Transactions And Create Table Statements
Jan 27, 2007
I have some problems getting my SSIS package to run in a transaction, I wonder if anyone can assist.
What I want to do is run one package, which consists of a
- 1) create staging table SQL statement
- 2) read (all) from Access MDB to staging
- 3) copy (only new) from staging table to real table
- 4) drop the staging table
I changed the package to "require" a transactions, and left all containers in it to "supported" (default, I think). I left all the transaction type to default "serializeable".
The package does not work, since the table I created on step one is not "seen" when step 2 wants to insert into it. If I set the package transaction back to "supported" (default) the package works, but an error on step 2 or 3 will not rollback changes and not remove the staging tables...
So, my question really is: How do I make step 1 results visible to step 2 in the same transaction? Or do I need to take a completly different approach for this?
Stupid question I think, but I seem to not be able to find the right way to handle this situation...
Thanks for reading!
Ralf
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Jul 20, 2005
I have some code that dynamically creates a database (name is @FullName) andthen creates a table within that database. Is it possible to wrap thesethings into a transaction such that if any one of the following fails, thedatabase "creation" is rolledback. Otherwise, I would try deleting on errordetection, but it could get messy.IF @Error = 0BEGINSET @ExecString = 'CREATE DATABASE ' + @FullNameEXEC sp_executesql @ExecStringSET @Error = @@ErrorENDIF @Error = 0BEGINSET @ExecString = 'CREATE TABLE ' + @FullName + '.[dbo].[Image] ( [ID][int] IDENTITY (1, 1) NOT NULL, [Blob] [image] NULL , [DateAdded] [datetime]NULL ) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]'EXEC sp_executesql @ExecStringSET @Error = @@ErrorENDIF @Error = 0BEGINSET @ExecString = 'ALTER TABLE ' + @FullName + '.[dbo].[Image] WITHNOCHECK ADD CONSTRAINT [PK_Image] PRIMARY KEY CLUSTERED ( [ID] ) ON[PRIMARY]'EXEC sp_executesql @ExecStringSET @Error = @@ErrorEND
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Jun 10, 2014
How to create insert statements of the data from a table for top 'n' rows. I know we can create using generate scripts wizard, but we can't customize the number of rows. In my scenario i got a database with 10 tables where every table got millions of records, but the requirement is to sample out only top 10000 records from each table.
I am planning to generate table CREATE statements from GENERATE Scripts wizard and add this INSERT STATEMENT at the bottom.
EX : INSERT [dbo].[table] ([SERIALID], [BATCHID] VALUES (126751, '9100278GC4PM1', )
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Oct 31, 2006
I am writing a fairly complex data automation procedure that basically uses about 5 stored procedures and some additional sql from C# to populate a database. i would like to utilize transactions in C# and sql to help me if something goes wrong. My question is, do i have to maintain the same connection in order to have one transaction for all my Commands. right now i do things like connection.Open();Command.ExecuteNonQuery(); connection.Close(); connection.Open();Command2.ExecuteNonQuery(); connection.Close(); i think i have to keep the same connection open for the duration of all my commands in order to utilize transactions, is this correct? thanks, mcm
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Sep 11, 2006
Hello everyone
I need to have a transaction with a select statement like so
trans = cn.beginTransaction
Insert into order table an order record
select unique order Id from order table
insert record 1 into orderdetails using the orderid
insert record 2 into orderdetails using the orderid
commit trans
I am of course experiencing record locking after my first insert. I cannot select records from the order table even though I need the inserted OrderId in order to insert into the orderitemst table.
I have tried switching the isolation level to readuncomitted on my transaction but sp_who2 still shows a block even with the readUncomitted Isolation level.
A foreign key on the orderitems table prevents me from inserting orderitems without a parent order id to prevent orphans. Is this a common transactional issue?
Any help is greatly appreciated.
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Mar 3, 2014
I created a cursor that moves through a table to retrieve a user's name.When I open this cursor, I create a variable to store the fetched name to use within the BEGIN/END statements to create a login, user, and role.
I'm getting an 'incorrect syntax' error at the variable. For example ..
CREATE LOGIN @NAME WITH PASSWORD 'password'
I've done a bit of research online and found that you cannot use variables to create logins and the like. One person suggested a stored procedure or dynamic SQL, whereas another pointed out that you shouldn't use a stored procedure and dynamic SQL is best.
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Apr 22, 2014
I have a update trigger. In this trigger I need to insert few records in 3 tables. If error comes in any of these inserts then previous inserts to get committed. This trigger was written in Sybase and it was possible to create transaction and commit the transactions.
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Aug 26, 2013
I'm trying to create an inventory report for service trucks by adding all the transactions that were used to restock the truck and subtract the transactions where the parts were used on an invoice and removed from the truck. All the transactions are in the same table. The fields that would be relevant are PartID, QTY, WhsTo and WhsFrom. If I wanted to calculated stock levels for truck 16 I would select all transactions that have a value of 16 in either WhsTo or WhsFrom. If WhsTo contained 16 then I would want to add QTY. If WhsFrom value was 16 then I would want to subtract QTY. I would want it grouped by distinct PartID. I don't know how to structure the Select statement to decide whether to add or subtract.
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Apr 19, 2006
I am new to writing SQL code and I read that you can use ALTER statements to create an index for a table. How would I go about doing that? Everything that I have tried in Query Analyzer comes up with an error.
Any help is appreciated.
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Oct 5, 2007
Hi
I have written stored procedures to create a database with db name as input parameter
I need to create a batch file to run the stored procedure with input value given in the command prompt along with the batch file will be my dbname, which will be used by the stored procedure to create the databse.
and also few sql statements to insert data into those tables after creating
Plz could any one help me out to create code to create a batch file
thanks in advance
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Feb 15, 2001
Does anyone have any SQL that will look at a DB and dynamically generate CREATE INDEX statements? I
know I can use EM but I want to make this a scripted process and you can only generate CREATE INDEX statement if
you script out the tables too.
Any Ideas??
Thanks
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May 6, 2008
MySql has a statement like:
SHOW CREATE TABLE tablename;
that returns the precise CREATE TABLE statement for the specified tablename.
Sql Management Studio also allows scripting Create Statement for any object by right-clicking it.
But I want to do this programatically, and fetch CREATE statements for Tables, Procedures & Views.
How can I retrive CREATE statements for Database objects progrmatically in Sql Server???
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Sep 18, 2007
Although writing a parameterized SQL statement has been simplified using the asp:parameter options, it still may benefit to use the old fashioned method of writing a sql statement using an input string. I have noticed this for wanting to make a parameter to select which table I want to pull from. Here is some code I wrote to pull information from a database based on input from a search box and write it to a gridview.
Partial Class Private_SearchResultsInherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim Table As String
Dim SearchString As StringSearchString = Request.QueryString("SearchString")
Table = Request.QueryString("Table")
If Len(Trim(SearchString)) > 0 ThenSelect Case Table
Case "Plant"
SqlDataSource1.SelectCommand = "SELECT PlantName as 'Plant',PlantAddr as 'Address',PlantCity as 'City',PlantState as 'State',PlantCountry as 'Country',PlantZip as 'ZIP' FROM Plant WHERE PlantName LIKE '%" & SearchString & "%' OR PlantCity LIKE '%" & SearchString & "%' OR PlantState LIKE '%" & SearchString & "%' OR PlantCountry LIKE '%" & SearchString & "%' OR PlantZip LIKE '%" & SearchString & "%' ORDER BY PlantName"
Case "Contacts"
SqlDataSource1.SelectCommand = "SELECT ContactPosition as'Position',ContactTitle as 'Title',ContactLast as 'Last Name',ContactFirst as 'First Name',ContactPhone as 'Phone No' FROM Contacts WHERE ContactLast LIKE '%" & SearchString & "%' OR ContactFirst LIKE '%" & SearchString & "%' OR ContactPosition LIKE '%" & SearchString & "%' OR ContactPhone LIKE '%" & SearchString & "%' OR ContactTitle LIKE '%" & SearchString & "%' ORDER BY ContactLast"
Case "Events"
SqlDataSource1.SelectCommand = "SELECT EventName as 'Event',CONVERT(varchar,EventStartDate,101) as'Start Date',CONVERT(varchar,EventEndDate,101) as 'End Date',EventNotes as 'Notes',EventNoAttendees as 'Attendees',EventType as 'Event Type' FROM Events WHERE EventName LIKE '%" & SearchString & "%' OR EventStartDate LIKE '%" & SearchString & "%' OR EventEndDate LIKE '%" & SearchString & "%' OR EventNotes LIKE '%" & SearchString & "%' OR EventNoAttendees LIKE '%" & SearchString & "%' OR EventType LIKE '%" & SearchString & "%' ORDER BY EventName"
Case ""
Label1.Text = "Nothing Selected in Drop Down Box"
End Select
Else
Label1.Text = "No Search Parameters Entered"
End If
GridView1.DataBind()End Sub
End Class
Here is also my code to the front end of the page...
<%@ Page Language="VB" MasterPageFile="~/MasterPage.master" AutoEventWireup="false" CodeFile="SearchResults.aspx.vb" Inherits="Private_SearchResults" title="Search Results" %>
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
<br />
<strong><span style="font-family: Tahoma">Search Results<br />
<br /></span></strong>
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder2" Runat="Server">
<asp:Label ID="Label1" runat="server" Font-Names="Tahoma" Font-Size="10pt"></asp:Label><br />
<asp:GridView ID="GridView1" runat="server" CellPadding="4" ForeColor="#333333" GridLines="None" DataSourceID="SqlDataSource1" Width="1020px">
<FooterStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
<RowStyle BackColor="#F7F6F3" ForeColor="#333333" Font-Names="tahoma" Font-Size="Small" />
<EditRowStyle BackColor="#999999" />
<SelectedRowStyle BackColor="#E2DED6" Font-Bold="True" ForeColor="#333333" />
<PagerStyle BackColor="#284775" ForeColor="White" HorizontalAlign="Center" />
<HeaderStyle BackColor="Indigo" Font-Bold="True" ForeColor="White" Font-Names="tahoma" Font-Size="Small" />
<AlternatingRowStyle BackColor="White" ForeColor="#284775" /></asp:GridView>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:CRMConnectionString %>"></asp:SqlDataSource>
</asp:Content>
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Jul 17, 2003
How to script all the PK/FK/constrainnts/indexes with create and drop statements?
As you know, we can't script 'drop statements' for primary keys etc..
Any help in giving me a script which does all the above is greatley appreciated..
Thanks,
Di.
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May 11, 2015
Need to create a user defined role with grant permissions for below .
View Definition
Execute all Function
Grant View
Grant Synonym
dbo
View Definition
Not getting grant statements for above permissions.
I mean like below.
-----------------------------------------------------------------
CREATE ROLE [Role1]
GRANT EXECUTE ON SCHEMA ::dbo TO [Role1]
-----------------------------------------------------------------
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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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May 22, 2005
Hi there,
I have decided to move all my transaction handling from asp.net to stored procedures in a SQL Server 2000 database. I know the database is capable of rolling back the transactions just like myTransaction.Rollback() in asp.net. But what about exceptions? In asp.net, I am used to doing the following:
<code>Try 'execute commands myTransaction.Commit()Catch ex As Exception Response.Write(ex.Message) myTransaction.Rollback()End Try</code>Will the database inform me of any exceptions (and their messages)? Do I need to put anything explicit in my stored procedure other than rollback transaction?
Any help is greatly appreciated
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Nov 7, 2007
Just a quick easy question. If I alter a table (add a column to the table), will it take the table offline during the ALTER process? I am adding the column to the end of the table not in the middle. I know if I add it in the middle it will offline the table.
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Sep 3, 2015
Multi user ASP.Net website, SQL Server backend.When using transactions to insert multiple rows into a table and then commiting them once you're happy that everything looks good, the table(s) gets locked before commiting.Basically, I want to perform updates and inserts under a transaction but still allow other users to carry on using the site and potentially the tables that are being used with the transaction.
Question: Is there a way to stop the table lock occurring and for SQL to just do a record lock?, thus avoiding blocking other users?I know that a possibility is to use Snapshot replication, but am a little worried about turning it on due to the small team we have for testing.
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May 13, 2007
Hi,
I am using VB.NET 2005 and set up an ODBC connection via ODBC.ODBCConnection to a MDB database. Therefor, I use the "Microsoft Access ODBC Driver (*.mdb)".
When I set up a ODBCCommand like "ALTER DATABASE..." or "CREATE TABLE..." and issue it with the com.ExecuteNonQuery() command, I get an error from ODBC driver, that a SQL statement has to begin with SELECT, INSERT, UPDATE or DELETE.
How can I use DDL statements via ODBC?
I would appreciate if you could help me to use ODBC for that - no OLE, no ADO.
Thanks for help!
Regards,
Stefan D.
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Jun 4, 2007
I got a deadlock scenario and so I took a snap shot of the syslockinfo table. I found out an interesting scenario where the deadlock is because of two transactions within the same spid.
rsc_text rsc_bin rsc_valblk rsc_dbid rsc_indid rsc_objid rsc_type rsc_flag req_mode req_status req_refcnt req_cryrefcnt req_lifetime req_spid req_ecid req_ownertype req_transactionID req_transactionUOW
1:31840 0x00060200607C00000100000000000000 0x00000000000000000000000000000000 2 0 0 6 0 5 1 1 0 0 113 0 1 96462284 00000000-0000-0000-0000-000000000000
1:31840 0x00060200607C00000100000000000000 0x00000000000000000000000000000000 2 0 0 6 0 5 3 1 0 67108864 113 0 1 96594607 00000000-0000-0000-0000-000000000000
For the first one the lock was granted(transactionID:96462284)
but for the next one(transactionId:96594607) it was put in wait state and SQL server detected it as a deadlock.
I just wanted some clarifications.
1) what is the significance of req_transactionID column in syslockinfo table?
2) what is the relationship between req_transactionId column and spid column?
3) In case of nested transactions what will be the values of these 2 columns and what will be the relationship between them in that scenario?
4) In this case the deadlock is occurring while executing a SP(the nested level of calls go till 3rd level).
5) Will there be contention for locks between transactions within a single spid.
it is something like this:
sp_cache
sp_cache1
while
sp_cache2
end while
the deadlock occurred when executing sp_cache 2.
At that time there were only two transactionId values in the syslockinfo table for this spid,They were:
1) 96462284
2)96594607
If some body could please help me it would be really helpful for me.
Thanks in advance!!
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Apr 1, 2004
Hi,
newbie here.
Im trying to perform the following two select statements on the one table. I have been trying innerjoins etc but keep getting errors. The basis of what im trying to do is this.
SELECT column1
FROM table1
WHERE column2 = (select column2 from table1 where column3 = 14)
Any ideas greatly appreciated.
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Aug 18, 2006
Can I get statistics on which type of DML statements (e.g. insert, delete, update) that are executed by users on a table without creating triggers? I want to be able to show the number of executed statements per statement type. I have tried the 2005 Profiler but it outputs the entire batch statement which makes it a bit more difficult to create statistics.
Rgds
Bob
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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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Jul 23, 2005
When I need to perform an update against multi-million row table Itypically specify @@rowcount, to reduce locks.e.g.set @@rowcount 1000while exists (select * from myTable where col2 is null)update myTableset col2 = col1 + 'blahblah'where col2 is nullHowever, my boss' script does something like this. I think it works OKbut it seems overly complicated to me. Any thoughts?while exists (....)begin traninsert into #tableselect ...update myTableset ...from myTable join #table ...(@numberOfRows is a counter variable, tracking #rows that have beenupdated since last batch)if @numberOfRows > 1000begincommitbegin tranendend
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May 22, 2007
Hi
Can we have truncate table with in a transaction using SSIS package.
here is the scenario.
OledbDestinationConnection 's "retainsameconnection" property has been set to true.
I have added a Execute SQL Query task to "begin transaction".
second Execute SQL Query task to truncate a table. say table "A" . truncate table a(table does not exists in the database).
third to rollback a transactions if the second task fails.
Now when I am running my package, I am getting an error saying
The Rollback transaction has no corresponding "Begin transaction".
However if , I truncate a correct table , which exists in database, then all steps gets executed successfully.
And the truncaion also got rollbacked.Same goes with "Commit transaction" in the third steps(if a replace Rollback with Commit).
I don't understand this strange behavior.
Any clue is highly appreciated.
My real problem is I want to rollback a transaction, if Truncate table step fails.
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Jul 16, 2015
We have control table which will be useful whether we need to start the job or not. If we are starting the Job we will make it to 1.
Below is the Table Structure.
Table Name IN_USE_FG
CUST_D 0
PROD_D 0
GEO_D 0
DATE_D 0
Now we have different packages for 4 tables data loading. These 4 packages will start at a time. Before going to load the data we have to make the Flag to 1 and after that we have to load it. Because of this we have written Update statement to update the Value to 1 in respective Package.
Now we are getting dead lock because we are using same table at a same time. Because we are updating different records.
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Nov 1, 2007
Goofed up and ran an update query. It messed up all the data in a single table. I'm trying not to restore the table from a previous backup since the backup is more than 20 GB. It's going to take forever to restore it. Any advice would be much appreciated!
Thanks!
Charles.
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Aug 7, 2001
Hello ,
I am having a problem related to Alter table syntax in MS SQL Server .
What I want to do is in a single alter table statement I want to add as well as modify columns in a table.
For E.g.
alter table testtable add fld1 numeric(10),
alter column fld2 numeric(15)
But I am getting an error.are these kinds of statements possible in MSSQL server ?I was able to do so in Oracle.I just wanted some confirmation or examples of whether this is possible in MS SQL Server also.
Fast Help would be extremely appreciated.
Thanks,
Anand
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May 1, 2007
Hi,I'm using a 3rd-party app's back end which stores SQL statements in atable, so I have no choice but to use dynamic SQL to call them (unlesssomeone else knows a workaround...)Problem is, I can't get the statement to run properly, and I can't seewhy. If I execute even a hard-coded variation likeDECLARE @sql nvarchar(MAX)SET @sql ='SELECT foo FROM foostable'sp_executesql @sqlI get: Incorrect syntax near 'sp_executesql'.If I runsp_executesql 'SELECT foo FROM foostable'I get: Procedure expects parameter '@statement' of type 'ntext/nchar/nvarchar'.which I understand, as it's omitting the N converter--so if I runsp_executesql N'SELECT foo FROM foostable'it's fine. I don't understand why the first version fails. Is it somesort of implicit conversion downgrading @sql? Every variation of CASTand CONVERT I use has no effect.This is SQL Server 2005 SP2. Thanks in advance.
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Jul 20, 2005
HiI'm using the SQL 2000 table variable to hold 2 different fact sets.I'm declaring the variable @CurrentTable and inserting into it using aSELECT statement with no problems.I'm leaving certain of the columns null in order to later update themwith the PK.Problem is in the UPDATE syntax I'm usingUPDATE @CurrentTableSET ManagerTitle = (select mgrs.pos_title from mgrs) wheremgrs.pos_num = @CurrentTable.MgrPosNumIt is insisting I declare the @CurrentTable variable when I try to useit in the where clause.Is it simply out-of-scope or am I really doing something foolish?Andrew
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Jun 5, 2015
I have a database with two tables (Table1 and Table2)
looking for something like:
Table1:
+----+-------+----------+
| id | Name | email |
+----+-------+----------+
| 1 | name1 | mail1 |
| 2 | name2 | mail2 |
| 3 | name3 | mail3 |
| 4 | name4 | mail4 |
| 5 | name5 | mail5 |
| 6 | name6 | mail6 |
+-- +-------+----------+
Table2:
+----+------------+---------+------+
| id | table1_ID | fee | type |
+---+-------------+---------+------+
| 1 | 1 | 20000 | 1 |
| 2 | 3 | 1000 | 1 |
| 3 | 1 | 10000 | 1 |
| 4 | 3 | 1000 | 1 |
| 5 | 5 | 500 | 1 |
| 6 | 5 | 500 | 2 |
| 7 | 1 | 60000 | 2 |
| 8 | 2 | 1000 | 2 |
+----+------------+---------+-------+
i want the query that return:
+--------+-------+---------------------------------+---------------------------------+--------+
| name | email | a:sum(fee) where type=1 | b:sum(fee) where type=2 | b/10 |
+--------+-------+---------------------------------+---------------------------------+--------+
|name1 | mail1 | 30000 | 60000 | 6000|
|name2 | mail2 | 0 | 1000 | 100 |
|name3 | mail3 | 2000 | 0 | 0 |
|name4 | mail4 | 0 | 0 | 0 |
|name5 | mail5 | 500 | 500 | 50 |
|name6 | mail6 | 0 | 0 | 0 |
+--------+-------+---------------------------+---------------------------------------+---------+
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Aug 4, 2004
Hi All,
I'm trying to create a proc for granting permission for developer, but I tried many times, still couldn't get successful, someone can help me? The original statement is:
Create PROC dbo.GrantPermission
@user1 varchar(50)
as
Grant create table to @user1
go
Grant create view to @user1
go
Grant create Procedure to @user1
Go
Thanks Guys.
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