:
Statistics for INDEX 'IX_Finish_dept'.
Updated Rows Rows Sampled Steps Density Average key length
-------------------- -------------------- -------------------- ------ ------------------------ ------------------------
Jun 26 2007 5:18PM 6832336 6832336 150 2.1415579E-7 18.0
(1 row(s) affected)
All density Average Length Columns
------------------------ ------------------------ ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
2.1875491E-7 8.0 finish
1.9796084E-7 18.0 finish, dept
(2 row(s) affected)
RANGE_HI_KEY RANGE_ROWS EQ_ROWS DISTINCT_RANGE_ROWS AVG_RANGE_ROWS
------------------------------------------------------ ------------------------ ------------------------ -------------------- ------------------------
1900-01-01 00:00:00.000 0.0 106110.0 0 0.0
2001-02-01 17:00:00.000 54121.0 47.0 22951 2.3581107
2001-02-28 17:00:00.000 44436.0 22.0 18121 2.4520473
2001-04-06 00:00:00.000 56830.0 76.0 24902 2.2820544
2001-08-10 17:00:00.000 196491.0 19.0 88800 2.2127116
2001-09-02 17:00:00.000 33070.0 50.0 15289 2.162993
2001-10-05 17:04:59.997 57975.0 30.0 22882 2.5335402
2001-11-05 15:31:59.997 50178.0 21.0 20899 2.4008613
2001-12-10 17:00:00.000 55266.0 38.0 25114 2.2006052
2002-01-03 17:00:00.000 40322.0 51.0 18649 2.1620376
2002-02-25 17:00:00.000 86338.0 24.0 39266 2.1987979
2002-08-15 06:11:00.000 296085.0 166.0 124526 2.3776772
2002-10-07 21:18:59.997 88727.0 826.0 39017 2.2740018
2002-12-17 16:59:00.000 127671.0 6.0 53314 2.3946545
2003-01-16 07:15:00.000 62206.0 71.0 24604 2.5281854
2003-01-21 07:15:00.000 8287.0 43.0 3661 2.2629712
2003-01-27 07:15:00.000 10402.0 68.0 4265 2.4389215
2003-01-31 07:15:00.000 9127.0 73.0 3784 2.4113607
2003-02-05 00:00:00.000 8362.0 327.0 3500 2.3891428
2003-02-10 00:00:00.000 8846.0 262.0 3230 2.7386997
2003-02-14 00:00:00.000 10018.0 51.0 4107 2.4386563
2003-02-20 00:00:00.000 10388.0 91.0 4686 2.2168159
2003-02-26 00:00:00.000 10571.0 69.0 4330 2.4407759
2003-03-03 00:00:00.000 10476.0 261.0 4423 2.3679929
2003-03-06 00:00:00.000 8858.0 594.0 3183 2.7829092
2003-04-02 00:00:00.000 57681.0 275.0 38622 1.4934366
2003-04-05 00:00:00.000 10539.0 29.0 8776 1.2008888
2003-04-09 00:00:00.000 9880.0 1324.0 7193 1.3735576
2003-04-12 00:00:00.000 8953.0 195.0 7737 1.1571668
2003-04-16 00:00:00.000 8385.0 177.0 7154 1.1719078
2003-04-21 00:00:00.000 8920.0 173.0 7756 1.1500773
2003-04-24 00:00:00.000 8563.0 156.0 7320 1.169649
2003-04-29 00:00:00.000 8462.0 137.0 7414 1.1412003
2003-05-02 00:00:00.000 9625.0 140.0 8363 1.1509027
2003-05-06 00:00:00.000 8208.0 904.0 6557 1.251792
2003-05-09 00:00:00.000 9211.0 119.0 7986 1.1533934
2003-05-19 00:00:00.000 19623.0 123.0 17290 1.1348679
2003-05-22 00:00:00.000 9568.0 246.0 8357 1.1449084
2003-05-28 00:00:00.000 9599.0 169.0 8553 1.1221651
2003-06-02 00:00:00.000 10937.0 174.0 9599 1.1393895
2003-07-11 00:00:00.000 99592.0 999.0 83573 1.1916767
2003-07-29 00:00:00.000 42434.0 111.0 33918 1.2510761
2003-08-21 00:00:00.000 59580.0 323.0 50756 1.1738282
2003-09-12 00:00:00.000 51779.0 1407.0 44298 1.1688789
2003-09-25 00:00:00.000 30655.0 255.0 26924 1.138533
2003-10-12 00:00:00.000 44573.0 968.0 37746 1.1808668
2003-10-28 00:00:00.000 38358.0 532.0 32689 1.1734222
2003-11-11 00:00:00.000 35158.0 145.0 28124 1.2500622
2003-12-04 00:00:00.000 61304.0 787.0 52882 1.1592383
2003-12-18 00:00:00.000 44462.0 221.0 39493 1.1257913
2004-01-06 00:00:00.000 56617.0 998.0 49471 1.1444252
2004-02-04 00:00:00.000 96694.0 537.0 83182 1.162425
2004-03-05 00:00:00.000 90850.0 716.0 78693 1.1544864
2004-03-23 00:00:00.000 48969.0 125.0 43450 1.1270195
2004-07-05 00:00:00.000 301725.0 1405.0 258824 1.1657491
2004-08-06 00:00:00.000 95079.0 1419.0 75445 1.2602259
2004-09-03 00:00:00.000 88056.0 193.0 68403 1.2873119
2004-09-23 01:30:12.997 57515.0 8.0 42891 1.3409261
2004-10-11 00:00:00.000 57204.0 116.0 40241 1.4215
2004-10-15 00:00:00.000 17702.0 186.0 12774 1.3856752
2004-10-19 00:00:00.000 9556.0 125.0 7305 1.3079661
2004-10-21 00:00:00.000 8898.0 133.0 6299 1.4126052
2004-10-25 00:00:00.000 8878.0 104.0 6372 1.3930645
2004-10-27 00:00:00.000 11904.0 252.0 6056 1.9656539
2004-10-29 00:00:00.000 8866.0 99.0 6551 1.3533812
2004-11-02 15:22:47.997 12287.0 1.0 9791 1.2547998
2004-11-05 13:16:50.997 12287.0 1.0 10013 1.2269822
2004-11-09 23:52:48.000 12284.0 4.0 9200 1.3352174
2004-11-12 17:17:59.997 12287.0 1.0 9360 1.3127136
2004-11-22 06:58:06.997 24575.0 1.0 19742 1.244745
2004-11-25 01:57:00.000 12287.0 1.0 8822 1.392768
2004-11-30 21:34:59.997 12287.0 1.0 9128 1.3459306
2004-12-03 13:21:24.000 12287.0 1.0 9085 1.3523003
2004-12-07 04:05:21.000 12285.0 5.0 9488 1.2947934
2004-12-09 13:25:00.000 12285.0 5.0 8993 1.3659106
2004-12-13 07:21:46.000 12282.0 10.0 9461 1.2981714
2004-12-15 18:41:23.000 12287.0 2.0 9112 1.3482937
2005-02-04 14:41:36.997 178768.0 58.0 133439 1.3396883
2005-02-23 00:00:00.000 51107.0 29.0 38624 1.3231586
2005-03-10 23:06:17.997 50891.0 24.0 38479 1.3225312
2005-03-28 00:00:00.000 45509.0 32.0 34203 1.3305169
2005-04-13 09:50:34.000 58778.0 19.0 43687 1.3454038
2005-06-08 09:46:43.997 162983.0 25.0 121508 1.3413246
2005-08-08 09:37:29.000 197467.0 20.0 143462 1.3764411
2005-08-24 11:21:37.997 57393.0 5.0 42770 1.3418672
2005-09-11 13:54:05.997 53729.0 5.0 39527 1.3592987
2005-11-08 00:00:00.000 193537.0 69.0 136906 1.4136385
2005-11-22 00:00:00.000 55031.0 33.0 38197 1.4407152
2005-12-05 00:00:00.000 40371.0 77.0 28082 1.4376112
2005-12-22 12:40:59.997 75170.0 3.0 52523 1.4311825
2006-03-02 00:00:00.000 239709.0 42.0 170405 1.4066935
2006-03-04 06:26:36.997 9639.0 23.0 6470 1.489799
2006-03-12 10:02:43.000 21993.0 1.0 16086 1.3672137
2006-03-15 00:00:00.000 8774.0 40.0 6687 1.3119019
2006-04-03 00:00:00.000 69570.0 31.0 46495 1.4962578
2006-04-04 00:00:00.000 8743.0 28.0 4606 1.8977643
2006-04-04 13:53:00.997 12284.0 6.0 3401 3.6108172
2006-04-05 00:00:00.000 10794.0 29.0 3438 3.139616
2006-04-06 00:00:00.000 9413.0 45.0 5001 1.8818473
2006-04-10 00:00:00.000 11058.0 30.0 7865 1.4059758
2006-04-14 00:00:00.000 23183.0 38.0 16281 1.4238423
2006-04-18 00:00:00.000 9898.0 37.0 7258 1.3635488
2006-04-21 03:19:31.000 16561.0 26.0 11848 1.3976707
2006-04-25 14:48:00.000 12287.0 3.0 8553 1.436572
2006-04-27 13:37:49.000 9793.0 96.0 7203 1.3593837
2006-05-02 00:00:00.000 11426.0 30.0 8135 1.4043757
2006-05-04 05:28:36.000 12277.0 22.0 8806 1.3940048
2006-06-08 00:00:00.000 123695.0 33.0 89478 1.3824068
2006-06-16 00:00:00.000 35327.0 37.0 24539 1.4396267
2006-06-29 00:00:00.000 48433.0 40.0 35226 1.3748829
2006-07-14 00:00:00.000 62915.0 57.0 44859 1.4024744
2006-08-10 00:00:00.000 106281.0 36.0 75810 1.401939
2006-08-17 00:00:00.000 25345.0 81.0 18123 1.398422
2006-08-28 00:00:00.000 40947.0 38.0 27573 1.4850397
2006-09-11 09:00:00.000 52187.0 15913.0 36698 1.4220666
2006-09-25 00:00:00.000 52902.0 30.0 37210 1.4216764
2006-10-06 00:00:00.000 54534.0 31.0 38244 1.4259119
2006-10-11 13:29:40.997 16380.0 5.0 12503 1.3100855
2006-11-29 00:00:00.000 197522.0 27.0 138746 1.423623
2006-12-01 00:00:00.000 10584.0 24.0 7602 1.3920821
2007-01-02 00:00:00.000 141284.0 34.0 101246 1.3954526
2007-01-12 02:57:03.997 60416.0 23.0 41700 1.4488249
2007-02-13 00:00:00.000 156270.0 75.0 109875 1.4222525
2007-02-16 00:00:00.000 17770.0 38.0 12325 1.441668
2007-03-05 12:23:00.000 73763.0 3.0 51503 1.43218
2007-03-08 04:11:49.997 16407.0 22.0 11428 1.4355587
2007-03-26 09:10:43.000 76336.0 20.0 53687 1.4218712
2007-04-05 12:31:28.000 64126.0 24.0 40172 1.5962859
2007-04-07 01:11:22.000 9244.0 28.0 6657 1.388405
2007-04-10 00:00:00.000 8924.0 38.0 6140 1.4531835
2007-04-24 21:01:00.000 73487.0 6.0 51689 1.421687
2007-04-26 09:01:48.997 9584.0 25.0 6650 1.441203
2007-04-28 04:09:21.000 9801.0 27.0 7037 1.3925831
2007-05-01 12:55:00.000 8781.0 26.0 6012 1.460336
2007-05-03 00:00:00.000 10570.0 53.0 7298 1.4481436
2007-05-04 21:49:27.000 12287.0 1.0 8680 1.415553
2007-05-08 06:06:45.997 8202.0 27.0 5511 1.4880261
2007-05-10 00:00:00.000 10920.0 49.0 7973 1.3696225
2007-05-12 00:44:10.000 11375.0 27.0 8223 1.3833151
2007-05-15 10:51:50.000 9453.0 27.0 6516 1.4507366
2007-05-18 08:44:36.997 17930.0 27.0 12651 1.4172792
2007-05-22 00:00:00.000 10089.0 74.0 7260 1.3894781
2007-05-23 21:07:38.000 12286.0 3.0 8604 1.4279405
2007-05-26 03:46:02.000 12287.0 6.0 8545 1.4377487
2007-05-30 21:24:29.997 12287.0 1.0 8663 1.4183308
2007-06-01 18:37:16.000 12287.0 1.0 8401 1.4623899
2007-06-05 00:00:00.000 9255.0 52.0 6491 1.4256008
2007-06-08 22:18:40.000 24574.0 3.0 17047 1.4415439
2007-06-12 09:42:14.997 9550.0 31.0 6410 1.4896272
9200-12-08 09:49:59.997 64286.0 1.0 45408 1.4157417
(150 row(s) affected)
What can I do to get SQL to use this index?
SqlConnection ..what Should I Expect ??
Aug 18, 2006Hi all,
I'm trying to connect to my SQL SERVER 2000 database via Sqlconnection command with the code below,do I need to do something else to make sure the database is really opened ..I keep getting error at
conn.Open(); which I dont know what do about ..
any help will be really appreciated
using (SqlConnection conn = new SqlConnection("Server=" + dbServer+";Database="+dbDatabase+";"))
{
conn.Open();
SqlCommand cmd = conn.CreateCommand();
cmd.CommandText = "SELECT * FROM LOCATIONS";
cmd.ExecuteNonQuery();
conn.Close();
}
thanks
Alaa M
What Is Joint Indices??
May 2, 2008 hi allCan somebody please explain to me what does it mean when someone saids use joint
indices to join tables?thanks in advance
Dynamically Drop Indices
Nov 22, 1999Hi,
I thought I'd post this question again to see if I get a response this time. I am trying to figure out how to write a sp to drop all of a given tables indices. I have looked at the sp_helpindex text and see where the index name, index ID, table ID etc. is determined...no problem there. What I am having difficulty with is the actual DROP INDEX statement 'cause somehow I need to concatenate the table name to the index name and have the statement work...something like DROP INDEX @tablename + '.' + @indexname (which I can't get to work...sorry about my lack of SQL Srvr knowledge!). I was hoping someone might know if this can be done and how to do it.
Any help, even if it is to tell me this can't be done, would be greatly appreciated!!!
Thanks in Advance....
Kevin A
Moving Indices To New Filegroup
Mar 26, 2002I have created a new filegroup and would like to move my indices there. Do I need to create a file for each index or can I just specify the filegroup in Enterprise Manager?
Thanks!
Ellen
New Sql Server Application Without Indices?
Nov 22, 1998Recently, I assumed responsibility for a SQL Server 6.5 application( I am an Oracle DBA).
This application is being purchased from a vendor. It is replacing an Oracle application.
I did not make the decision for accepting this vendor's application
Yesterday, I had to call the vendor as I had a question. It turns out that the application
--with about 70 tables -- will not have any indices, only primary keys that will be utilized
through Powerbuilder. There will be no foreign keys as all such constraints are
handled through PB code.
I have dealt with many different applications over the years and under different platforms
but I have never encountered an application where there are no indices. I have seen
application with way too many and even some with too few. Never an application
without any.
Has any one ever worked with, or dealt with, an application with no indicies? Is it
practical to attempt to use native PB code to replace indicies? If yes, was the application
running efficiently? Was everything through table scans? Any advise on how to deal with this vendor?
Right now there are no procedures or function -- just native sql code on the theory everything is faster
and more efficient? May be?
Thanks for any information.
David Spaisman
Error Reportings -- To Except Or Not Expect Or Return?
May 11, 2007You have seen a chair in a public room and go back after a while to acquire it. Is it unexpected that the object is not there anymore?
I implement the business logic in stored procedures. Once user orders some service, the actions carry out are: a)check they have sufficient funds on their balance; and, b) a price check is made selecting the latest from pricelist. The newly created job entry refers the price in the pricelist table according to service_id and the issued pricelist date.
These are data validity checks, which must be done in a multiuser database. In the session beginning, user gets prices and funds. These data are not locked throughout the session -- another process may change the records. Therefore, the extra "business" checks are needed to preserve data correctness at the start of every transaction. One way to report the errors would be to raise an error.
Consider the primary-foreign key violations. They are raised by system with severity level of 16. Uniqueness violation is raised with severity 14. The MSSQL reference http://msdn2.microsoft.com/en-us/library/ms164086.aspx tells us that this is a sort of error, which can be corrected by user. Indeed, (s)he can. But the exceptions are unexpected situations. Exception processing consumes huge CPU processing power if some occurs. Normally, programs allocate resources and use them. If resource cannot be allocated -- app exits with exception. It just has nothing to do. However, there is nothing exceptional in shared data access by multiple concurrent processes in a multithread/multiuser/distributed application. Since, we cannot lock the user resources during user session, we should be prepared to concurrent data changes. Therefore, I find the exception raising inappropriate tool.
Consider a situation, when one user is assigned to a group. Nothing prevents from another admin to remove the group at the same time. Therefore, our user management application should be ready to expected "group does not exist" "error" result. I even disagree that this is an error, since it is perfectly valid to have such a situation. It is like you have seen a chair in a room and later return to take it. But the chair is not there anymore. Is it unexpected? The case should not be exceptional, IMO.
So we have:
1. Severity 1-10 "informational messages";
2. Severity 11-16 errors; and
3. RETURN error_code.
Which should be used? Anything else? Do my considerations make sense?
FailParentOnFailure And MaxErrorCount - Not Functioning As I Would Expect
Mar 31, 2008I have a package that executes a number of tasks includng executing other packages. In one of the sub-packages, I am looping through a directory, processing files in that directory, and copying the files to another directory after completion using a for each file enumerator and file system task. The file system task has a failure precedence constraint leaving it going into a script task which simply pops up a message box saying that an error occurred.
What I am trying to do is to allow the sub package (and parent package) to continue execution if there is an error during the file system task. This question really is unrelated to the file system task specifically... in general, how can an error be ignored and execution not stop?
On the file system task, I've set MaxErrorCount = 0 and FailParentOnFailure and FailPackageOnFailure are set to False. With MaxErrorCount = 0, the file system task itself does not fail but its parent container (the for each file enumerator) does. This failure then propogates all the way up to the parent package and execution stops. I have gotten around this by setting MaxErrorCount = 0 also on the for each file enumerator, the execute package task, and all its ancestors going all the way up to the root of the main package. This works, but maintaining this would be a nightmare. Setting MaxErrorCount = 0 and FailParentOnFailure = False at the point only where I expect the error seems like it should be enough but it obviously is not. What am I missing here?
FTP Task - StopOnFailure Not Working As I Expect?
Dec 8, 2006Hi
I'm using an FTP task in a loop to download files from a WAN based FTP server. I've got a script to generate the name of the file I require and place into a variable. Problem is sometimes some of the remote files haven't been published so the FTP component errors and the package fails.
I tried setting StopOnFailure to False - all I get is the following errors[FTP Task] Error: File represented by "User::RemotePath" does not exist.
[FTP Task] Error: Attempt to read message string for 0x80020918 failed with error 0xc02090f3. Make sure all message related files are registered.
What I want to do is ignore the error and perform the next loop iteration
Is this a bug, or am I missing something
Dave
Size Of SQLServer Databases With Indices
Jul 20, 2005Hello,I am starting to examine using SQLServer instead of Oracle. I wentthrough the SQLServer import utility to copy tables from Oracle intoSQLServer. I then checked the size of the database.I then started to specify indices for the tables. I did not see thedatabase file size grow all that much. I kept on using the shrinkcommand to make sure that wasted space was removed. I even made surethat minimal free space was allowed.I was rather expecting (from experience with Oracle) that there wouldbe a large growth in the database when addind indices. So what did Imiss? Are the indices stored elsewhere and I missed them? DoesSQLServer handle indices differently so they dont' bloat the databasesize?The size of our data in SQLServer is a key factor in whether we movefrom Oracle, so I need to under how indices effect storage size.Thanks for any help.Bart TorbertJoin Bytes!
View 7 Replies View RelatedService Broker Doesn't Produce What I Expect [Please Read]
Aug 4, 2006Hi,
I made a simple service broker code that is:
-- step 1: Enable Broker
use master
alter database AdventureWorks
set enable_broker
go
-- step 2: prepare
use AdventureWorks
go
create schema CustomerService
go
create schema EmailService
go
-- step 3: Message Type
create message type [//AdventureWorks/Sales/CustomerDetails]
validation = well_formed_xml
go
-- step 4: Contract
create contract [//AdventureWorks/Sales/SendCustomerDetails]
(
[//AdventureWorks/Sales/CustomerDetails] sent by initiator
)
go
-- step 5: Queue
create queue CustomerService.NewCustomerQueue
go
create queue EmailService.NewCustomerEmailQueue
go
-- step 6: Service
create service [//AdventureWorks/Sales/CustomerService]
on queue CustomerService.NewCustomerQueue
go
create service [//AdventureWorks/Sales/EmailService]
on queue EmailService.NewCustomerEmailQueue
(
[//AdventureWorks/Sales/SendCustomerDetails]
)
go
-- step 7:
create procedure CustomerService.proc_SendMessage
(
@firstName nvarchar(50)
,@lastName nvarchar(50)
,@emailAddress nvarchar(200)
)
as
-- sending a message
declare @message nvarchar(max)
set @message = nchar(0xFEFF)
+ '<Customer>'
+ '<CustomerName>' + @firstName + ' ' + @lastName + '</CustomerName>'
+ '<EmailAddress>' + @emailAddress + '</EmailAddress>'
+ '</Customer>'
declare @conversationHandle uniqueidentifier
begin dialog conversation @conversationHandle
from service [//AdventureWorks/Sales/CustomerService]
to service '//AdventureWorks/Sales/EmailService'
on contract [//AdventureWorks/Sales/SendCustomerDetails]
;send on conversation @conversationHandle
message type [//AdventureWorks/Sales/CustomerDetails]
(
@message
)
go
create procedure CustomerService.proc_ReceiveMessage
as
-- receiving a message
declare @conversationHandle uniqueidentifier, @messageTypeName nvarchar(256)
;receive top(1)
@conversationHandle = conversation_handle
,@messageTypeName = message_type_name
from CustomerService.NewCustomerQueue
if @@rowcount = 0
begin
print 'No further message found in CustomerService.NewCustomerQueue'
end
go
exec CustomerService.proc_SendMessage 'Bishoy','George','bishoy@bishoy.com'
exec CustomerService.proc_ReceiveMessage
--------------------------------------------------------------------------------------------------------------------------
Now the problem is:
when I execute the 2 procedures I receive:
(0 row(s) affected)
No further message found in CustomerService.NewCustomerQueue
Why doesn't the broker send the message?
Is there any needed preparing should I have done first?
Thank you and best regards.
Correct Way To Create Indices? SQLServer Express 2005
Feb 22, 2006Hi,
Apologies if this has been asked before, i've done a search but can't find a definitive answer.
I've created a table in an SQLExpress 2005 db using Server Managment Studio Express.
My intention is to use GUID fields as surrogate PK's. I therefore wanted to add a additional index to prevent duplicate records being added to the table. Not having used SQLServer before could someone confirm or deny that this is the correct way to do this. The PK field [EPISODEID{unique identifier}] is set as a non-clustered index. And i've created a second clustered index using the two fields that create a unique record. I've added a screen shot if that is any help.
Thanks
Chris
SQL Server 2008 :: Identify Which Indices Are Replicated - Transactional Replication
Feb 20, 2015Is there a script to find which non-clustered indices are replicated? I know i can do this easily through GUI , having a script will make my life much easier ....
View 0 Replies View RelatedReplication :: Drop One Of Larger Table Indices On Subscriber Database
Jul 31, 2015We have a database we are replicating to about 8 SQL Express subscribers from a SQL 2012 SP2 publisher. The size of the database grew too large for the 10GB license limit for SQL Express and now replication refuses to replicate any of our deletions on the publisher to reduce the size of the database. I've come up with a few options below.
1) Drop one of the larger table indices on the subscriber database to get below the size restriction. Permit the replication to replicate the deleted records and then rebuild the index. (I'm not sure how important an index is to this table. Is it merely performance related?)
2) "Upsize" SQL Express to SQL Standard on the affected boxes. Allow the deletes to replicate. Backup the database, downgrade to SQL Express and restore the database back to SQL a new SQL express instance. This would involve a lot of work on each box. I'd like to avoid it if possible.
SQL Server Admin 2014 :: Updating Statistics On Specific Indices Script
Aug 8, 2015I'm looking for a quick script that someone has already written to update statistics (not to rebuild or re-organise) on specific indices in specific databases - I guess loop though a table comprising of a list of databases and the indices.
I know Ola has one but I'm not look for something that is that complicated. If I cannot find one I'm going to have to write one myself - I want to try and avoid re-inventing the wheel as tomorrow I have to do this work and it's about 7K plus indices in about 10+ databases.
Full Text Search Indexing HTML - Does The Filter Expect Certain Tags To Be Present As Standard?
Jul 10, 2007Hi, I was wondering if any SQL Server gurus out there could help me...I
have a table which contains text resources for my application. The text
resources are multi-lingual so I've read that if I add a html language
indicator meta tag e.g.<META NAME="MS.LOCALE" CONTENT="ES">and
store the text in a varbinary column with a supporting Document Type
column containing ".html" of varchar(5) then the full text index
service should be intelligent about the language word breakers it
applies when indexing the text. (I hope this is correct technique for
best multi-lingual support in a single table?)However, when I come to query this data the results always return 0 rows (no errors are encountered). e.g.DECLARE @SearchWord nvarchar(256)SET @SearchWord = 'search' -- Yes, this word is definitely present in my resources.SELECT * FROM Resource WHERE CONTAINS(Document, @SearchWord)I'm a little puzzled as Full Text search is working fine on another table that employs an nvarchar column (just plain text, no html).Does the filter used for full text indexing of html expect certain tags to be present as standard? E.g. <html> and <body> tags? At present the data I have stored might look like this (no html or body wrapping tags):Example record 1 data: <META NAME="MS.LOCALE" CONTENT="EN">Search for keywords:Example record 2 data: <META NAME="MS.LOCALE" CONTENT="EN">Sorry no results were found for your search.etc.Any pointers / suggestions would be greatly appreciated. Cheers,Gavin.UPDATE: I have tried wrapping the text in more usual html tags and re-built the full text index but I still never get any rows returned for my query results. Example of content wrapping tried - <HTML><HEAD><META NAME="MS.LOCALE" CONTENT="EN"></HEAD><BODY>Test text.</BODY></HTML>I've also tried stripping all html tags from the content and set the Document Type column = .txt but I still get no rows returned?!?
Full Text Search Indexing HTML - Does The Filter Expect Certain Tags To Be Present As Standard?
Jul 11, 2007Hi, I was wondering if any SQL Server gurus out there could help me...
I have a table which contains text resources for my application. The text resources are multi-lingual so I've read that if I add a html language indicator meta tag e.g.
<META NAME="MS.LOCALE" CONTENT="ES">
and store the text in a varbinary column with a supporting Document Type column containing ".html" of varchar(5) then the full text index service should be intelligent about the language word breakers it applies when indexing the text. (I hope this is correct technique for best multi-lingual support in a single table?)
However, when I come to query this data the results always return 0 rows (no errors are encountered). e.g.
DECLARE @SearchWord nvarchar(256)
SET @SearchWord = 'search' -- Yes, this word is definitely present in my resources.
SELECT * FROM Resource WHERE CONTAINS(Document, @SearchWord)
I'm a little puzzled as Full Text search is working fine on another table that employs an nvarchar column (just plain text, no html).
Does the filter used for full text indexing of html expect certain tags to be present as standard? E.g. <html> and <body> tags? At present the data I have stored might look like this (no html or body wrapping tags):
Example record 1 data: <META NAME="MS.LOCALE" CONTENT="EN">Search for keywords:
Example record 2 data: <META NAME="MS.LOCALE" CONTENT="EN">Sorry no results were found for your search.
etc.
Any pointers / suggestions would be greatly appreciated. Cheers,
Gavin.
UPDATE: I have tried wrapping the text in more usual html tags and re-built the full text index but I still never get any rows returned for my query results. Example of content wrapping tried - <HTML><HEAD><META NAME="MS.LOCALE" CONTENT="EN"></HEAD><BODY>Test text.</BODY></HTML>
I've also tried stripping all html tags from the content and set the Document Type column = .txt but I still get no rows returned?!?
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Jul 19, 2004Hi
I am trying to find when a name has been entered more than once into 1 database table.
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Mar 7, 2006Hi
I need help in finding the query which will provide the following resultset from the below table..
Table :
create table product_stocks(product_id int , product_type varchar(20) , no_of_units int)
Data:
insert into product_stocks values(1,'A',30)
insert into product_stocks values(2,'A',70)
insert into product_stocks values(3,'A',60)
insert into product_stocks values(4,'A',40)
insert into product_stocks values(1,'B',90)
insert into product_stocks values(2,'B',60)
insert into product_stocks values(3,'B',70)
insert into product_stocks values(4,'B',40)
insert into product_stocks values(1,'C',40)
insert into product_stocks values(2,'C',50)
insert into product_stocks values(3,'C',80)
insert into product_stocks values(4,'C',90)
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--------------- ------------- --------------
A 2 70
A 3 60
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B 2 60
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GO
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Sep 4, 2007I have a query that can tell me the columns in a table. In this case "Contact". What I would like to add to my query is if the column is part of the primary key. Can that be done? how so?
Code Snippet
SELECT
c.name AS column_name,
c.column_id,
SCHEMA_NAME(t.schema_id) AS type_schema,
t.name AS type_name,
t.is_user_defined,
t.is_assembly_type,
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c.precision,
c.scale
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Query To Find Schools With Only Boy/girls
Aug 16, 2007I've been struggling with this one for quite some time now and would appreciate some help:-
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SELECT Schools.SchoolName, FORUM_MEMBERS.M_SEX , COUNT(Schools.SchoolName) AS no_of_students
FROM Schools
INNER JOIN FORUM_MEMBERS ON (Schools.SchoolID = FORUM_MEMBERS.SchoolID)
WHERE (FORUM_MEMBERS.UserType=4)
GROUP BY Schools.SchoolName, FORUM_MEMBERS.M_SEX
ORDER BY Schools.SchoolName, FORUM_MEMBERS.M_SEX;
The result is a list of schools:-
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school 1, Male, 11
school 1, Female, 20
school 2, Male, 8
school 2, Female, 1
school 3, Male, 12
school 4, Male, 14
school 5, Male, 8
school 5, Female, 1
But what I really need is schools with only male students:-
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school 3, Male, 12
school 4, Male, 14
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