For some applications, you might need to use a connection string to connect to your data source. For detailed information about how to use a connection string in an ODBC application, refer to the documentation for the application that you are using. The connection strings in the following sections are examples showing the minimum set of connection attributes that you must specify to successfully connect to the data source.
Depending on the configuration of the data source and the type of connection you are working with, you might need to specify additional connection attributes. For detailed information about all the attributes that you can use in the connection string. You can set additional configuration options by appending key-value pairs to the connection string. Configuration options that are passed in using a connection string take precedence over configuration options that are set in the DSN.
Some applications provide support for connecting to a data source using a driver without a DSN. To connect to a data source without using a DSN, use a connection string instead.
The following is the format of a DSN-less connection string for a basic connection to a Oracle server:. All Files. Magnitude documentation feedback: documentation magnitude.Register and Participate in Oracle's online communities. Learn from thousand of experts, get answers to your questions and share knowledge with peers.
Please enter a title. You can not post a blank message. Please type your message and try again. This discussion is archived. This content has been marked as final. Show 53 replies. Take a look on this below from documentation: How do I specify connection strings in Instant Client mode?
The bequeath adapter or the empty connect strings are not supported. Yes, yes, I know, I know But what is the connection to the original problem?ORACLE instant client installation for Windows 7 x64
Yours, Laurenz Albe. Hi All, Here's what's now in my. I bet it's one little annoying thing I'm either missing or I've set wrong. Thanks to everyone for your help! All Rights Reserved. Hi Legatti, I think we're close. It may not even matter, but I can connect using these methods.
Hi Legatti, I went back and made my. I also noticed you didn't have a sqlnet. After restarting I tried to run sqlplus and got an error about it finding a lib file that located in the same dir.
Your right. I'm able to connect. I just feel like I'm doing something wrong and want to know what and how things work.Download the desired package from OTN for your operating system and follow the installation instructions on the download page. Unzip it in the same directory as your Basic or Basic Light package. Or, if using the RPM package on Linux, install it with yum.
Install the unixODBC driver manager if it is not already available. Set any Oracle Globalization variables required for your locale. These new packages should then be unzipped into the Instant Client directory that needs to be patched. This method of patching is recommended. These should be copied into the Instant Client directory. Note: While copying from the Oracle Database Bundle patch, some of the files above may be missing. This implies that those files are unchanged and do not need to be patched.
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Directory path of the.Open Database Connectivity ODBC provides a standard interface that allows one application to access many different data sources. The application's source code does not have to be recompiled for each data source. A database driver links the application to a specific data source. A database driver is a dynamic-link library that an application can invoke on demand to gain access to a particular data source.
Therefore, the application can access any data source for which a database driver exists. A library of ODBC function calls that allows an application to connect to a data source, execute structured query language SQL statements, and retrieve results.
Figure shows the components of the ODBC model. Figure shows an ODBC application accessing three separate databases. Oracle ODBC driver now supports executing a stored procedure, which can return implicit results without using RefCursor.
This support eases any third party ODBC application, which migrated to Oracle and wants to use this same functionality that was provided by their previous vendors.
Starting from Oracle Database 12 c Release 1 Implements ODBC support for implicit results. See Table in Section The default value of MaxLargeData is 0.
If the value of MaxLargeData is greater thanthe data fetched is only bytes. If you pass a buffer size less than the MaxLargeData size in nonpolling mode, a data truncation error occurs if the LONG data size in the database is greater than the buffer size.
Added the new connection option, Bind Number As Float. Added support for OCI statement caching feature that provides and manages a cache of statements for each session. For example, 'April'. For example, 'Tuesday'. By default, MTS support is disabled. The functionality of this feature is always enabled.
Deprecated the Force Retrieval of Longs connection option in this release. See Section Before an application can communicate with the data source, you must provide configuration information. The data source consists of the data that you want to access, its associated operating system, database management system, and network platform used to access the database management system.
Follow these steps:. A list of installed drivers is displayed.Download the desired package from OTN for your operating system and follow the installation instructions on the download page. Unzip it in the same directory as your Basic or Basic Light package. Or, if using the RPM package on Linux, install it with yum. Install the unixODBC driver manager if it is not already available.
Set any Oracle Globalization variables required for your locale. These new packages should then be unzipped into the Instant Client directory that needs to be patched. This method of patching is recommended. These should be copied into the Instant Client directory.
Note: While copying from the Oracle Database Bundle patch, some of the files above may be missing. This implies that those files are unchanged and do not need to be patched. Home Menu. View Accounts. Try Oracle Cloud Free Tier. No results found Your search did not match any results. We suggest you try the following to help find what you're looking for: Check the spelling of your keyword search.
Connecting to Oracle 12g with the Instant Client and Excel VBA
The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Connecting with the instant client is no different than with the full stack client - all connect string formats are the same.
Where tnsentry has been defined by one of several means such as a tnsnames. Learn more. Ask Question. Asked 11 years ago. Active 3 years, 1 month ago. Viewed 13k times. Mark Harrison. Mark Harrison Mark Harrison k gold badges silver badges bronze badges. Active Oldest Votes. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password.
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Oracle Instant Client ODBC Installation Notes
Feedback on Q2 Community Roadmap. Technical site integration observational experiment live on Stack Overflow. Dark Mode Beta - help us root out low-contrast and un-converted bits.These Excel spreadsheets have always been manually updated by several users. However, because the data that the users are entering into these spreadsheets are first being entered into another separate application database, these users have been doing double-entry — a redundant process which can be easily remedied by various means.
Ideally, the solution for this problem would be to extract the data from the application database and load it into the reporting database using an SSIS package. Unfortunately, that would require some redevelopment of the application which loads data into the reporting database, and we and the customers have no bandwidth for that.
So I came up with a quick workaround that made everyone happy — using a VBA macro to automatically populate the spreadsheets with data when the users open them.
I had the Instant Client software installed on the PCs, then I added the requisite database connection information to the tnsnames.
Nota bene: In the Instant Client or at least in our setup, using version It is only imperative that the proper entries exist in the tnsnames. You must log in to post a comment. Skip to content. In a subroutine, this code was used to connect to the database and pull data. EOF 'Have a loop here to go through all the fields Sheet1.
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