Linux oracle sql client

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Instant Client Installation for Linux (32-bit)

For general Instant Client information, see the Home Page.

Client-server version interoperability is detailed in Doc ID 207303.1. For example, Oracle Call Interface 19.3 can connect to Oracle Database 11.2 or later. Some tools may have other restrictions.

Installation of ZIP files:

Download the desired Instant Client ZIP files. All installations require a Basic or Basic Light package.
Unzip the packages into a single directory such as /opt/oracle/instantclient_19_3 that is accessible to your application. For example:

 cd /opt/oracle unzip instantclient-basic-linux-19.3.0.0.0dbru.zip

 cd /opt/oracle/instantclient_12_2 ln -s libclntsh.so.12.1 libclntsh.so ln -s libocci.so.12.1 libocci.so

For example, on Oracle Linux, run:

 sudo sh -c "echo /opt/oracle/instantclient_19_3 > \ /etc/ld.so.conf.d/oracle-instantclient.conf" sudo ldconfig

Alternatively, set the LD_LIBRARY_PATH environment variable prior to running applications. For example:

The variable can optionally be added to configuration files such as ~/.bash_profile and to application configuration files such as /etc/sysconfig/httpd .

mkdir -p /opt/oracle/instantclient_12_2/network/admin

This is the default Oracle configuration directory for applications linked with this Instant Client.

Alternatively, Oracle configuration files can be put in another, accessible directory. Then set the environment variable TNS_ADMIN to that directory name.

Installation of RPM files:

Download the desired Instant Client RPM packages. All installations require a Basic or Basic Light RPM.
Install the packages with yum . For example:

sudo yum oracle-instantclient19.3-basic-19.3.0.0.0-1.i386.rpm

Note that from 19.3, by default only one version of the Instant Client RPM libraries can be installed at a time.

 sudo sh -c "echo /usr/lib/oracle/18.3/client/lib > \ /etc/ld.so.conf.d/oracle-instantclient.conf" sudo ldconfig

For Instant Client 19.3 RPM packages, these commands are automatically run.

Alternatively, set the LD_LIBRARY_PATH environment variable prior to running applications. For example:

The variable can optionally be added to configuration files such as ~/.bash_profile and to application configuration files such as /etc/sysconfig/httpd .

sudo mkdir -p /usr/lib/oracle/12.2/client/lib/network/admin

This is the default Oracle configuration directory for applications linked with this Instant Client.

Alternatively, Oracle configuration files can be put in another, accessible directory. Then set the environment variable TNS_ADMIN to that directory name.

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Linux oracle sql client

See the Instant Client Home Page for more information about Instant Client.

Client-server version interoperability is detailed in Doc ID 207303.1. For example, Oracle Call Interface 19.3 can connect to Oracle Database 11.2 or later. Some tools may have other restrictions.

Instant Client RPMs are also available from yum.oracle.com for Oracle Linux 8 and Oracle Linux 7.

Version 19.19.0.0.0 (Requires glibc 2.27)

Base — one of these packages is required

Name

Download

Description

All files required to run OCI, OCCI, and JDBC-OCI applications
(72,167,356 bytes) (cksum — 2098436471)

All files required to run OCI, OCCI, and JDBC-OCI applications
(50,394,052 bytes) (cksum — 391790275)

Smaller version of the Basic package, with only English error messages and Unicode, ASCII, and Western European character set support
(33,843,154 bytes) (cksum — 1807809457)

Smaller version of the Basic package, with only English error messages and Unicode, ASCII, and Western European character set support
(25,183,484 bytes) (cksum — 3249090742)

Tools — optional packages

Name

Download

Description

The SQL*Plus command line tool for SQL and PL/SQL queries
(895,322 bytes) (cksum — 1084119313)

The SQL*Plus command line tool for SQL and PL/SQL queries
(681,536 bytes) (cksum — 2341721767)

Includes Data Pump, SQL*Loader and Workload Replay Client
(1,221,507 bytes) (cksum — 1376544842)

Includes Data Pump, SQL*Loader and Workload Replay Client
(945,784 bytes) (cksum — 2880749463)

Development and Runtime — optional packages

Name

Download

Description

Additional header files and an example makefile for developing Oracle applications with Instant Client
(934,898 bytes) (cksum — 3058144248)

Additional header files and an example makefile for developing Oracle applications with Instant Client
(619,488 bytes) (cksum — 1371976780)

Additional support for Internationalization under JDBC
(1,578,849 bytes) (cksum — 2028481195)

Additional support for Internationalization under JDBC
(1,534,324 bytes) (cksum — 3783463702)

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Linux oracle sql client

Free, light-weight, and easily installed Oracle Database tools, libraries and SDKs

Oracle Instant Client enables development and deployment of applications that connect to Oracle Database, either on-premise or in the Cloud. The Instant Client libraries provide the necessary network connectivity and advanced data features to make full use of Oracle Database. The libraries are used by the Oracle APIs of popular languages and environments including Python, Node.js, Go, PHP and Ruby, as well as providing access for Oracle Call Interface (OCI), Oracle C++ Call Interface (OCCI), JDBC OCI, ODBC and Pro*C applications. Tools included in Instant Client, such as SQL*Plus, SQL*Loader and Oracle Data Pump, provide quick and convenient data access.

Oracle Instant Client

What’s New

Oracle Linux has Instant Client RPMs

Instant Client RPM packages for Oracle Linux can now be installed from yum.oracle.com for Oracle Linux 8 and Oracle Linux 7. Older releases are available for Oracle Linux 8, Oracle Linux 7 and Oracle Linux 6.

See Instant Client for Oracle Linux for installation instructions.

Instant Client is available for Docker

Dockerfiles are available on GitHub. Pre-built images are available from the GitHub Container Registry.

Instant Client Features

Free to download, deploy and distribute
Small footprint
ZIPs available for quick, one-step install
RPM Packages also available for Linux, and DMG Packages for macOS Intel x86
Same libraries as full Oracle Database or Oracle Client
Includes tools such as SQL*Plus, SQL*Loader and Data Pump
Widely used and tested

Recommended Oracle Oracle Instant Client

Oracle recommends using the latest 19c Release Update of Oracle Instant Client or Oracle Database Client. This is a Long Term Release.
Alternatively you can use the latest 21c Release Update if you require client features introduced in this Innovation Release.

Instant Client applications are cloud ready

Deploy applications using Instant Client in the cloud, or connect to a cloud database.

Whether your applications are in the cloud or on-premise, you can install Instant Client and connect to cloud databases. Follow the normal installation process for your operating system. Some cloud-specific references are shown below.

Recent changes to Oracle Autonomous Database on Shared Exadata Infrastructure (ADB-S) connectivity

DigiCert retired the Organizational Unit (OU) field for all public TLS/SSL certificates to comply with industry standards as of August 2022. This means that public TLS/SSL certificates issued by DigiCert will no longer have an OU field. Refer to MOS note 2911553.1 for details.

To avoid disruption to applications connecting to Oracle Autonomous Database on Shared Exadata Infrastructure (ADB-S) during the server side certificate change, you must use hostname based matching of the server certificate.

The following versions of Oracle Instant Client automatically support hostname based matching:

Oracle Call Interface (OCI), Oracle C++ Call Interface (OCCI) or ODBC applications must use one of the above client versions.
Oracle Database drivers based on Oracle Instant Client or Oracle Database Client (e.g ODPI-C, python-oracledb Thick mode, cx_Oracle, node-oracledb, godror, PHP OCI8, PHP PDO_OCI, ruby-oci8, ROracle, and rust-oracle) must use the driver with a compatible client version from the list above.

ADB-S connection strings contain a hostname «. (HOST=xyz). » which depends on the region. For example, in the Chicago region the hostname would be «adb.us-chicago-1.oraclecloud.com». If you have replaced the default hostname with an IP address or a custom hostname, then hostname based DN matching will fail. The solution is to add a new entry to your /etc/hosts file using the original ADB-S domain suffix. Your connection string should then use this new name. For example an entry «localtunnel.adb.us-chicago-1.oraclecloud.com» could be created and used.

Connecting to Multiple Oracle Autonomous Databases from one Process

To connect to multiple Oracle Autonomous Database instances from within one application process, use Oracle Instant Client 19.17, or later, or use Instant Client 21c.

If you are using mTLS connections, put each wallet’s cwallet.sso file in a unique directory. Concatenate the tnsnames.ora file entries from all wallets into a single tnsnames.ora file. Make a copy of one sqlnet.ora file and remove the WALLET_LOCATION line. Alter each connection descriptor in your new tnsnames.ora file and add a WALLET_LOCATION clause set to the directory containing the cwallet.sso file for the relevant database. See the Database Net Services Reference for an example. Configure your application to use the new tnsnames.ora and sqlnet.ora files, for example by placing them both in the «network/admin» sub-directory of your Instant Client installation. Your application can now use the appropriate network alias from the tnsnames.ora file to connect to each database service.

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