How to solve SP2 0640 not connected?

Specifying the local service will create a TNSNAMES. ora file which can be used as one of the methods for resolving a connection string. While creating the protect user, the script attempts to connect to the database using TNS to resolve the connection.

How do I connect to Oracle?

To connect to Oracle Database from SQL Developer:

1. Access the menu from which you can select SQL Developer:
2. Select Oracle – ORACLE_HOME.
3. Select Application Development.
4. Select SQL Developer.
5. In the navigation frame of the window, click Connections.
6. In the Connections pane, click the icon New Connection.

How do I get to SQL command line?

Start the sqlcmd utility and connect to a default instance of SQL Server

1. On the Start menu click Run. In the Open box type cmd, and then click OK to open a Command Prompt window.
2. At the command prompt, type sqlcmd.
3. Press ENTER.
4. To end the sqlcmd session, type EXIT at the sqlcmd prompt.

What is Nolog in Sqlplus?

sqlplus /nolog – provides access to utilize sqlplus. The “/nolog” parameter means “start sqlplus, but do not log into a database” The environment variable ORACLE_SID provides the database name, the host is the local machine and the port is, by default, 1521.

How do I remotely connect to an Oracle database?

To initiate a remote connection from the SQL Command Line using the Oracle Database XE: On the remote computer, start a terminal session (Linux) or open a command window (Windows.) If prompted for host credentials, log in to the remote computer.

How do I run a SQL query in Linux?

Create a sample database

1. On your Linux machine, open a bash terminal session.
2. Use sqlcmd to run a Transact-SQL CREATE DATABASE command. Bash Copy. /opt/mssql-tools/bin/sqlcmd -S localhost -U SA -Q ‘CREATE DATABASE SampleDB’
3. Verify the database is created by listing the databases on your server. Bash Copy.