For Unix and MacOS, ODBC drivers should be compiled againstunixODBC. Drivers compiled against iODBCmay also work, but are not fully supported.

After installation of the driver manager and driver, you will have toregister the driver in a odbcinst.ini file for it to appear in odbc::odbcListDrivers().

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Microsoft Windows

Database Drivers

Windows is bundled with ODBC libraries; however, drivers for each databaseneed to be installed separately. Windows ODBC drivers typically include aninstaller that must be run to install the drivers in the properlocations.

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Administration

The ODBC Data Source Administratorapplication is used to manage ODBC data sources on Windows.

Apple MacOS

Installation

1. Install homebrew to install database drivers easily on MacOS

2. Install UnixODBC, which is required for all databases

3. Install common DB drivers (optional)

Setting up database connections

Drivers epson port devices. See the section with the same name in the Linux section.

Linux Debian / Ubuntu

Installation

The apt-get command can be used to install databasedrivers easily on Linux distributions that support it, such as Debian and Ubuntu.

1. Install UnixODBC, which is required for all databases

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2. Install common DB drivers (optional)

Setting up database connections

On MacOS and Linux, there are two separate text files that need to be edited.UnixODBC includes a command-line executable called odbcinst, which can be used toquery and modify the DSN files. However, these are plain text files youcan also edit by hand if desired.

There are two different files used to set up the DSN information:

• odbcinst.ini defines driver options

• odbc.ini defines connection options

odbcinst.ini

This file contains the driver information, particularly the name of the driver library.Multiple drivers can be specified in the same file.

odbc.ini

This file contains the connection information, particularly the username, password, databaseand host information. The Driver line corresponds to the driver defined inodbcinst.ini.

See also: unixODBC without the GUI for more information and examples.

Location

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The DSN configuration files can be defined globally for all users of thesystem, often at/etc/odbc.ini or /opt/local/etc/odbc.ini. The file location depends onwhat option was used when compiling unixODBC; odbcinst -j can be used to findthe exact location. Alternatively, the ODBCSYSINI environment variable can beused to specify the location of the configuration files. Ex. ODBCSYSINI=~/ODBC

A local DSN file can also be used with the files ~/.odbc.ini and ~/.odbcinst.ini.

Connecting to a Database in R

Microworx driver download for windows. Databases can be connected by specifying a connection string directly, or withDSN configuration files.

Connection Strings

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Pass the connection parameters as arguments to the dbConnect() function.

For database-specific settings, go to the Databases section in the menu and look for the page that matches the desired database type.

DSN Configuration files

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ODBC configuration files are another option to specify connection parameters; theyallow you to use a Data Source Name (DSN) to make it easier to connect to a database.

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For more information about how DSN can be used, check out the following articles in this site: