Transact SQL :: Is Table Will Be Extracted When Querying To DB Views

Sep 15, 2015

I wonder how the query will be executed when querying to views.Is database engine will be extract the tables that are used to create the view and query for the result ?

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Transact SQL :: Querying Data From Master Table Into Transaction Table?

Oct 13, 2015

I am stuck in the following scenario.

Tbl_Loan
Trans_ID
Emp_ID
Guarantor_1_ID
Guarantor_1_ID
TRN_01
EMP_01

[code]....

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Querying SQL Views

Jan 27, 2008

 If you create a view such as   CREATE VIEW TestView AS Select * FROM customers_table WHERE CustomerID between 213 AND 3443  Each time you want to select from the view - is the View going to perform the WHERE clause on the customers_table, or not? Or does the view already have the virtual rows?, meaning it does not have to perform a where clause  (WHERE CustomerID between 213 AND 3443) on the customers_table, and just performs an inner join with the rows it already has?  

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Querying Data From Multiple Views

Jul 23, 2005

Hello,I am relatively new to doing non-trivial SQL queries.I have to get data out of 8 diff views based on a parameter Name.There is a view having name-ssn pairs. All other views have SSN field.For a person there MAY NOT be data in all the views.I have to populate data into diff tables in a Report from differentviews.I would like to know what is the best way to approach it.So far I was trying an Inner join from the Name-ssn vies to all otherviews based on the SSN and test for the name field with the inputparameter.I am thinking there will be problem of Cross join if I dont have datain all views about a person.Or the best way is to write query for each view and have all of them ina stored procedure ?Any help will be appreciatedThanksBofo

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Querying Metadata Through System Views And Tables

Mar 15, 2008

Please, could anyone tell me how to get information from which attribute of which table is the attribute from the view derived(it could also be a complex expression, not just attribute)through querying system tables or views(INFORMATION_SCHEMA, preferably if possible, because it's standard)

i'm using MSSQL2005.

Thank you!

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Create Table From Text File, Extract Data, Create New Table From Extracted Data....

May 3, 2004

Hello all,

Please help....

I have a text file which needs to be created into a table (let's call it DataFile table). For now I'm just doing the manual DTS to import the txt into SQL server to create the table, which works. But here's my problem....

I need to extract data from DataFile table, here's my query:

select * from dbo.DataFile
where DF_SC_Case_Nbr not like '0000%';

Then I need to create a new table for the extracted data, let's call it ExtractedDataFile. But I don't know how to create a new table and insert the data I selected above into the new one.

Also, can the extraction and the creation of new table be done in just one stored procedure? or is there any other way of doing all this (including the importation of the text file)?

Any help would be highly appreciated.

Thanks in advance.

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Transact SQL :: Querying Data With Latest Date

Jun 24, 2015

Below is the table information. I want the Code information with latest EDate only.

CREATE TABLE Test
(
EDate Datetime,
Code varchar(255),
Cdate int,
Price int
);

[Code] ....

Expected output :
 
2015-06-23 00:00:00.000 CL 20150701 73
2011-04-08 00:00:00.000 XP 20110501 37
2015-06-23 00:00:00.000 HO 20150701 22

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Need Help, How To Change Datatype In Order To Sort Some Extracted Numbers From String

Apr 3, 2006

Hello,

I am trying to extract from some strings like the following strings the number and order them by that number:

Box 1
Box 2
Box 3
Box 20
Box 21
...(and so on)


The problem I am having is that I already extracted the number using

Substring([field],[starting position],[lenght])

but the output seems to be in a string format, so the order is not in an ascending order.

Thanks for any suggestions.

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Transact SQL :: Combine Two Views Into One Statement Or One View

Oct 15, 2015

I'd like to get results from ZTest_Contract being my result set, and would like to combine the subquery (which gets the Max) into the primary view ZTest_Contract.

CREATE VIEW [dbo].[ZTest_Contract] AS
Select
M.CUSTNMBR,
M.ADRSCode,
M.Contract_number,
M.MaxWSCONTSQ,
M.Equipment_id,

[Code] ......

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Transact SQL :: Output Views In Dependency Order

Jun 25, 2015

Using t-sql, how to list all views in dependency order? I'm trying to script out the creation of views, but need to make sure they are in the correct order when i execute them. 

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Querying Using Another Table

Apr 30, 2008

Hello all,

I have a table (tbl_a) with 2 columns: itemNames | Date .
ItemNames can have duplicates.
I have another table (tbl_b) with date ranges in 2 columns: startDate | endDate.

what I would like to do is: query tbl_a where date between startDate and endDate of tbl_b.

does anyone have an idea?
thanks in advance.

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Querying Table More Than Once

Jun 12, 2008

Hi All

Thx in advanced for any help anyone can offer me.

I have 2 tables Staff and Class which are as follows

Staff
ID (Primary Key)
FirstName
MiddleName
Surname
Etc. . .

Class
ID (Primary key)
LessonTemplateID
TeacherID
TermID
AssistantID

LessonTemplateID and TermID link to other tables which i don't need right now.

The Class.TeacherID and Class.AssistantID both link to the Staff.ID

I am trying to create a query where i can say i want to select a class.ID of lets say 12 and display both the Teachers name and the Assistants Name.

If i do just one join between Staff.ID and lets say Class.TeacherID all is fine and i can display the teacher.FirstName for a particular class.ID. However my problem is when im trying to display both teacher and assistant. Every time i try to create a query to do this the query comes back blank.

Im really stuck on this and just can't figure it out (is it even possible?).

Thx for any help Scott.

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Querying Between Table Adapters ?

Sep 12, 2006

Hi all, I am currently moving from access queries to SQL and am using the query Builder In Visual web developerto help me with the SQL Code..This has been easy while just querying the one table adapter but Now I am stuck..I have a table adapter that links to an SQL Server database through a connection in web.config.I have another table adapter that links to DB2 through a different Connetion in web.config.My question is ..How do you query from one table adapter to another.Each table adpater can only query based on the 1 connection ? Thx,Ray..

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Log Users Querying Table

May 17, 2000

We have been asked to keep a log of users querying a particular table.
User's can query any odbc compliant tool, not just one application.

Can we do this w/ sql server 7?

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Querying The Size Of Table Fields?

Jun 5, 2008

Hello I am writing a stored procedure and instead of "hard coding" the size of the procedure parameters I would like to set them to the size of fields in my database.
 for example instead of declaring a parameter like this:
@ProjectDescription varchar(500)
 
I would like to do something like this:
 
@ProjectDescription varchar(Select size of "ProjectDescription" From Projects);
 
Thanks for the help! 

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How To Keep Original Order When Querying A Table?

Sep 10, 2004

Hello, everyone:

I have a table like:

ColName
b
b
b
d
d
d
a
a
c
c
c

I use DISTINCT to filter duplicated row. I want to get the return by original order like:
b
d
a
c

However, SQL Server re-order it if using DISTINCT and return like:
a
b
c
d

Can any one have the idea to handle that? Thanks

ZYT

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Querying Table In Arbitrary Database

May 1, 2006

Would appreciate some help with this one. I need to run a query on a known table an arbitrary database. The DB name will be selected at runtime.

What I've tried:

DECLARE @DBName varchar(10)
SET @DBName = 'WBTST'

SELECT TOP 100 PERCENT Col1, Col2
FROM [@DBName].dbo.Table1
GROUP BY Col1

Result:
Invalid object name '@DBName.dbo.UPR00100'.

I've also tried without the square brackets around @DBName in the FROM clause. This results in: Incorrect syntax near '.'.

Thanks for the help
Wes

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Querying A Really Badly Designed Table

Mar 28, 2006

I am working on an application with a number of tables (which I can't
change) that have data of the form a1, b1, c1... a2, b2, c2...a3, b3,
c3... The tables contain 5 to 10 sets of data in each row.



I want to create a stored procedure to return a cursor with a row for
each set of data for a row of the table. I know I can use unions:



select a1 as a, b1 as b , c1 as c... from sometable where pk=@pk

union

select a2, b2, c2... from sometable where pk=@pk

union

select a3...



Is there a way that is more efficient (eliminates requerying the table and all the unions)?

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Transact SQL :: Ensure Code Non Regression By Keeping Consistent Signature For Procedure / Views And Function

Jul 28, 2015

In the 70-461 objectives it says: Ensure code non regression by keeping consistent signature for procedure, views and function (interfaces); security implications...I think I understand what this means in general. They want us to be able to create a view that will still be able to call the original data even if the table is modified.  In other words, the view table shouldn't easily be broken. ie, type a code that does NOT ensure non regression, then change the code so that it does ensure non regression. 

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SQL Query Question- Querying The Middle Table In A M To M

May 17, 2000

I need help with a query, and I haven't seen anything like this in a SQL book.

I will use the Northwind database for this example. The tables I am using are Products, Order_Detail, and Orders. There is a many to many relationship between Products and Orders, that is resolved by the Order_Detail table. Suppose I want to find out which products are related to each order. How would I query the tables?

Thanks everyone,
Nathan

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Querying Single Table For Multiple Summaries - How?

Jul 20, 2005

Folks,While I still have some hair left, can someone help me with thisquery?I have a table "TestRunInfo". Amongst other fields there are"TestRunIndex" (Pri Key), "TesterID", "Duration", and "Status".The Status field links to a Status table, which links the index valueto a more meaningful label "Pass", "Fail" etc...As you may have guessed, there is a record for each test that anindividual tester runs, and with that record is a duration, and status(1,2,3 etc).What Im trying to do, is create a datasheet view, with a single rowfor each testerID, summarising that Testers work as follows:TesterID, Total Duration, Count of passed tests, Count of failed testsSo far I have:Select TesterID, sum(Duration), count(Status) FROM TestRunInfo GROUPBY TesterIDBut this of course purely gives the total number of tests run by thatengineer as the count. I need to break it down. Help? Someone?Please?!?!?TIASteve

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Data Warehousing :: Querying In Fact Table

May 2, 2015

I have a Fact Table with a ID column as Primary key and clustered index is created. And also I have 4 dimensions FK's of data type INTEGER. And finally, I have one aggregation measure in the Fact Table.

Now, my situation is How can I improve the speed of querying the fact table by creating any of the below indexes?

1. XML
2. Spatial
3. Clustered
4. Non-Clustered

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SQL Server 2012 :: Querying Table With Several Date Type Columns

Oct 30, 2014

I have a table (we will cal DateTable) with several (20) columns, each being a date type. Another table's (Project) PK is referenced in the DateTable.

I am trying to write a query that will pull all dates for a specific project from the DateTable if they meet certain criteria(i.e. if the date is <= 7 days from now.

I started with a normal select statement selecting each column with a join to the project and then a where clause using

(DateTable.ColumnName BETWEEN GETDATE() AND DATEADD(day, 7, GETDATE()) OR (DateTable.ColumnName BETWEEN GETDATE() AND DATEADD(day, 7, GETDATE())) ...

The rest of the columns(all with OR between them).

The problem with this is that because I am using OR once one of the dates meets the criteria it selects all the dates that are associated with the project. I ONLY want the dates that meet the criteria and don't care about the rest.

Obviously because I have all the columns in the select statement... So I need something like

Select ALL Columns
from DateTable d
Join Project p
where p.ProjectID = d.ProjectID AND only dates BETWEEN GETDATE() AND DATEADD(day, 7, GETDATE()))

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T-SQL (SS2K8) :: Procedure That Create Views With Table Name And A Table Field Parameter?

Aug 4, 2015

I would like to create a procedure which create views by taking parameters the table name and a field value (@Dist).

However I still receive the must declare the scalar variable "@Dist" error message although I use .sp_executesql for executing the particularized query.

Below code.

ALTER Procedure [dbo].[sp_ViewCreate]
/* Input Parameters */
@TableName Varchar(20),
@Dist Varchar(20)
AS
Declare @SQLQuery AS NVarchar(4000)
Declare @ParamDefinition AS NVarchar(2000)

[code]....

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Query A SQL Server Compact Table While Querying A SQL 2005 Server Table

May 21, 2008

Hi there,

I'm trying to run a query on a SQL Server 2005 table which has a WHERE clause that requires a query from my SQL Compact table.



SELECT * from RemoteDB.TESTDB.dbo.Objects

WHERE Last_Updated > '2008-05-21 10:51:00'

AND Object_PARENT IN (select Object_CODE from LocalDB.PDADB.dbo.Objects)


Basicallly on a linked system, this query would find all new objects in my main database where the same objects exist in my local database. This would work just perfectly, no problems.

Now, the local database is actually on a PDA running SQL Server Compact Edition. There is currently no support for creating a linked environment. I have the option of pulling the table off the local db and pushing it to the remote db and then running the above query from within the single db and then retrieving the list of new entries and pulling them down to the local db but that is a HUGE amount of bandwidth, even if I just used the single primary key column.

Would anyone maybe have a little advice for me on how I could possibly achieve the above result on SQL Server Compact please?


Thanks in advance

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SQL Server 2012 :: Querying A Supersession Two Column Table With Multiple Supersessions In Both Columns

Jan 29, 2014

I'm fairly new to SQL and am just setting up a Windows 8 app using an Azure SQL server. The issue I have is looking up a part number supersession and getting the latest number. One part number can have multiple supersessions (ie RTC5756 > STC8572 > STC3765 > STC9150 > STC9191 > SFP500160 ).The data I am supplied monthly has both the superseeded items and the supersession information in both columns and is not easy to decipher - for example:

Supersessions Table
----------------------

RTC5756 | STC9191
SFP500160 | STC9191
STC9191 | STC2951
STC3765 | STC9191
STC8572 | STC9191
STC9150 | STC9191

[code]...

The newest part number is kept in a separate table - called "source" - which in this instance is SFP500160. I need access to the latest part number but also to the part's previous numbers, due to the fact that some people may still be stocking them as an old part number and for them to search by. Is there an easy and efficient way of doing both a lookup for the supersessions and a join on the two tables to minimize the queries on the database?

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SQL Server Admin 2014 :: How To Read And Load Extended Events Into A Table For Querying

Jun 19, 2015

I am setting up extended events more or less just fine, however I am a bit confused as to how to read and load them into a table for querying. In particular the offset part - is there a way to load just a given dates worth in?

I've got the files configured to be 20MB before rolling over, the XE is running all the time.

So if i load in the full file now, say that covers 2.5 days worth, when I load it again tomorrow to get the updated data I'm also reloading today, which is a waste?

I presume I am going about this wrong, but lack an example that really goes into detail of practicalities of loading this data.

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Are Embedded Views (Views Within Views...) Evil And If So Why?

Apr 3, 2006

Fellow database developers,I would like to draw on your experience with views. I have a databasethat includes many views. Sometimes, views contains other views, andthose views in turn may contain views. In fact, I have some views inmy database that are a product of nested views of up to 6 levels deep!The reason we did this was.1. Object-oriented in nature. Makes it easy to work with them.2. Changing an underlying view (adding new fields, removing etc),automatically the higher up views inherit this new information. Thismake maintenance very easy.3. These nested views are only ever used for the reporting side of ourapplication, not for the day-to-day database use by the application.We use Crystal Reports and Crystal is smart enough (can't believe Ijust said that about Crystal) to only pull back the fields that arebeing accessed by the report. In other words, Crystal will issue aSelect field1, field2, field3 from ReportingView Where .... eventhough "ReportingView" contains a long list of fields.Problems I can see.1. Parent views generally use "Select * From childview". This meansthat we have to execute a "sp_refreshview" command against all viewswhenever child views are altered.2. Parent views return a lot of information that isn't necessarilyused.3. Makes it harder to track down exactly where the information iscoming from. You have to drill right through to the child view to seethe raw table joins etc.Does anyone have any comments on this database design? I would love tohear your opinions and tales from the trenches.Best regards,Rod.

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Problem With Max Value Of Name In My Views Table.Any Help Please?

Dec 16, 2005

hi all

i am having problem in finding the max value of name in my views table

i have names stored in my table as view1,view2 etc, so what i wanted to do is i want to find the next max value of the name which obviously 3 so my new name will be view3

the problem is if some one already created a name as 'view of john' then i am running in to problem by using this statement



Code:

SELECT @viewcount=ISNULL(max(CAST(SUBSTRING(Name,5,len(Name)) AS Integer)),0)+1
FROM Views
WHERE Name LIKE 'View%'

SET @ViewName='View'+cast(@viewcount as varchar(8))




here is the sample data


Code:

create table Views(Name varchar(50))

insert into Views(Name)
values('View1')

insert into Views(Name)
values('View2')

insert into Views(Name)
values('View of John')




i hope any genius can guide me in solving the problem.

thanks in advance

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Views Or Table Valued Functions?

Aug 11, 2004

Hi I am writting Stored Procedures that have to be built on the base of other tables specially created for this purpose, is it better to create these intermediate tables as views or as functions returning tables? I guess views would be lighter on performance as they would not be created on the fly?

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Reading Data From Table And Views

Feb 2, 2006

Hi
I need to read a very big table more than 60,000 record but it is giving the following problem: But if it is small table there is no problem. Same problem also views.
 
Server Error in '/POBuilds' Application.


Runtime Error
Description: An application error occurred on the server. The current custom error settings for this application prevent the details of the application error from being viewed remotely (for security reasons). It could, however, be viewed by browsers running on the local server machine. Details: To enable the details of this specific error message to be viewable on remote machines, please create a <customErrors> tag within a "web.config" configuration file located in the root directory of the current web application. This <customErrors> tag should then have its "mode" attribute set to "Off".



<!-- Web.Config Configuration File -->

<configuration>
<system.web>
<customErrors mode="Off"/>
</system.web>
</configuration>Notes: The current error page you are seeing can be replaced by a custom error page by modifying the "defaultRedirect" attribute of the application's <customErrors> configuration tag to point to a custom error page URL.



<!-- Web.Config Configuration File -->

<configuration>
<system.web>
<customErrors mode="RemoteOnly" defaultRedirect="mycustompage.htm"/>
</system.web>
</configuration>

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Table Valued Functions Vs Views

Apr 24, 2008

Are there any disadvantages in respect to performance in using table valued functions instead of using a view.

Thanks...

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SOS - Table Partitions Or Indexed Views.

Feb 26, 2008

Hi Experts,

We have a very huge database that stores 12 years of data(120 Million records). But our application mainly accesses past 3 years data i.e , the queries would scan the 120 million records even when it actually has to scan 30 million records alone (for 3 years).

Since few other important applications needs access to all the 12 years data, we are in a position to have 12 years data in the same database.

Right now we are looking for an approach that would help us to efficiently access the 3 years data alone and boost the performance.

1. Will SQL server table paritioning help in this scenario ?

Or

2. Indexed views would help us ? Is it possible to create indexed views based on year range and access the views in the stored procedures ?

Any help would be greatly appreciated.

Thanks in advance,

Hariarul

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