Executing Large SQL Statements
Apr 15, 2004
Hello,
I am trying to import a very large amount of data into an SQL database. The data is in a format of SQL statements already - it is all in one large text file consisting of a number of CREATE TABLE X and INSERT INTO X VALUES().
The problem is that the amount of values being inserted into some of the tables is so large, that I am unable to open the .SQL file using query analyzer to run it, because the line-size limit for query analyzer is 64kb, whereas actual line-size in the file is in some cases in excess of 15MB.
I would appreciate any advice on how to get all this data into a managable format. I keep thinking that there simply has to be a way to execute these over-size SQL statements.
Thank you in advance!
-Sergey
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Jul 23, 2005
When i execute the following in Sql query anlyzerDeclare @dbname varchar(30),@str varchar(500),@emailID varchar(50)set @EmailID='santosh@yahoo.com'set @dbname='DB_kms_prv'set @str='SELECT empid, NTName, officialEmail, PreferredName FROM ' +@dbname + '.dbo.tblEmployee where officialEmail=' + @emailIDexec (@str)I get error messageThe column prefix 'santosh@yahoo' does not match with a table name oralias name used in the query.How to get rid of it..?
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Sep 23, 2002
Hi,
I try to run sql statement by placing them in a variable as given below but receive the following error message
set @sql_string= 'BACKUP DATABASE '+ @temp_db+' TO '+ @bk_device+' WITH FORMAT,INIT, NAME = '''+ @bk_name+''''
EXECUTE IMMEDIATE @sql_string
Error Message
Server: Msg 2812, Level 16, State 62, Line 10
Could not find stored procedure 'IMMEDIATE'.
Server: Msg 2812, Level 16, State 62, Line 18
Could not find stored procedure 'BACKUP DATABASE DTSTEST TO bk_dev1 WITH FORMAT,INIT, NAME = 'Full backup''.
Thanks
John Jayaseelan
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Apr 9, 2008
I have a stored procedure named usp_CreateSomeAdminObjects that resides in say a database named AdminStuff (ok, fictional but it gets the point across :) ). This proc generates a series of dynamic SQL statements (DROP TRIGGER, CREATE TRIGGER and EXECUTE sp_settriggerorder) against tables that reside in different databases. However I am unable to change the context of the database from AdminStuff to the database I am cycling. Any suggestions on how I can have execute this dynamic SQL in the context of a specific database (other than the one the proc resides in)?
I can not put the USE statement in a stored procedure. Attempts to use sp_executesql, EXECUTE and even run the script through sqlcmd using either (a) the -d option or (b) a USE <dbname>; statement as part of the -q parameter have all been unsuccessful.
Heck, even if I execute this code through SSMS it does not work as I need it to:
USE OtherDatabaseName;
EXEC DBA.dbo.usp_CreateSomeAdminObjects
I confirmed this by adding these statements to the proc:
/* Gets list of tables from the current database */
SELECT name, create_date FROM sys.objects WHERE type = 'U' ORDER BY name
SELECT DB_NAME();
These statements return a list of user tables that reside in AdminStuff and not OtherDatabaseName (the same goes for the DB_NAME() statement.
Any suggestions on how I can accomplish what I'm looking to do - have this proc execute dynamically generated DDL scripts for tables that reside in a different database. I'd rather not name this procedure sp_CreateSomeAdminObjects and compile it in the master database. If that is my only option I will but figured I'd check out other options first.
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May 30, 2008
Hi
What is SQL Server 2005 default behavior with statement like this:
SELECT * FROM dbo.Products
Will it take any shared locks on Products table? Is it different than:
BEGIN TRAN
SELECT * FROM dbo.Products WITH NOLOCK
COMMIT
TIA
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Feb 9, 2007
Hello!I have a developer that is playing around with some SQL statementsusing VB.NET. He has a test table in a SQL 2000 database, and he hasabout 2000 generated INSERT statements.When the 2000 INSERT statements are run in SQL query analyzer, all2000 rows are added to the table. When he tries to send the 2000statements to SQL Server through his app., a random number ofstatements do not get executed. But, SQL Profiler shows that each ofthe 2000 statements are getting sent to the server.I suggested that he add a "GO" statement at the end of the INSERTblock, but the statement fails when that is sent to the server.I know that this is not the ideal manner to insert bulk data to thesystem, but now we are all just curious as to why SQL server doesn'texecute each individual INSERT.Any thoughts?
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Sep 30, 2007
Hi,
We have unreliable circuits connecting our office to remote sql servers. At our office I need to delete/insert a bunch of records from those remote locations. Since the connection is unreliable what is the best way to check if a server is available before executing delete/insert statements. A few points to consider:
1. I want this to be done in SQL
2. I have a cursor that cycles through a tabe that contains the name of the linked servers. The cursure is used to delete/insert a bunch of records from each remote server.
3. If one server is unavailable the stored proc should continue to the next sql server (next record in the cursor.)
Thanks,
Bradley
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Aug 29, 2013
For large databases is it a good idea to create indexes for fields that are used in Where statements? Does that improve performance and reduce overhead?
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Apr 22, 2015
I am monitoring our production server, and noticed that periodically we have spikes of Memory Paging Rate (pages/sec).
How to find particular queries/stored procedures that causing this?
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Jun 19, 2015
I want to include GO statements to execute a large stored procedure in batches, how can I do that?
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Jan 24, 2008
Hi,
I have a web application using Stored Procedure (SP). I see that there's a SP taking long time to execute. I try to capture it by Profiler Tool, and find out that with the same SP on the same db with the same parameter. The duration of executing by my web app is far bigger than the duration of executing on SQl server management studio - query window
Please see the image through this url http://kyxao.net/127/ExecutionProblem.png
Any ideas for this issue?
Thanks a lot
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Jan 23, 2008
Hi,I have a web application using Stored Procedure (SP). I see that there's a SP taking long time to execute. I try to capture it by Profiler Tool, and find out that with the same SP on the same db with the same parameter. The duration of executing by my web app is far bigger than the duration of executing on SQl server management studio - query windowPlease see the image attached http://kyxao.net/127/ExecutionProblem.png Any ideas for this issue?Thanks a lot Jalijack
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Oct 10, 2006
Hi all,I am facing an unusual issue here. I have a stored procedure, that return different set of result when I execute it from .NET component compare to when I execute it from SQL Management Studio. But as soon as I recompile the stored procedure, both will return the same results.This started to really annoying me, any thoughts or solution? Thanks very much guys
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Aug 17, 2006
Hi guys,
Need some help in some query processing...
Here goes,this is the results i have obtained so far
|id |cat | name |
1 .....a... apple
1 .....b .. banana
2 .....a ...austria
2 .....b ...brazil
2 .....c ...china
3 .....a ...abraham
3 .....c ...clinton
Column cat can have at most 3 different types of values..{a,b,c}
I wanna write a query such that the result comes out as such
<(....id ......a .......b......... c..) corresponding to these fields.>
|Col 1| Col 2 | Col 3 | Col 4|
....1 ...apple ...banana
....2 ...austria .brazil... china
....3 ...abraham ..........clinton
Anyone can help...thanks guys
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Sep 21, 2006
I use SQL Server 2005.I want to create a SP "Search". With this function a user can serach the member database on several criteria: age minimal, age maximal, name, city..BUT these criteria do not necessarily have to be defined by the user, so it might be that a user searches for all members whose age is between ageMin and ageMax leaving the name and city criteria empty.So in my SP I have to check whether these values are empty or not. If a parameter is not empty I have to add it to my selection query.. BUT, I know that SQL Server makes an execution plan, and understood that when you use if-statements the procedure needs to be recompiled every time?Is this true? If so:how does this work then?Is there another way for me to still be able to create this SP?
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Dec 11, 2006
Hello guys. How is this declared in SQL?
Select * FROM my_table
if my_column = "1" UPDATE my_table SET my_other_column= "a" ////my_column and my_other_column belong to my_table
else if my_column="2" UPDATE my_table SET my_other_column= "b" ////my_column and my_other_column belong to my_table
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Jan 27, 2008
Hi, I would like to know the number of SQL statements per second being generated by my web site. How can I know this? Best Regards,MeeNge
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Apr 8, 2008
Hello I have an SQL Data Source i want to compare 2 dates if one is equal to or less than the other i want to return either a string or a true i have been trying combinations for about an hour and it's getting a little frustrating i;ve tried searching for an example but cant find one so somesthing like Select ValuesWhere Date1 <= Date2 Return "String"(orTrue?) also IF date1 <= Today() Return "String OR True" thanks Chris
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Feb 22, 2006
I have some trade data. One colum is tran_status_mtf. within that column is "settled/traded", "cancelled", and "revised". I want to write and SQL statement that says if the trade is "settled" or "traded" display "A" in my output. How do I do this? I am new to SQL. Thanks in advance guys!!!
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Jun 3, 2008
I need to create a brief statement in Design View for SQL 2000.
I successfully wrote "isnull(dbo.Data.Parcel,'')in the Column in Design View, which would ensure that a null value would be listed as a blank. Now I need to have dbo.data.status show as 'C&G' in any instance of data, otherwise it will be listed as blank. I tried writing "isnotnull(db0.data.status,'Homestead', '')", but it does not work.
Is there a simple statement I can write in "column" of design view that can get the results that I need?
-Steve
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May 21, 2007
I have written an sql statement thats using sum. The problem that I have is that when the value is zero it returns Null. Is there a way that I could return zero instead of null.
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Oct 19, 2007
I am totally new to creating IF statements inside stored procedures. I am passing some parameters from a ColdFusion form to a SP and if the form is empty for the small date I get an error. I would like to be able to check in the procedure to see if the parameter is empty and if it is set a default value for it. Here is my code.
@JOB1,
@COLLEGEDATE smalldatetime,
If(@COLLEGEDATE <> ''")
@COLLEGEDATE smalldatetime,
ELSE
@COLLEGEDATE = getDate(),
RETURN
@JOB2
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Sep 16, 2006
Hi, i just want to know if the T-SQL statements in SQL server 2005 are different from SQL Server 2000???
If they are different, where can i find the Server 2005 T-SQL Statements?
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Apr 16, 2007
Hello,
I have a report with 1 field that I need to sum into 2 different textboxes based on another field's value.
Specifically, Is it simply doing something like this below?
=Iif(Fields!iBB.Value=1, Sum(Fields!Billed.Value)
=Iif(Fields!iBB.Value=0, Sum(Fields!UnBilled.Value)
Which will not get past intellisense checking, -or- do I have to do something different here?
Thanks in advance.
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Dec 15, 2006
Hi guys! I have these commands that insert into two tables, if condition 1 is met, it will insert into the first table, if the second condition is met, it will insert into the second table.
Is there a way for the insert statements to be merged so that I won't be executing two statements?
Dim update_phase_before As New SqlCommand("INSERT INTO TE_shounin_todokesho_jizen (syain_No,date_kyou,time_kyou) SELECT syain_No,date_kyou,time_kyou FROM TE_todokesho WHERE TE_todokesho.b_a='before'", cnn)
Dim update_phase_after As New SqlCommand("INSERT INTO TE_shounin_todokesho_jigo (syain_No,date_kyou,time_kyou) SELECT syain_No,date_kyou,time_kyou FROM TE_todokesho WHERE TE_todokesho.b_a='after'", cnn)
Thanks.
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Jan 16, 2007
Hello, how can i merge together several select statements?
I have something like this:
CREATE PROCEDURE Forum_GetThreads @ID int,@AscDesc bitASBEGINSET NOCOUNT ON;SELECT * FROM forum_ansageSELECT * FROM forum_topics WHERE (status = 0) ORDER BY (created) DESCIF (@AscDesc = 0)BEGIN SELECT * FROM forum_topics WHERE (status > 0) ORDER BY (created) DESCENDELSEBEGIN SELECT * FROM forum_topics WHERE (status > 0) ORDER BY (created) ASCENDHere i want to merge them all together and return only one SELECT statement with all the data
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Feb 21, 2007
I'm running a custom built report on .net page Basically there are a lot categories. I need to run SQL statements for and for each category, the catch is these statements are all in loops for i = 1 to 12. Therefore 108 categories X 12 iterations of SQL calls = a little more that 1200 sql calls from one .net page.
There is obviously a major problem with load time and running these reports are painful to the user and the system.
Is there any easier way to possibly pre-compile all the data into a temp database so I wouldn't need to make as many sql calls??????? If so, would a stored procedure handle something like this.
Sorry for being somewhat vague.
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Apr 11, 2007
How do I handle and apostrophes and other punctuation in stored procedure Sql statements:
SELECT L_ID, L_NameFROM tblHVACContractorsWHERE (L_Name = 'Mare's Heating & Cooling Services')
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May 4, 2007
Hello,
I have SqlDataSource to retrieve a data into DetailsView, or GridView, whatever.
I want to use two Select command like this:
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="Data Source=AHMED-4714D04B3;Initial Catalog=mp;Integrated Security=True"
<%
if (( parID == 3) || (ParID ==4)
{
SelectCommand="SELECT [PID], [PageID], [PageContent], [ParID], [ChiID] FROM [mp_page] WHERE ([ParID] = @ParID)">
<SelectParameters>
<asp:ControlParameter ControlID="DropDownList1" Name="ParID" PropertyName="SelectedValue" />
</SelectParameters>
}
else
{
SelectCommand="SELECT [PID], [PageID], [PageContent], [ParID], [ChiID] FROM [mp_page] WHERE ([ChiID] = @ChiID)">
<SelectParameters>
<asp:ControlParameter ControlID="DropDownList1" Name="ChiID" PropertyName="SelectedValue" />
</SelectParameters>
}
</asp:SqlDataSource>
Is it possible to do something like that ?
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Jun 5, 2008
Hey everyone,
I'm making a site and I need to write some code that will do the following things:
Write a statement for the Page_Load event to pull the information from the db and load it into a textbox and a textbox with multiline attribute.
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Mar 7, 2006
I'm trying to combine the following two strings to create a single Insert statement (and thus only generate one record instead of two).
insertString = "Insert comments (uID) Select uID FROM users WHERE uName = @uName"
insertString2 = "INSERT comments (eventID, text) VALUES ( @eventID, @comment)"
I have tried:
Insert comments (uID, eventID, text) SELECT uID FROM users WHERE uName = @uName VALUES (uID, @eventID, @comment)
Individually they work fine, but I can't get the syntax correct to allow them to work together. As you can tell, I'm not very good with SQL, so any help would be greatly appreciated!
Thanks in advance.
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Jan 30, 2002
I have a web application that has SQL7 as the back end. SQLServer and ORACLE have a feature that allows sql commands to be combined in one statement. Another words I am able to to
SELECT * FROM table_name WHERE id = 2 DROP TABLE other_table
If I type this in a query analyzer It will perform both commands. Is there a way to turn this 'feature' off.
The main reason I want to turn it off is so if a numerical value is sent as a url variable someone can't add the drop table statement or any other sql command to the value of the url variable and have it executed. We have added ample code to trap for this problem but I would like to also handle it at the database level.
Thanks,
Jeff
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May 31, 2000
Folks,
I'm having some real problems using the OR condition in a very simple SQL statement and could use your help or insight on where the problem lies, or perhaps a workaround.
I have a large flat table in a SQL 7 database with 10 million + records called "HISTORY". I have not installed either service pack 1 or 2. I'm attempting to run a query that references the following four fields which are all non-clustered keys:
EQUIPMENT_NO TEXT 12
CHASSIS_IN TEXT 12
CHASSIS TEXT 12
SVC_DATE_TIME SMALLDATETIME
Here's the SQL statement:
SELECT * FROM HISTORY WHERE (HISTORY.EQUIPMENT_NO = 'XYZ123' OR HISTORY.CHASSIS = 'XYZ123' OR HISTORY.CHASSIS_IN = 'XYZ123') AND SVC_DATE_TIME >= '01/15/00 00:00:00 AM' AND SVC_DATE_TIME <= '02/28/00 23:59:59 PM'
ORDER BY EQUIPMENT_NO
This query takes 11 min. 5 sec. inder the Query Analyzer and ultimately returns the 31 desired records.
If you remove the SVC_DATE_TIME criteria, about 350 records are returned in a matter of seconds. I've also tried variations on the date syntax such as '01/15/00', etc. with no change in the amount of time to execute.
Other queries such as a simple AND condition combining EQUIPMENT_NO and SVC_DATE_TIME are snappy.
Are there known problems/bugs with "OR" conditions in queries that anyone is aware of, particularly with parentheses; am I composing this query incorrectly? Is there some alternate syntax that would work as expected? I can't see where the query shouldn't execute quickly as expected, particularly with all indexed fields involved. I'm stumped! Lend me your expertise. Thanks much.
Clark R. Farabaugh, Jr.
Financial Systems Analyst
VIT
Norfolk, VA
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