Select * From Something Where Field1 = N'literal'
Jul 23, 2005
What exactly is happening when a query is sent using the N in front of
the string to be found?
Under what conditions would someone use the N' in a query?
I have been testing out some chinese text. I set up some fields of
nVarchar, nText and it works with an N. Without the N, it wont work.
N also works with fields of varchar and text for english.
Would this ever cause a problem to a query depending on how the
machines regional settings are set? Why not just put N in all of the
queryies?
If anyone has some ideas, I would be grateful for any and all
information about the N.
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Mar 19, 2008
I have a Log table which records items found on library shelves during a shelf scanning process. Each time a shelf is scanned all the items found are recorded in the log table and the ScanCount value is incremented (per shelf). This means that if I get the records with the highest available ScanCount value for each ShelfID, then I would have the most up to date picture of my library.
From this sample data I would like to return the latest rows (max scan count) for all shelves (which would be LogID: 7,8 (shelf A) 3,4 (Shelf B) 5,6 (Shelf C):
LogID ShelfID ScanCount ItemName
1 A 1 Dave
2 A 1 Alan
3 B 1 Mike
4 B 1 Andy
5 C 1 Mary
6 C 1 Mark
7 A 2 Sam
8 A 2 Will
I'm not sure how to do this - presumably with an inner select? Could someone help? thanks
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Nov 9, 2004
This may be a more general question but I love SQL Server so Ill pose it here. I couldnt find this answer on google so that why Im asking. I was never taught (or I was too high to retain the info) form college in my one DB class.
What are the performace impacts, if any, on doing a "SELECT * FROM table" vs. "SELECT each, column, called, out, but, not, all, of, them FROM table" ?
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Nov 29, 2007
Is there a method to convert "Select * From Table" to "Select field1,field2,...fieldn From Table" ?
Thanks
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Mar 4, 2004
--create a temp table like:
select * into #tmp from
(select 1 as ID
union all select 2
union all select 3
union all select 4
) as A
-then run this query:
select B.ID,isNull(B.GID,0) as GID from
(select #tmp.ID,A.GID
from
#tmp
left outer join
(select ID,1 as GID from #tmp where ID in (2,4)) A
on #tmp.ID = A.ID
) as B
--I thougth it should return:
10
21
30
41
--but it actually returned:
IDGID
11
21
31
41
--if I change GID value in '...(select ID,1 as GID from #tmp where ID in (2,4)...', for example 2, then it return:
IDGID
12
22
32
42
WHY?
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Jul 20, 2005
Hi,I am getting errors in the following... Is it even possible to join onCONTAINS?SELECT ListA.ContentFROM ListA LEFT OUTER JOIN ListBON CONTAINS(ListB.Content, ListA.Content)WHERE ListB.Content IS NULLThanks!
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Feb 11, 2008
update table1 set field1=null where id=1; commit;
where I can look for the user,who execute this statment?
It was 6.02.2007 or 7.02.2007.
All users connect using SQL Serwer Authentication.
It is test database and from 1 to 3 users connect to it, and submit not more then 10 SQl statmant per day.
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Apr 12, 2006
Howdy,Is it okay to use a literal value with the IN clause. E.g.SELECT somefield, anotherfield.....WHERE ...etc.AND 1234 IN (SELECT userid FROM tblUsers)I was told it wasn't valid, but I'm pretty sure it worked for me. Justseeking clarification.cheers,
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Apr 1, 2008
Hi,
A really basic problem in psuedo code...
select * from mytable where email = 'test@go.com'
This throws back:
Unclosed quotation mark before the character string 'test@'.
Line 1: Incorrect syntax near 'test@'.
Unclosed quotation mark before the character string ''.
Because of the 'go'. Other addresses featuring 'go' suffer the same problem. How do I escape it?
Thanks,
Joe
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Oct 5, 2007
I have a stored procedure that starts like this:
.
.
.
UPDATE Employees
set depth=0, hierarchy=NULL
UPDATE Employees
set depth=1, hierarchy=right(@MaxPadLength + CAST(Employees.Parent AS varchar(255)),@DisplayPadLength)
where Child = Parent
WHILE EXISTS
(
SELECT *
FROM Employees
WHERE Depth=0
)
.
.
.
I have many tables that have the same structure as the Employees table but have different names. I would like to pass the PS a paramater with the table name I want to process. My question is what is the correct syntax to use a parameter in place of the literals for the table name?
Thanks
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Oct 25, 2007
I am trying to extract the month from a date field, and I am able to get the integer for the month, however, when I try to convert the integer to the literal, e.g. 3 to March, I am having issues.
I have a field called PROCES, which represents a date processed, which is numeric(8).... i.e. 20061231.
I am using:
SELECT datepart(mm,cast(convert(char(8),PROCES)as datetime))
which gives me the correct integer.
When I try:
SELECT datename(mm,datepart(mm,cast(convert(char(8),PROCES)as datetime)))
I get January for all records...?
Does anyone know why, and how to fix.
Thanks
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Feb 24, 2008
Hello,
I am trying to insert some values retrieved from textboxes into an Access DB using ASP.NET. When I try to run this code I get an error reading "Too many characters in character literal". What does this mean? Also, how do I break new lines, does way this look ok?
string connectionString = ConfigurationManager.ConnectionStrings["ConnectionString1"].ConnectionString;
string sQuery2 = INSERT INTO Member(FirstName, LastName, StreetAdress, PostalAdress, Telephone, Email),
VALUES ('strFirstName', 'strLastName', 'strStreetAddress', 'strPostalAddress', 'strTelephone', 'strEmail');
OleDbConnection oOleDbConnection = new OleDbConnection(connectionString);
oOleDbConnection.Open();
OleDbCommand command2 = new OleDbCommand(sQuery2, oOleDbConnection);
OleDbDataReader reader2 = command2.ExecuteNonQuery();
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Aug 8, 2006
hi!
din't work. I need some thing in C# that can execute like this:
This works in SQl Query perfectly.
xp_cmdshell 'dtexec /f "D:\SSISProject\Integration Services Project1\ArchiveMainMultiTables.dtsx"/Set package.Variables[User::connectst].Properties[Value];""Data Source=SE413695AASQL2005;Initial Catalog=TestDB;Provider=SQLNCLI.1;Integrated Security=SSPI;""'
How do we interpret in c# currently i have some thing like this which is not correct i need to fix this to work in C#
string conn = @"""Data Source=SE413695AASQL2005;Initial Catalog=TestDB;Provider=SQLNCLI.1;Integrated Security=SSPI;""""";
path = @"""D:SSISProjectIntegration Services Project1ArchiveMainMultiTables.dtsx";
jobCommand = new SqlCommand(@"xp_cmdshell 'dtexec /f " + path + "" /Set \package.Variables[User::connectst].Properties[Value]; " + conn + ""'", cconn);
Thanks,
Ja
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Aug 7, 2006
when i execute in sql this works fine:
xp_cmdshell 'dtexec /f "D:SSISProjectIntegration Services Project1ArchiveMainMultiTables.dtsx" /Conn TahoeDB;"Provider=SQLNCLI.1;Data Source=SE413695AASQL2005;Initial Catalog=TestDB;Provider=SQLNCLI.1;Integrated Security=SSPI;"'
but when i execute in C# i get this value
string connect = @"TahoeDB;""Data Source=SE413695AASQL2005;Initial Catalog=TestDB;Provider=SQLNCLI.1;Integrated Security=SSPI;""";
xp_cmdshell 'dtexec /f "D:\SSISProject\Integration Services Project1\ArchiveMainMultiTables.dtsx" /Conn "TahoeDB;"Data Source=SE413695\AASQL2005;Initial Catalog=TestDB;Provider=SQLNCLI.1;Integrated Security=SSPI;"" ' -- this thorughs up error in sql
Option "Source=SE413695\AASQL2005;Initial" is not valid.This is basically after Data there is a space till Initial and then space catalog.
what should i do ? any help
thanks,
Jas
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Aug 6, 2007
Hi,
I want to convert literal string to unicode before insert into the database. and after insertion i want to retrive this value from data base and convert back to literal string.
pls tell me how to incode and decode literal string to unicode and from unicode to literal string.
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Mar 21, 2005
In MS Sql 2000 - is it possible to find the literal underscore character (_). Something like:
SELECT * FROM foo WHERE bar like 'a\_%'
where the query would return "a_abc", "a_cba", and "a_lksdfjlkdsjlksjdfl", but not "abc"?
I've tried:
SELECT * FROM foo WHERE bar like 'a\_%'
SELECT * FROM foo WHERE bar like ( 'a' + CHAR(95) + '%' )
Any other suggestions?
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May 3, 2007
When a report is exported to Excel, the footer is set to a literal "page 1 of 1" even though it's specified as
="Page " + CStr(Globals!PageNumber) + " of " + CStr(Globals!TotalPages)
in the rldc report definition.
Hence, if you print from Excel every page has the 'page 1 of 1' footer. Not very useful.
Is there a way to either suppress the output of the footer (only when going to Excel cause you need it when exporting to PDF) -or- get it to generate the correct excel footer of 'page 1 of ?'????
Thanks,
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Aug 14, 2015
I'm struggling with the syntax for qualifying an openquery's results with a where clause. I copied this from examples on the web but get the error incorrect syntax near '32810'.
declare @sysid varchar(50) = '32810C534D01C920E7CB07EBC0A80122'
declare @sql varchar(500) =
'select * from OPENQUERY(WAREHOUSE,''select * from xxx.yyyy where sys_id = ''' + @sysid + ''''')'
exec(@sql)
selecting @sql it looks like
select * from OPENQUERY(WAREHOUSE,'select * from xxx.yyyy where sys_id = '32810C534D01C920E7CB07EBC0A80122'')
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Apr 20, 2006
Hi,
I'm a newbee to SQL Server. I have a very simple question to you experts: How should I code a literal of the "datetime"-Datatype? For Example in the VALUES-clause of an SQL-statement. I have tested several "formats" ('20.04.2006 11:15:00' with an 4-digit year enclosed in single apostrophes) but all i earned is an exception!
Any help very appreciated!
Thanks in advance and best regards
Reiner
PS.: I'm using a german-localized database (thus the date-format dd.MM.yyyy).
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May 9, 2008
The proc below does two queries that are functionally identical. The only difference is that one LIKE 'foo%', and the other uses LIKE @searchText, where @searchText = 'foo%'.
But the first does an index seek, and the second does an index scan -- and it makes a big difference in performance. (Timing stats are below.)
How can I make the second query seek instead of scanning?
CREATE PROCEDURE test_like
@searchText nvarchar(64)
AS
-- Straight literal string search
SELECT companyId
FROM companies
WHERE searchbrand LIKE 'foo%'
-- With param
SELECT companyId
FROM companies
WHERE searchbrand LIKE @searchText
OPTION(OPTIMIZE FOR(@searchText = 'foo%'))
GO
EXEC test_like 'foo%'
-- Query 1:
SQL Server Execution Times:
CPU time = 0 ms, elapsed time = 1 ms.
-- Query 2:
SQL Server Execution Times:
CPU time = 47 ms, elapsed time = 40 ms.
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Jan 18, 2008
Hello all,
From what I've read, SQL Server is supposed to do a phrase match when you do a full text search that contains quoted literals. So, for example, if I did a full text search on the phrase "time out" and I put it in quotes, it's supposed to search for the full phrase "time out" and not just look for rows that contain the words "time" or "out." However, this isn't working for me.
Here is the query that I'm using :
SELECT *
FROM Content_Items ci
INNER JOIN FREETEXTTABLE(Content_Items, hed, '"time out"') AS ft ON ci.contentItemId = ft.[KEY]
ORDER BY ft.RANK DESC
What's it's doing is this : it's returning a bunch of rows that have the words "time" or "out" in the column called hed. It's also returning rows that have the full phrase "time out", but it's giving those rows the same rank as rows that only contain the word "time." In this case, that rank is 180.
Is there anything else I should be doing in my query, or is there some configuration option I should have turned on?
Thanks.
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May 6, 2008
The Web Service Task seems to support calling methods using parameters but not (as far as I can see) using the Document/Literal calling convention. Is this correct? Is this likely to change in the future?
Thanks
*** Campbell
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Apr 15, 2006
Hi, I have a datareader component of which i am dynamically setting its sqlcommand statement with expression (click the background of dataflow > properties > expressions). Now my sql select statement has about 600 fields so that makes my expression statment "select field1, field2, .....from table1 where field2 >=" + @[User::dateforfield2] but when i evalute the expresssion (which is right), i get the error: A string literal in the expression exceeds the maximum allowed length of 4000 character and i think its because of the fields in my select statment causing my string literal to grow more than 4000 characters. Is there any way to increase the max string literal for expressions. Please help.
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Nov 9, 2015
I am working on SSRS report deployed on the sharepoint.
By default, it is displaying " Microsoft SQL Server Reporting Services " on the report
How can that be removed?
Secondly as I don't have the requirement to default the report parameters so I am getting
"Specify parameter values ............... button "
Any way to replace it with some other text etc...
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Apr 14, 2015
how SQL 2012 would treat a literal string for a comparison similar to below. I want to ensure that the server isn't implicitly converting the value as it runs the SQL, so I'd rather change the data type in one of my tables, as unicode isn't required.
Declare @T Table (S varchar(2))
Declare @S nvarchar(255)
Insert into @T
Values ('AR'), ('AT'), ('AW')
Set @S = 'Auto Repairs'
Select *
from @T T
where case @S when 'Auto Repairs' then 'AR'
when 'Auto Target' then 'AT'
when 'Auto Wash' then 'AW' end = T.STo summarise
in the above would AR, AT and AW in the case statement be treated as a nvarchar, as that's the field the case is wrapped around, or would it be treated as a varchar, as that's what I'm comparing it to.
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Apr 29, 2008
Hello all,
I have two mult-value parameters in my report. Both of them working with selecting one or more values. But, when I test using "(Select All)" values for both parameters , only one parameter works. The "available values" for these two parameters are both from the data set.
select distinct ProductType
from Product
order by ProductType
Any suggestion? thx
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Aug 28, 2015
I am unable to the access on table even after providing the SELECT permission on table.
Used Query by me :
Here Test is schema ; Card is table ; User is Satish
To grant select on Table
GRANT SELECT ON TEST.Card TO satish
Even after this it is not working, So provided select on schema also.
used query : GRANT SELECT ON SCHEMA::TEST TO Satish.
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Jan 11, 2008
Hi all,
I copied and executed the following sql code in my SQL Server Management Studio Express (SSMSE):
--SELECTeg8.sql from SELECT-Using correlated subqueries of MSDN2 SELECT Examples--
USE AdventureWorks ;
GO
SELECT DISTINCT Name
FROM Production.Product p
WHERE EXISTS
(SELECT *
FROM Production.ProductModel pm
WHERE p.ProductModelID = pm.ProductModelID
AND pm.Name = 'Long-sleeve logo jersey') ;
GO
-- OR
USE AdventureWorks ;
GO
SELECT DISTINCT Name
FROM Production.Product
WHERE ProductModelID IN
(SELECT ProductModelID
FROM Production.ProductModel
WHERE Name = 'Long-sleeve logo jersey') ;
GO
=========================================
I got:
Results Messages
Name o row affected
========================================
I think I did not get a complete output from this job. Please help and advise whether I should search somewhere in the SSMSE for the complete results or I should correct some code statements in my SELECTeg8.sql for obtaining the complete results.
Thanks in advance,
Scott Chang
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Aug 4, 2015
I have a report that uses different datasets based on the year selected by a user.
I have a year_id parameter that sets a report variable named dataset_chosen. I have varified that these are working correctly together.
I have attempted populating table cell data to display from the chosen dataset. As yet to no avail.
How could I display data from the dataset a user selects via the year_id options?
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Aug 16, 2007
Dear All
I need to cerate a SP that SELECTS all the records from a table WHERE the first letter of each records starts with 'A' or 'B' or 'C' and so on. The letter is passed via a parameter from a aspx web page, I was wondering that someone can help me in the what TSQL to use I am not looking for a solution just a poin in the right direction. Can you help.
Thanks Ross
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Dec 4, 2007
I have a problem where my users complain that a select statement takes too long, at 90 seconds, to read 120 records out of a database.
The select statement reads from 9 tables three of which contain 1000000 records, the others contain between 100 and 250000 records.
I have checked that each column in the joins are indexed - they are (but some of them are clustered indexes, not unclustered).
I have run the SQL Profiler trace from the run of the query through the "Database Engine Tuning Advisor". That just suggested two statistics items which I added (no benefit) and two indexes for tables that are not involved at all in the query (I didn't add these).
I also ran the query through the Query window in SSMS with "Include Actual Execution Plan" enabled. This showed that all the execution time was being taken up by searches of the clustered indexes.
I have tried running the select with just three tables involved, and it completes fast. I added a fourth and it took 7 seconds. However there was no WHERE clause for the fourth table, so I got a cartesian product which might have explained the problem.
So my question is: Is it normal for such a type of read query to take 90 seconds to complete?
Is there anything I could do to speed it up.
Any other thoughts?
Thanks
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Jun 8, 2007
Hi All
I am using SQL Server 2005 with SP2. I have multi select parameter in the report. In SP2 reporting services gives Select All option in the drop down.
Is there any way I can remove that option from the list?
Thanks
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Sep 17, 2007
Hey guys i have a stock table and a stock type table and what i would like to do is say for every different piece of stock find out how many are available The two tables are like thisstockIDconsumableIDstockAvailableconsumableIDconsumableName So i want to,Select every consumableName in my table and then group all the stock by the consumable ID with some form of total where stockavailable = 1I should then end up with a table like thisEpson T001 - Available 6Epson T002 - Available 0Epson T003 - Available 4If anyone can help me i would be very appreciative. If you want excact table names etc then i can put that here but for now i thought i would ask how you would do it and then give it a go myself.ThanksMatt
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