I am working on a project where in one SQL query i am using joins to fetch data from diffrent tables. The execution time of the query is 20 seconds for 80 rows on my local server. How can i optimize this.
View 3 RepliesI have one question regarding how to make the below mentioned type of query more optimized so that mine query perfomace can be increased.
Select a.name1,a.address1,b.field3,c.field4,d.field6,e.field7
from a
inner join b on a.id=b.id
inner join c on c.id=b.id
inner join d on d.id=c.id
iner join e on e.id=d.id
union all
Select a1.name1,a1.address1,b1.field3,c.field4,d.field6,e.field7
from a1
inner join b1 on a1.id=b1.id
inner join c on c.id=b1.id
inner join d on d.id=c.id
iner join e on e.id=d.id
union all
Select a2.name1,a2.address1,b2.field3,c.field4,d.field6,e.field7
from a2
inner join b2 on a2.id=b2.id
inner join c on c.id=b2.id
inner join d on d.id=c.id
iner join e on e.id=d.id
All the above three select query at last using the same inner join condition, means last two inner join condition are the same for all the select query.
Is there any way so that this query can be optimized?
I have one query which is not responding even after 4 minutes. But same query is when called from asp.net pages (though stored procedure), responds within 10 seconds. My Query:
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I don't want to know the ways to optimize the query as I have already changed the query and now it responds within fraction of second. I just want to know that, why it was not reponding after 4 minutes in SQL Management Studio and responds in just 10 seconds when run from asp.net through stored procedure. I am using SQL 2008 Express with Advanced services and .NET 3.5.
I have select query like this :
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i need record with id 1 and 3 only how do i get in sql server 2005.(means distinct empcod onl.
View 3 Repliesi have a table for customer forecast which contains customer, week number and quantit as columns. now i need to write query and list the week as column for each customer and each cell should have a quantity. how to write query for this using pivot logic. i dont want to use cursor.
View 3 RepliesThis query does not return any record
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1. I have a GridView on my page and it uses sqldatasource with parameterized query. What I want to do is, on page load (where nothing has been selected so no parameter supplied), I want it to query everything (something like SELECT * FROM [this_table]) but since my SelectCommand is something like
SELECT * FROM [this_table] WHERE [this_column] = @someParameters AND [that_column] = @someParameters.
Can I play around with default value to achieve something like that but how ? Now, when the page loads, it doesn't show anything (No Gridview).
2. On my page, I made something like (username, gender, address, and more) and one single search button. That means, no single control enable auto postback. What I am trying to accomplish is building dynamic query
(if username specifed -> SELECT * FROM [this_table] WHERE [username] LIKE @username).
If both username and gender are specified (SELECT * FROM [this_table] WHERE [username] LIKE @username AND [gender] = @gender) and you know the rest. How can I do this using GridView and SqlDataSource ? To my knowledge, I can only specify one SELECT statement in a sqldatasource.
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This query works perfectly on the query analyser.
But when configuring the Table adapter ,I try executing the query and i get 0 rows affected.
What could I be getting wrong in this case.
NB:Existing GalleryID has been supplied.
By right clicking on my database i created a query in server explorer. But where are this query stored can't find them back. I should aspect that their is a folder query's like there is a folder tables but this isn't the case.
View 10 Repliesselect Groupid,GroupName,onorusername from palgroup where groupid in (select distinct Groupid
View 5 RepliesI've got a query such as
Dim MediaQuery =
From m
In dB.DOWNLOADS _Where m.ID = id _Select
which returns a record from the database. One of the fields in the record is a FK to another table. I need to read this value to be able to set a dropdown based on the ID but I can't work out how to access it. For a standard record I can just do the following txtTitle.Text = MediaQuery.FirstOrDefault().TITLE
However with the foreign key it doesn't work like that. I've tried drpGroup.SelectedIndex = MediaQuery.FirstOrDefault().DOWNLOAD_GROUPS.ID where DOWNLOAD_GROUPS is the FK field but it returns Object reference not set to an instance of an object. If you're simply wanting to read some values from a single db record in the entitiy framework and one is a foreign key how should I go about getting the value?
i had the sql 2008 enterprise and i want to go back to sql server 2005 because in 2008 i created new database but when i did some changes in the table , it gave me an eror that i cant save thins and i need to creat new one if some one know what i'm talking aboutif not i need the sql server installation tutorial i tried by myself but probebly i did it wrong and now i cant connect well to the sql
View 2 RepliesHow to query a SQL database with 3 field values ( From date, To date and based on a Dropdown Selection)
I use the below code:
sqls = "SELECT * FROM QlyData where Date >='" + txtstartdate.Text +
"' and Date<='" + txtenddate.Text +
"' and '" + supportgrp.Text +
"'";
Supportgrp.text is a Dropdown selection.I get the below error:
Exception Details: System.Data.SqlClient.SqlException: An expression of non-boolean type specified in a context where a condition is expected, near 'Database'.
in sql 2008 .mdf file detached and attached db in sql 2005.
View 1 RepliesWe currently have a DB in SQL 2005 and would like to convert it to SQL 2008 taking advantage of all the new features (if there are any) in SQL 2008. Would like to know the best approach or if there are any tools which can convert all the tables/views/storeprocs etc to 2008 specifications...
View 6 RepliesIs there any way to alter or modify the synonyms in SQL Server 2005 (either using SQL Server Management Studio or T-SQL)
View 1 RepliesWhen i open a table in Sql 2005 i get an error Invalid directory
View 1 Replies1 - Visual studio 2008 is already installed with sql server 2005 express edition installed implicity with it.
2 - Sql server 2005 management studion Express Edition is already installed.
3 - Today, I downloaded the one with Advanced Services and installed it but it did not compledte installation
A) [URL]
B) [URL]
C) [URL]
D) [URL]
let say i have 2 table (PARENT and STUDENT table)
the structure for both table are
STUDENT
PARENT
student_id (PK) parent_id (PK)
student_parent (FK) parent_status (the value is either ACTIVE OR INACTIVE)
- parent_id is refer by STUDENT table as a foreign key
- now i want to inactive the status for parent
- i want my system pop out a message something like "The parent you want to inactive is refer by a student, inactive is not allow"
- is it any constraint in SQL Server 2005 to help me check whether parent it is refer by student table? The concept i want to use is something like delete constraint in SQL Server 2005 mean it is not allow to delete a person who is refer by a student in STUDENT table.
I have a work request web page that now has a need for my users to add screenshots to.
View 2 RepliesI have a requirement where in i need to do DATA MASKING, of the data in all the tables in my project.Please suggest me the ways to do this, as the masking procedure should not make any changes to the RULE's.For ex:- EMPLOYEE table , have fields like {empl_id, name, addrs, ph_no, email, dept_id} all the contents of these columns should be shuffled in such a way that all the referential intergrity remains same. Like the changes to the data should not affect the DEPARTMENT table , as the EMPLOYEE table is having a FOREIGN KEY relation with the DEPARTMENT.
View 1 Repliescan any1 provide me a link to download set up file for help on sql server 2005. like msdn offline libraries..
View 2 RepliesWhen I select
SELECT CAST('uyarı' AS varchar(200)) COLLATE Turkish_CI_AS
it returns me as uyari
simply it converts ı to i
But I do not want it. If I insert it into database manually it inserts but when I try to insert from stored procedure it does not.
i am tring to connect to my db in sql server 2005 :) and have some problem with it.the error that i get is : Keyword not supported: 'datasource'.the line that i have an error is :
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my code is simple:
[Code]....