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Access - Multiple SQl statements

Posted on 2016-08-25
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Last Modified: 2016-09-12
Is it possible to execute  Multiple SQl statements from .NET code using the OLE DB objects?  if I try using two INSERT statement, each ending with a semicolon, I get an error - "Characters found after end of SQL statement. "
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Question by:HLRosenberger
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Expert Comment

by:Antonio Salva Ripoll
ID: 41770643
Hi HLRosenberger.

In Access, SQL Server, Oracle.... the SQL action querys must be executed one after other. So, you must call the first "Insert ..." and later the second "Insert...".

Best regards.

Antonio.
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Expert Comment

by:Éric Moreau
ID: 41770653
can we see your query? You normally don't have to put the ; as the syntax is quite rigid.
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Author Comment

by:HLRosenberger
ID: 41770675
It's just two inserts.  I do this using SQL server all the time.

"INSERT INTO tax_status (id, code, taxable) VALUES(1234, 'DDDD', 0); " & _
                                                                "INSERT INTO tax_status (id, code, taxable) VALUES(1235, 'ffff', 0);")
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Expert Comment

by:Éric Moreau
ID: 41770697
have you tried removing the ; ?
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Author Comment

by:HLRosenberger
ID: 41770716
if I do that, I get "Missing semicolon at end of SQL statement".
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Author Comment

by:HLRosenberger
ID: 41770723
bottom line - I would like to do a "batch" update to an access database.   Is that possible?  Like execute multiple inserts/updates in one action?
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Author Comment

by:HLRosenberger
ID: 41770764
Does Access support anything like Stored Procs?   Can I write a macro or VBA script that I can execute from .NET code?
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Expert Comment

by:Antonio Salva Ripoll
ID: 41770786
Hi @HLRosenberger.

To the question if Access supports stored procedures, the answer is "no in the same way as SQL Server".

Although you can use VBA to store and execute SQL statements, you must put them one after another.

This is the VBA code to execute your Inserts:
Public Sub RunMyInserts()
    CurrentDb.Execute "INSERT INTO tax_status (id, code, taxable) VALUES(1234, 'DDDD', 0);"
    CurrentDb.Execute "INSERT INTO tax_status (id, code, taxable) VALUES(1235, 'ffff', 0);"
End Sub

Open in new window


Also, if you can pass parameters to the procedure, you can do a "batch"
Sub TestParams()
    
    RunMyInserts "1234, 'DDDD', 0"
    RunMyInserts "1235, 'ffff', 0"

End Sub

Public Sub RunMyInserts(MyParams As String)
    CurrentDb.Execute "INSERT INTO tax_status (id, code, taxable) VALUES(" & MyParams & ");"
End Sub

Open in new window


Best regards.

Antonio (Barcelona, Spain)
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Accepted Solution

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Éric Moreau earned 500 total points
ID: 41770806
from what I have read elsewhere, it doesn't seem to be possible but maybe there are some workarounds for example:
INSERT INTO tax_status (id, code, taxable) 
select * from (
   select 1234, 'DDDD', 0
   union all 
   select 1235, 'ffff', 0
);

Open in new window

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Expert Comment

by:Antonio Salva Ripoll
ID: 41771003
@Éric, great solution.

As I always said, "the best solutions are always the simplest ones".

My sincere congratulations.

Antonio.
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Author Comment

by:HLRosenberger
ID: 41771761
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Author Closing Comment

by:HLRosenberger
ID: 41791491
Thanks
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