Types Of Joins In Version Wide
Nov 1, 2007
Dear All,
what are different types of joins avialable with sql server6.0, 7.0, 2000 and 2005 and now 2008...
the reason behind the question is :
i've used the swiss Sql tool to boost the performance of my join queries. and the tool has given some best options. those are working fine with database but failing at application level.
i found the reason is because of Loop join, Hash Join, Merge join.
your valubel suggsions are needed.
thank you veru much
Vinod
Even you learn 1%, Learn it with 100% confidence.
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May 26, 2005
SQL Server 2000, ASP.Net 1.1
I've been writing this stuff for a while, and can't seem to come to the
conclusion of how I should be retrieving data and assigning this data
to variables.
Since i'm using SQL Server, I'm convinced that I should be using the
datareaders GetSqlDouble (or whatever) function, but this would mean i
need my local variables to be one of the SQL types. The problem
with that is, that there will have to be lots of conversions done by me
to be able to use a SQL type in my application.
For instance, I have a class where i'm retrieving dates. In order
to retrieve them correctly (Null values included), I need to retrieve
them with GetSqlDateTime(), then when it comes time to display the date
in a table, i must first check for nulls, then convert to a
string. This seems to be very cumbersome. Would I be better
off just using GetDateTime(), and the .ToString method, and ignoring
Sql Types all together?
so, basically, how are you guys using your sql server data? with
the supplied sql types, and doing all of the post-processing work
manually? I feel like i'm having trouble conveying my
issue...hopefully someone knows what i mean....i'd just like some
direction to save trouble in the long run, since i feel like there's
got to be a better way...
Confused!
Thanks,
JJ
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Nov 3, 2000
We find that a delete command on a table where the rows to be deleted involve an inner join between the table and a view formed with an outer join sometimes works, sometimes gives error 625.
If the delete is recoded to use the join key word instead of the = sign
then it alway gives error 4425.
625 21 0 Could not retrieve row from logical page %S_PGID by RID because the entry in the offset table (%d) for that RID (%d) is less than or equal to 0. 1033
4425 16 0 Cannot specify outer join operators in a query containing joined tables. View '%.*ls' contains outer join operators.
The delete with a correleted sub query instead of a join works.
Error 4425 text would imply that joins with view formed by outer joins should be avoided.
Any ideas on the principles involved here.
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May 22, 2000
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Thanks,
Nathan
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Jan 4, 2008
ok, i have been charged with the task of searching a server that houses 50-60 client databases. all databases are identical, created from a prototype. i have discovered an issue whereby one of the clients db is missing a required sproc. they now want me to check all db's to see if anyone else is missing the sproc or not. i have a UN and PASS to login to the server that houses all db's. is there a method for me to query all db's at once and check for the sproc? or will i have to go through them all manually (which could become quite time consuming as there are so many db's, and quite a large number of sprocs in each. the sprocs seem to be listed in a semi-random order in each db as well)
thanks all
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Jul 23, 2005
I'm working on a system that is very address-centric and detection ofduplicate addresses is very important. As a result we have brokenaddresses down into many parts (DDL below, but I've left out somereference tables for conciseness), these being state, locality, street,street number, and address. The breakdown is roughly consistent withAustralian addressing standards, we're working on finalising this.Because we carry the primary key down each of the levels, this hasresulted in our address table having a very wide primary key (around170 characters). We refer to addresses from a number of other tablesand although my instinct is to use this natural key in the other tablesI wonder if we should just put a unique index on the natural key,create a surrogate primary key and use it in the other table. Anythoughts?CREATE TABLE dbo.States (StateID varchar (3) NOT NULL ,StateName varchar (50) NOT NULL ,CONSTRAINT PK_AddressStates PRIMARY KEY NONCLUSTERED(StateID))CREATE TABLE dbo.Localities (Locality varchar (46) NOT NULL ,StateID varchar (3) NOT NULL ,Postcode char (4) NOT NULL ,CONSTRAINT PK_Localities PRIMARY KEY NONCLUSTERED(Locality,StateID,Postcode),CONSTRAINT FK_AddressLocalities_AddressStates FOREIGN KEY(StateID) REFERENCES dbo.States (StateID))CREATE TABLE dbo.Streets (StreetName varchar (35) NOT NULL ,StreetTypeID varchar (10) NOT NULL ,StreetDirectionID varchar (2) NOT NULL ,Locality varchar (46) NOT NULL ,StateID varchar (3) NOT NULL ,Postcode char (4) NOT NULL ,CONSTRAINT PK_Streets PRIMARY KEY CLUSTERED(StreetName,StreetTypeID,StreetDirectionID,Locality,StateID,Postcode),CONSTRAINT FK_Streets_Localities FOREIGN KEY(Postcode,Locality,StateID) REFERENCES dbo.Localities (Postcode,Locality,StateID))CREATE TABLE dbo.StreetNumbers (StreetName varchar (35) NOT NULL ,StreetTypeID varchar (10) NOT NULL ,StreetDirectionID varchar (2) NOT NULL ,Locality varchar (46) NOT NULL ,StateID varchar (3) NOT NULL ,Postcode char (4) NOT NULL ,StreetNumber varchar (15) NOT NULL ,BuildingName varchar (100) NOT NULL ,CONSTRAINT PK_StreetNumbers PRIMARY KEY CLUSTERED(StreetName,StreetTypeID,StreetDirectionID,Locality,StateID,Postcode,StreetNumber),CONSTRAINT FK_StreetNumbers_Streets FOREIGN KEY(StreetName,StreetTypeID,StreetDirectionID,Locality,StateID,Postcode) REFERENCES dbo.Streets (StreetName,StreetTypeID,StreetDirectionID,Locality,StateID,Postcode))CREATE TABLE dbo.Addresses (StreetName varchar (35) NOT NULL ,StreetTypeID varchar (10) NOT NULL ,StreetDirectionID varchar (2) NOT NULL ,Locality varchar (46) NOT NULL ,StateID varchar (3) NOT NULL ,Postcode char (4) NOT NULL ,StreetNumber varchar (15) NOT NULL ,AddressTypeID varchar (6) NOT NULL ,AddressName varchar (20) NOT NULL ,CONSTRAINT PK_StreetNumberPrefixes PRIMARY KEY CLUSTERED(StreetName,StreetTypeID,StreetDirectionID,Locality,StateID,Postcode,StreetNumber,AddressTypeID,AddressName),CONSTRAINT FK_Addresses_StreetNumbers FOREIGN KEY(StreetName,StreetTypeID,StreetDirectionID,Locality,StateID,Postcode,StreetNumber) REFERENCES dbo.StreetNumbers (StreetName,StreetTypeID,StreetDirectionID,Locality,StateID,Postcode,StreetNumber))
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Aug 11, 2005
SQL Server 2000Howdy All.Is it going to be faster to join several tables together and thenselect what I need from the set or is it more efficient to select onlythose columns I need in each of the tables and then join them together?The joins are all Integer primary keys and the tables are all about thesame.I need the fastest most efficient method to extract the data as thisquery is one of the most used in the system.Thanks,Craig
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Sep 24, 2004
Hi Guys,
I have a requirement as follows:->
I have a table like below
EMPLOYEEID------- OWNS
********** ****
1-----------------car
1-----------------house
1-----------------dog
2-----------------house
3-----------------car
3-----------------bus
3-----------------shop
3-----------------hotel
3-----------------theater
3-----------------casino
Requirement:
I wanted to create another table based on the column values. For eg: I have to take the employee id and check for what value he has under owns column in the table. I take only 3 values and then these values should go to the newly created columns (owns1, owns2,owns3).
if there is no value for any of these columns it should have null values loaded in them.
The result of the modification should look like this:->
EMPLOYEEID-------OWNS1------OWNS2------OWNS3
*********** ***** ***** *
1-----------------car--------house------dog
2-----------------house------Null-------Null
3-----------------car--------Bus--------shop
Note: eventhough employeeid 3 owns more than 3 things we only take 3 of what he owns and populate to above coloumns.
In addition to it, the column OWNS will have more than 500 different values in them.
Its kind of urgent and if anyone knows how to , Can you please help me on this.
Thanks a lot.
-- Ragulan
;)
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Jan 23, 2006
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Sep 1, 2014
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I know direct restore is not possible, I have to use either import or export option or generating script,but i want to know is there any easy step to do so.
Vimal Lohani
SQL DBA | MCP (70-461,70-462)
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Jul 25, 2006
Hi all,
Since some analysis services features are only available in Enterprise version , I have to upgrade my SQL 2005 server from standard edition to enterpise edition.
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Is it possible to keep data engine as standard version and install a enterprise version of analysis service?
Thank you very much
Tony
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Feb 19, 2008
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Oct 30, 2007
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Mar 11, 2006
Hi,
I have tried to attatch a database ,created by SQL server Express within a C# application , in SQL server 2005 Enterprise edition, but the following error message appears:
-----------------------------
TITLE: Microsoft SQL Server Management Studio
------------------------------
Attach database failed for Server 'MEDO'. (Microsoft.SqlServer.Smo)
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft SQL Server&ProdVer=9.00.1187.00&EvtSrc=Microsoft.SqlServer.Management.Smo.ExceptionTemplates.FailedOperationExceptionText&EvtID=Attach database+Server&LinkId=20476
------------------------------
ADDITIONAL INFORMATION:
An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.ConnectionInfo)
------------------------------
The database 'E:X.MDF' cannot be opened because it is version 611. This server supports version 607 and earlier. A downgrade path is not supported.
Could not open new database 'E:X.MDF'. CREATE DATABASE is aborted. (Microsoft SQL Server, Error: 948)
------------------------------
so , how can I solve this problem , I need to reed the data resides in the tables of 'X' database , how can I do it?? please help me.
Thanks in advance for any help.
Aya.
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Jan 7, 2008
I have an ssis package that downloads a SQL Server 2000 database and restores it to a SQL 2005 server. Ninety-five percent of the time it runs just fine, but every so often the job fails and I get the following set of error messages in the log file. (I have had to delete some of the proprietary information for this message to satisfy my boss like putting in [Database name] in place of the actual name of the database in the error message).
OnError, Restore backup file to DB,,,1/6/2008 2:59:31 AM,1/6/2008 2:59:31 AM,0,0x,Converting database [Database name] from version 539 to the current version 611.
OnError,1/6/2008 2:59:31 AM,1/6/2008 2:59:31 AM,0,0x,Converting database [Database name] from version 539 to the current version 611.
OnError,Restore backup file to DB,,,1/6/2008 2:59:31 AM,1/6/2008 2:59:31 AM,0,0x,Database [Database name] running the upgrade step from version 539 to version 551.
OnError,1/6/2008 2:59:31 AM,1/6/2008 2:59:31 AM,0,0x,Database [Database name] running the upgrade step from version 539 to version 551.
OnError,Restore backup file to DB,,,1/6/2008 2:59:31 AM,1/6/2008 2:59:31 AM,0,0x,The transaction log for database [Database name] is full. To find out why space in the log cannot be reused, see the log_reuse_wait_desc column in sys.databases
OnError,1/6/2008 2:59:31 AM,1/6/2008 2:59:31 AM,0,0x,The transaction log for database [Database name] is full. To find out why space in the log cannot be reused, see the log_reuse_wait_desc column in sys.databases
OnError,SQL5,1/6/2008 2:59:31 AM,1/6/2008 2:59:31 AM,0,0x,RESTORE could not start database [Database name].
OnError,SQL5,1/6/2008 2:59:31 AM,1/6/2008 2:59:31 AM,0,0x,RESTORE could not start database [Database name].
OnError,SQL5,1/6/2008 2:59:31 AM,1/6/2008 2:59:31 AM,-1073548784,0x,Executing the query "RESTORE DATABASE [Database name]
FROM DISK = '[Path to back up file]' WITH REPLACE,
MOVE 'ASP_Live_Data' TO [Path to MDF file],
MOVE 'ASP_Live_Log' TO [Path to LDF file]" failed with the following error: "RESTORE DATABASE is terminating abnormally.". Possible failure reasons: Problems with the query, "ResultSet" property not set correctly, parameters not set correctly, or connection not established correctly.
OnError,1/6/2008 2:59:31 AM,1/6/2008 2:59:31 AM,-1073548784,0x,Executing the query "RESTORE DATABASE [Database name]
FROM DISK = '[Path to backup file]' WITH REPLACE,
MOVE 'ASP_Live_Data' TO [Path to MDF file]',
MOVE 'ASP_Live_Log' TO [Path to LDF file]" failed with the following error: "RESTORE DATABASE is terminating abnormally.". Possible failure reasons: Problems with the query, "ResultSet" property not set correctly, parameters not set correctly, or connection not established correctly.
OnTaskFailed,Restore backup file to DB,,,1/6/2008 2:59:31 AM,1/6/2008 2:59:31 AM,0,0x,(null)
Does anyone have any suggestions?
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Jan 31, 2007
Want to upgrade Evaluation version of SQL 2005 to full retail version. How would I do that. Thanks very much for your hel
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Sep 22, 2015
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Jan 15, 2005
Hi,
I have an ASP.NET application that uses VARCHAR extensively in the tables and, more importantly, stored procedures (a couple hundred of them).
This app needs to start accepting foreign language in some areas, so I was wondering if there was some way to go through the tables and, more importantly, the stored procedures and change all "VARCHAR" references to "NVARCHAR" ?
Are the stored procedures stored as a text file somewhere on the server? If so I could use some sort of "replace" software utility to go through and change all VARCHAR to NVARCHAR
thanks!
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Nov 3, 2004
Hi,
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May 14, 2015
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I guess the best practice is what the blue line states, but without knowing the internals of SSAS I can undestand that a smaller measure group may be easier to handle, or create more specific aggregations for.
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Feb 26, 2008
Hello
I know that the following is possible:
declare @x varbinary(128)
select @x = convert(varbinary(128), 'Some user name')
set context_info @x
Then in a trigger, you can say:
UPDATE tbl
SET who_was_kilroy = convert(varchar, p.context_info)
FROM inserted i
JOIN tbl t ON i.keycol = t.keycol
CROSS master.dbo.sysprocesses p
WHERE p.spid = @@spid
I am searching for a more generic way (varbinary 128 is not big enough) to store and access connection wide variables
Any ideas?
Regards
Klaus
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Feb 27, 2007
Hi,
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Jul 16, 2007
Now, I checked and verified that my backup version of SQL Server is the same as the version installed on the computer I'm restoring too.
I have SQL Server on a production machine that I backed up and want to test a full restore on a dev machine to make sure it will work when I need it to.
Now that I've run the restore command on my tape backup and go to restart the SQL server service I receive:
Configuration block version 0 is not a valid version number. SQL Server is exiting. Restore the master database or reinstall.
I'm afraid I don't understand why this is happening. If the builds are the same, then shouldn't restoring the MASTER database have worked normally and I'd be able to restart the service now?
Any thoughts or suggestions?
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Apr 20, 2007
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Conworx
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Dec 7, 2007
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Mar 12, 2007
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Dec 12, 2007
I started this thread as the last attempt to sort the issue out.
I have an SSIS package that loads data from a .csv file into my database. It works fine on my developer machine. I start it programmatically or from Management Studio or from Visual Studio, and it works. Then I deploy it to the MSDB database on the computer on which it will have its final place. There again I can start it from Management Studio or from Visual Studio (using the source file), and it works. But when I start it programmatically, it just fails telling me:
Package Warnings:
Package Errors:
The version of component "****" (11773) is not compatible with this version of the DataFlow.
Component "component "Derived Column" (13627)" could not be created and returned error code 0x80070005. Make sure that the component is registered correctly.
The component is missing, not registered, not upgradeable, or missing required interfaces. The contact information for this component is "Flat File Source;Microsoft Corporation;Microsoft SqlServer v9; (C) 2005 Microsoft Corporation; All Rights Reserved; http://www.microsoft.com/sql/support;1".
component "Agreement File" (11773) failed validation and returned error code 0xC0048021.
One or more component failed validation.
There were errors during task validation.
Maybe the source of the problem is that this machine is a 64-bit one, while the developer machine is 32-bit one. But why does the package run fine when I start it from Management Studio?
Any help would be appreciated.
FMikee
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Nov 8, 2007
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Thanks a milliom
Ning
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Apr 10, 2006
Is there a way to disable referential integrity on all destination tables for an import?
Thanks.
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Aug 27, 2002
Thanks for reading.
This is pretty long, hopefully it isn't rambling.
I'm building a system that imports data from several source, Excel files, text files, Access databases, etc. using DTS. The entire process revolved around MS SQL Server, by the way.
I figured I would create denormalized tables that mirror the Excel and flat files, for example, in structure, import data to those, clean up and remove duplicates there, then break those out into my normalized table structure later.
Now I've finished the importing part (though this is going to happen once a week) and I'm onto breaking up the denormalized tables.
I'm hesitating because I'm not sure I've made the best decisions in terms of process, etc.
I've decided to use cursors to loop over the denormalized tables and use batch insert statements to push data out to the appropriate tables.
Any comments? Suggestions? All is welcome.
I'm specifically interested in hearing back on the way I've set up the intermediate, denormalized tables and how I'm breaking them up using cursors (step 2 of the process below). Still, all comments are welcome. As are suggestions for further reading.
Thanks again...
simplified example
(my denormalized tables are 20 - 30 colums wide)
denormalized table:
===================
name, address, city, state, cellphone, homephone
normalized tables:
==================
tblPerson [PK_person, name, age, height, weight]
tblAddress [PK_address, FK_person, street, city, state, zip, addressType]
tblContact [PK_contact, FK_person, data, contactType]
I'm breaking up the denormalized tables like this (*UNTESTED*):
=================================================
DECLARE @vars.... (one for each column in my normalized table structure, matching size and type)
DECLARE myCursor CURSOR
FAST_FORWARD FOR
SELECT name, address, city, state, cellphone, homephone
FROM _DNT_myWideTable
INTO
WHILE @@Fetch_Status = 0
BEGIN
-- grab the next row from the wide table
FETCH NEXT FROM myCursor
INTO @name, @address, @city, @state, @cellphone, @homephone
-- create the person first and get the ID with @@IDENTITY
INSERT INTO tblPerson (name) VALUES (@name)
SET @personID = @@IDENTITY
-- use that ID to coordinate inserts across other tables
INSERT INTO tblAddress (FK_person, address, city, state, addressType)
VALUES(@person, @address, @city, @state, 'HOME')
INSERT INTO tblContact (FK_person, data, contactType)
VALUES(@person, @cellphone, 'CELLPHONE')
INSERT INTO tblContact (FK_person, data, contactType)
VALUES(@person, @homephone, 'HOMEPHONE')
END
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Apr 5, 2007
Hi all,
Report:
-For instance 2 small tables (eg. width 10cm = 3 inch?)
-And one wide table (eg. width 30cm = 10 inch?)
All separated by "insert pagebreak after table".
Problem:
When rendered, the pages with the small tables on have a lot of white blank space at the right of the table. This is probably caused by the big table on page 3.
This report is distributed by email in Excell format. So on sheet 1 and 2 there are a lot of white cells on the right of the tables. When trying to print, they just want to use the "landscape" option and the "fit to page" option. Because of the empty white cells, the fit to page option reduces the first 2 tables to a very small table which covers only 50 % of the page width. The other 50 % is reserved for the empty cells.
Off course, I know that deleting the empty cells offers a solutions, but it would be a lot more handier if there were no empty cells in the first place.
Anybody with a solution?
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