Oracle Call Interface (OCI) is the comprehensive, high performance, native C language interface to Oracle Database for custom or packaged applications. OCI is highly reliable. Oracle tools such as SQL.Plus, Real Application Testing (RAT), SQL.Loader, and Data-Pump all use OCI. OCI provides the foundation on which other language-specific interfaces such as Oracle JDBC-OCI, Oracle Data Provider for Net (ODP.Net), Oracle Precompilers, Oracle ODBC, and Oracle C Call Interface (OCCI) drivers are built.

1. Installing Odbc Drivers For Excel

4.3 Installing Connector/ODBC on macOS macOS is based on the FreeBSD operating system, and you can normally use the MySQL network port for connecting to MySQL servers on other hosts. Installing the Connector/ODBC driver lets you connect to MySQL databases on any platform through the ODBC interface. To install the IBM Data Server Driver for ODBC and CLI, you need to obtain the compressed file that contains the driver. It is available to download from the internet, and it is on the DB2® Version 9 install CD.

Installing Odbc Drivers For Excel

OCI is also used by leading scripting language drivers such as node-oracledb for Node.js, PHP OCI8, ruby-oci8, Perl DBD::Oracle, Python cxOracle, and the statistical programming language R's ROracle driver. A broad range of customers including Fortune 500 customers and ISVs develop high performance applications directly in OCI.

OCI libraries are included by default in Oracle Database 18c. OCI is also in the lightweight Oracle Instant Client, allowing ISVs and customers to quickly install and deploy OCI applications and tools. See the for more information. Oracle Database Programming Interface for C (ODPI-C) is a new open source library of C code that simplifies the use of common OCI features for Oracle Database drivers and user applications. ODPI-C is a thin layer on top of OCI and requires Oracle client libraries.

ODPI-C's goal is to expose common OCI functionality in a readily consumable way to the C or C developer. OCI's API is extremely flexible and is highly efficient, giving very fine-grained control to the developer for a wide range of use cases. ODPI-C is also flexible but is aimed primarily at language driver creators.

These creators are programming within the confines of a scripting language's type system and semantics. The languages often expose simplified data access to users through cross-platform, 'common-denominator' APIs. Therefore ODPI-C provides easy to use functionality for common data access, while still providing the power of Oracle Database.

Of course ODPI-C isn't just restricted to drivers. ODPI-C is licensed under the Apache 2.0 and/or the Oracle UPL licenses, so the code can be resused in your own projects. Based on the Standard C and object-oriented paradigm, OCCI is designed for improved productivity and quality in developing Oracle Database applications. OCCI is being successfully used for client-server, middle-tier, and complex object modeling applications. OCCI is the natural interface for accessing Oracle object-relational features like object types, inheritance, relationships and collections.

Objects are represented as C class instances in OCCI leading to seamless integration between the application and database. The navigational access method with the client object cache provides complete database transparency.

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Important If you installed the v17 msodbcsql package that was briefly available, you should remove it before installing the msodbcsql17 package. This will avoid conflicts. The msodbcsql17 package can be installed side by side with the msodbcsql v13 package.

Note. Driver version 17.2 or higher is required for Ubuntu 18.04 support.

The unixodbc-dev package 2.3.1 is not available on Ubuntu 14.04.