Access & ODBC
Post on 01-Jan-2016
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Multiple Cases Access Utilities 1
Access & ODBC
Managing and Using ODBC Connections
P.O. Box 6142Laguna Niguel, CA 92607949-489-1472http://www.d2associates.com
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Access Utilities
Linked TablesP.O. Box 6142Laguna Niguel, CA 92607949-489-1472http://www.d2associates.com
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Linked Tables
Powerful feature of Microsoft Access Very widely used Sets up “pointers” in the database Can link to text, Excel, dBase, etc. Another type of data source is ODBC
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Access Utilities
ODBCP.O. Box 6142Laguna Niguel, CA 92607949-489-1472http://www.d2associates.com
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ODBC
ODBC = Open Database Connectivity Microsoft supplies a generic middleman driver
with Windows Vendors supply drivers for their specific
database or data source This enables Access to link to data in almost
any kind of database including Oracle, MS SQL Server, DB2, MySQL, etc.
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Access Utilities
Linking Tables Via ODBCP.O. Box 6142Laguna Niguel, CA 92607949-489-1472http://www.d2associates.com
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Linking to ODBC tables
3 scenarios The ODBC connection (DSN or Data Source
Name) exists already (perhaps provided by IT group)
Create the DSN in advance via Windows Create the DSN connection while going
through the link table procedure
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Launch Link Tables Dialogue(Existing DSN scenario, Scenario 1)
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Link Dialogue
Select files of type ODBC
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Select Existing Data Source
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Login to Data Source
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Select Tables to Link
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Access Database Window with Linked Tables
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Create New Windows DSN(Scenario 2)
As stated before DSN typically created well in advance by IT
But…for illustration purposes we will create it ourselves
This scenario thus has two major steps 1 – create the DSN under Windows 2 – Launch the link tables dialogue in Access
and proceed. We have already done this, so this will not be repeated here
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Key DSN Properties
Name Driver Database Name Authentication Method User Name/Password (if using SQL Server
authentication)
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Launch Control Panel(Create DSN in Window second scenario)
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Control Panel
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Administrative Tools
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Add DSN
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Select Driver
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Create New DSN
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Specify Authentication Method
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Specify Database in SQL Server
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Accept Defaults
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Review Properties and Test DSN
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Rocky2 DSN Tests OK
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Rocky2 DSN now available
Note: the rocky2 DSN is available for all applications that can use ODBC, not just Access
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Link Tables(Use created DSN; still in second scenario)
We will now go through an abbreviated series of slides showing how the new DSN can used.
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Launch Link Tables Dialogue(Use created DSN; still in second scenario)
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Select New Rocky2 Data Source
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Select Tables
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New Bookstore Database with Linked Tables via rocky2 DSN
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