Submit the SQL*Plus CONNECT command to initially connect to the Oracle database instance or at any time to reconnect as a different user. Connect to the Oracle Database instance using SQL*Plus.

May 13, 2014 · The most simple is to use tnsnames.ora file to connect to the database. For that edit it and add a new entry: This file normally resides in the $ORACLE HOME\NETWORK\ADMIN directory. (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(Host = c)(Port =a)) (CONNECT_DATA = (SERVICE_NAME =b) and then you could connect to the db: sqlplus x/y@myDb.

Different ways to connect Oracle Database from Unix user are: Please see the explanation at link: https://stackoverflow.com/a/45064809/6332029. Thanks! Eg: Easy way (using XE): 1). Configure your tnsnames.ora. (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = HOST.DOMAIN.COM)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = XE)

Jun 6, 2024 · Here is a list of some essential SQLPlus Commands: Connects to a database using the specified credentials and connection details. Executes an SQL query to retrieve data from a table. Displays the structure of a table (columns, data types, etc.). Sets the maximum line width for query output. Sets the number of lines per page for query output.

To connect to an Oracle database using SQLPlus, open the command prompt or terminal and type “sqlplus” followed by the username, password, and service name. For example: “sqlplus username/password@servicename”.

Feb 6, 2025 · This guide covers all possible ways to connect using sqlplus, along with examples. 1. Connect as SYSDBA (Administrator Mode) If you have administrative privileges, you can connect as SYSDBA. This is useful for managing the database. Command: sqlplus / as sysdba Example Output: SQL*Plus: Release 19.0.0.0.0 - Production on Mon Feb 5 10:00:00 2025 ...

Dec 16, 2022 · There're several ways to connect to a database in sqlplus. Connect at sqlplus. We can append the connection string to command sqlplus to connect to a database. C:\Users\scott>sqlplus hr/password@orclpdb... SQL> show user USER is "HR" Or without specifying password. C:\Users\scott>sqlplus hr@orclpdb... Enter password: As …

In this tutorial, we will learn how to connect to an Oracle database using the SQL*Plus tool. Oracle SQL*Plus is a database client tool that allows us to access and interact with the database. Ensure that you have Oracle Database and SQL*Plus installed on your machine.

Jun 9, 2024 · To connect to an Oracle Database using SQL*Plus, follow these steps: Open a command prompt or terminal window. Type sqlplus followed by your username and password in the format sqlplus username/password@hostname/service_name.

Example - To start SQL*Plus and connect to a database other than the default. Open a UNIX or a Windows terminal and enter the SQL*Plus command: sqlplus username @ connect_identifier. You are prompted to enter your password.