Views Vs. Standard Procedures

Jan 31, 2007

Hello,

I have a question where the answer may be simply opinion, or there may be strong reasons.  I guess that's why I'm asking the question... 

The question is - when should one create a view, and when should one use a stored procedure?  Obviously, when doing multiple queries or passing parameters, you must use a SP.  I'm talking about the case of a single query perhaps joins a couple of tables.

 

Hope that's not a stupid question...

 

Thanks in advance,

Paul

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Good evening:Can anyone give me the low-down on using view from within my stored procedures?  I've got some rather complex views that join multiple tables resulting in a staggering SQL query.  I then use stored procedures to accept input parameters to determine order by and direction clauses.  This results in some rather large "IF ELSE IF ELSE IF..." statements in my SP.  Put a complicated SQL query together with lots of IF THEN and it becomes difficult to keep stuff straight in the SP.  Therefore, using the view to keep my SQL in one place is an ideal solution. However, and here's the question, does it have a negative impact on speed and/or scalability.  We plan to use these SP's within an ASP.NET website that may get a very large amount of traffic. Any advice/help you can give me would be really appreciated. Thanks!
- Future Daddy
 

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Feb 15, 2001

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Any thoughts or help on this?

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Feb 16, 2007

Hello,

This maybe a simple question, I'm using reporting services to make a report, question is can I write a stored procedure that queries from a join of two views instead of two tables?

I'm having trouble getting my table data into the reportable state I want it, and I think organising into views might be easier.

Thanks for any help.

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Apr 18, 2007

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I do all my data access through stored procedures. Is there any benefit in creating views that the stored procedure accesses. At the moment, I tend to just write the select and join within the stored procedure.

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I have two databases named A and B. They are exactly same table structure, but the records are different, and we have near 400 stored procedures and over100 views in the database A. Now my question is that how can I transfer all stored procedures and views from database A to database B?

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Dec 1, 2005

Hi All,

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Nov 23, 2007

Hello all,

I'm looking for a best practice.
Let's say you have a report that contains out of 3 queries.

How are you going to create the report and why?

1. Just use "select * from table where p1= value" in your report
2. Save the query in your db as a view and use the view in your report
3. Create a procedure that contains all 3 queries. And use the procedure with some parameters in your report?

Kr
Karel.

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Jul 20, 2005

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Aug 6, 2007

I recently set up a new sql 2005 standard edition and planning to mirgrate our production sql 2000 data. but only the tables were migrated from the copy data or import / export task. I cannot find a way to recreate the store procedures and views on the new server without create one view and one store procedure at a time unless all hundreds of views and procedures were rescripted. can anyone help

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Andy Wong
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Hi

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Can you create views within a stored procedure?

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Thanks in advance - I hope.

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Nov 8, 2000

Hello Everybody,

I posted this same question couple of times in the news groups but no answers. I have a 2 tables and i am doing a union query using a view. each has 250 rows. The query takes 20 seconds to return the results. no joins or anything. the create view simply looks like this:

create view myview as
select id, name from table1
union
select id,name from table2

Where as if i write a stored procedure like below, it returns the rows in 4 seconds.
create table #mytable
( id int, name varchar(30))
insert into #mytable (id, name) select id, name from table1
insert into #mytable (id, name) select id, name from table2
select id,name from #mytable.


I prefer doing in the view since both returns the same result. I tried running dbcc, update statistics. but no luck. Can anyone please help me in this issue.

Thanks
Ramesh

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May 20, 2008

Hi

What permissions do I need to set so that a user can change tables, views and procedures?

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Oct 17, 2007

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Currently, this is done via a parameterized stored prodedure, which is used fairly frequently. The parameters only affect the where clause, not the joins.

Would it be better to create the view with the joins already done, then pass in the parameters with the stored procedure? Which is better for overall performance? Which is better for quicker response times to the calling asp.net application?

Thanks in advance,

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Jul 23, 2005

This is a general question regarding the use of view and storedprocedures. I'm fairly new to databases and SQL.I've created a SQL database using an Access Data Project ("ADP") andI'm satified with the table structure. I've moved on to building somefront ends for our users.I'm running into situations where I want subreports to be built fromqueries [views or stored procedures-I don't know which to use so I usethe term query] that are dependent on the values in other controls.I've played with stored procedures and I've figured out how to sendcriteria to a stored procedure and then dynamically change the recordsource of a subreport.However, I'm running into cases where I can't add records to theresults of a stored procedure. The table I'm running a stored procedureon has five fields: (1) Primary Key for each record, (2) FundID that'sa primary key in another table, (3) CompanyID that's a primary key inanother table, (4) Attribute 1 of the (Fund/Company) and (5) Attribute2 of the (Fund/Company).The stored procedure filters the set of Fund/Companies based on aFundID from a form. I can update this stored procedure. However, forusers, they would like to see the Fund Name from the table that hasunique FundIDs. As soon as I include that into the stored procedure, Ican no longer add records.My questions are many:1. Is there a primer online that discusses the theory behind myquestion? Recordsets, updatability, working with recordsets in forms?2. What are some best practices for developing subreports, combo boxes,list boxes, etc. where the data is dependent on the values in a control3. I'm struggling with the best ways to grab objects on a form. If I'mon the main form I'm comfortable working with theMe.__object__.__sub-oject routine. However, if I'm in one subform whereI need another subform to change based on the record I'm in, I feelthat my code to get at the subform is very klunky..forms.main form name.sub form name.form.record sourceI don't even know how I figured out the "form" part before recordsource. Again, are there some basic rules or guides about navigatingthrough forms in VBA?4. Should I be developing front ends in some other environment?I know it's a lot, but all the advice from the newsgroups seems topresuppose some knowledge about how ADP, ADO, ODBC..blah blah and Ican't seem to find any documents about ADP and SQL.

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Jan 27, 2006

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Apr 13, 2007

I am using SQL Server Management Studio and Visual Studio 2005 and I am a newbie.
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May 9, 2006

Hi,

I would like to use the view of the company data in the following stored procedures

without needing to pass a value into the CompanyID identity column. Is there a way to do this? The following code contains the view, the insert trigger on the view, and the desired stored procedures.

Also, this code is given me problem as well the error message says it cannot convert varchar to int. This code is located in the insert trigger.

INSERT INTO State(StateName)
VALUES(@StateName)

Here is the code of the company view, notice the C.CompanyID it is used in the GetCompany stored procedure.

SELECT C.CompanyID, C.CompanyName, A.Street, A.City, S.StateName, A.ZipCode, A.Country, P.PhoneNumber


FROM Company AS C INNER JOIN
Address AS A ON C.AddressID = A.AddressID INNER JOIN
State AS S ON A.StateID = S.StateID INNER JOIN
Phone AS P ON C.PhoneID = P.PhoneID

Here is code for the insert trigger on the view

CREATE TRIGGER InsertTriggerOnCustomerView
ON ViewOfCompany
INSTEAD OF INSERT
AS
BEGIN

DECLARE @CompanyName VARCHAR(128)
DECLARE @AddressID INT
DECLARE @Street VARCHAR(256)
DECLARE @City VARCHAR(128)
DECLARE @StateID INT
DECLARE @StateName VARCHAR(128)
DECLARE @ZipCode INT
DECLARE @Country VARCHAR(128)
DECLARE @PhoneID INT
DECLARE @PhoneNumber VARCHAR(32)
--DECLARE @CompanyID INT

SELECT
--@CompanyID = CompanyID,
@CompanyName = CompanyName,
@Street = Street,
@City = City,
@StateName = StateName,
@ZipCode = ZipCode,
@Country = Country,
@PhoneNumber = PhoneNumber
FROM INSERTED

INSERT INTO State(StateName)
VALUES(@StateName)

SET @StateID = @@IDENTITY

INSERT INTO Address(Street, City, StateID, Country, ZipCode)
VALUES(@Street, @City, @StateID, @ZipCode, @Country)

SET @AddressID = SCOPE_IDENTITY()

INSERT INTO Phone(PhoneNumber)
VALUES(@PhoneNumber)

SET @PhoneID = SCOPE_IDENTITY()

INSERT INTO Company(CompanyName, AddressID, PhoneID)
VALUES(@CompanyName, @AddressID, @PhoneID)

END

The stored procedures are here.

CREATE PROCEDURE GetCompany
(
@CompanyID INT
)
AS
BEGIN
SELECT CompanyName,Street, City, StateName,
ZipCode, Country, PhoneNumber
FROM
ViewOfCompany
WHERE
CompanyID = @CompanyID
END
GO

CREATE PROCEDURE AddCompany
(
@CompanyName VARCHAR(128),
@Street VARCHAR(256),
@City VARCHAR(128),
@StateName VARCHAR(128),
@ZipCode VARCHAR(128),
@Country VARCHAR(128),
@PhoneNumber VARCHAR(32)
)
AS
BEGIN
INSERT INTO ViewOfCompany
VALUES(@CompanyName, @Street, @City, @StateName,
@ZipCode, @Country, @PhoneNumber)
END
GO

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Aug 15, 2001

I am running MS SQL Server 7 with SP3 installed and am having some problems getting replication to work correctly. I want to replicate all tables from one database to another database on the same server. I can setup replication, add publications and add subscriptions without any problem and all goes well until the replication process starts when the job aborts because it cannot find the sp_MSins..., sp_MSupd... or the sp_MSdel... stored procedures. I have used the New Publication wizard to create a Transactional publication, published all tables and allowed the wizard to use the default stored procedures which it says will be created when the subscribers are initialized but although I have created push subcriptions the stored procedures are never created and hence the replication fails whenever the job runs.

I have SA access to the databases concerned and as far as I am aware the jobs are running as my login - can anybody help me out as this is beginning to drive me nuts.

Thanks

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Hi,Right, i have a fairly good understanding of SQL. However, i have a fairly basic understanding of SQL Server.I know Storedprocedures are really good and i'm starting to use them. I understand they are good for making inserting, updating very easy.However when you look at a SQL Server database you get various folder, this leaves me a little confused with what they are all used for? whats the difference between these?Thanks in advance!sorry for the basic question, i'll try to challange you next time

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Aug 2, 2007

Hi...

I'm trying to generate scripts in SQL Server Management Studio 2005.

When I choose 'Script all objects' I get an error when I try to execute it. When I generate the scripts in single files, only tables in one file, only views in one file etc. etc., the execution is succeded.

1) Why do I get an error when I try to execute the script containing tables, views, procedures in one file....?

2) I get an error in the view-file where one column is 'invalid' but I can see it in the view. A generated script should execute succesfully when it is generated one second ago on the same database and so on... Right?

Thanks....

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Jul 22, 2007

Greetings,



We have recently begun using transactional replication to keep the data in our SQL Servers synchronized in a geographically dispersed environment. We replicate our tables but we have never replicated views, stored procedures, or user functions in our production systems. We are thinking of doing so but wonder if the overhead of running the replication agents doesn't outweigh the benefits of having replication assist with the occassional change to these design elements.



Is anyone on this forum replicating views, sprocs, and user functions? What has your experience been?



Thanks for any ideas that you share.



BCB

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Feb 20, 2007

Hi all--I used the following type of script to migrate tables, views and stored procedures from 'dbo' to 'hqmsuser':
alter authorization on dbo.PK_T_PQ_MASTER to HQMSUSER
alter schema HQMSUSER transfer dbo.PK_T_PQ_MASTER
go

This was per recommendations from the BOL to use instead of the 'sp_changeobjectowner' procedure. I returned the following error:

Msg 15346, Level 16, State 1, Line 3
Cannot change owner for an object that is owned by a parent object. Change the owner of the parent object instead.
Msg 15347, Level 16, State 1, Line 4
Cannot transfer an object that is owned by a parent object.

How do I find and change the parent object on this from 'dbo' to a non-dbo schema ownership?

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May 21, 2008



Hi Folks,


I am writing a program that transforms a generic MS SQL database to make it compatible with our application. In order to make the transformation, I have to access all the elements of the generic database programmatically.

I know that the Master database contains all this information. Is there a query that allows me to access the "non-system" tables, sps, views, and functions?

For Tables, I need to know the Name(s) of the tables, the column names, the column type, ALLOW Nulls, Primary Key, Identity Seed settings, and Triggers.

For SPs, I need to know the Name(s) and access the SP source code (assuming it's unencrypted).

For Views, I need to know the Name(s) and access the Views Source

For functions, I need to know the Name(s) and access the function source.


I can see various tables in the Master database from management studio, like sys.objects, sys.tables - which look like they have the info I need. However, when I run a query against master like:

select * from sys.objects .. I get an error:

Msg 208, Level 16, State 1, Line 1
Invalid object name 'sys.objects'.



Thank you in advance.



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