How do I connect UNIX shell script to database?

How do I connect UNIX shell script to database?

How do I connect to a SQL database in Unix?

1. Open a UNIX terminal.
2. At the command-line prompt, enter the SQL*Plus command in the form: $> sqlplus.
3. When prompted, enter your Oracle9i username and password. …
4. SQL*Plus starts and connects to the default database.

How do I run Sqlplus on Linux?

Do the following steps to start SQL*Plus and connect to the default database:

1. Open a UNIX terminal.
2. At the command-line prompt, enter the SQL*Plus command in the form: $> sqlplus.
3. When prompted, enter your Oracle9i username and password.
4. SQL*Plus starts and connects to the default database.

What is sqlplus username and password?

For username , you can use the SYS or SYSTEM administrative users. At the prompt, enter the password that you set up during installation. If you use the SYS user, you must include AS SYSDBA after the username.

How do I run a shell script from MySQL?

Sometimes it is needed to run some MySQL queries from the Linux command-line interface without accessing the interactive MySQL prompt….MySQL: Execute SQL Queries From The Linux Shell.

How do I connect to a PostgreSQL database from Unix?

Connect to PostgreSQL from the command line. At the command line in your operating system, type the following command. user@user-pc:~$ sudo -i -u postgres postgres@user-pc:~$ psql psql (9.3. 5, server 9.3.

How do I run a Sqlplus file?

To run a script as you start SQL*Plus, use one of the following options:

1. Follow the SQLPLUS command with your username, a slash, a space, @, and the name of the file: SQLPLUS HR @SALES. SQL*Plus starts, prompts for your password and runs the script.
2. Include your username as the first line of the file.

Which of the following are Sqlplus commands?

SQL*Plus Commands

• Enter SQL*Plus commands to configure the SQL*Plus environment.
• Startup and shutdown an Oracle database.
• Connect to an Oracle database.
• Enter and execute SQL commands and PL/SQL blocks.
• Format and print query results.

What is sqlplus in Linux?

Sqlplus is an Oracle command line utility which is used to execute SQL and PL/SQL commands. Connecting to sqlplus from UNIX box to retrieve data is one of the very common tasks and hence sqlplus becomes an important tool in shell scripting.

How to write SQL code in shell script?

The sql code is written in a separate sqlplus script file emp.sql, and the shell script emp_id.sh invokes the sqlplus script :

How to use sqlplus/nolog command in shell script?

In the above script we wrap sqlplus /nolog command in a shell redirection which passes all commands between EOF words to sqlplus via stdin. This technique allows you to save these quick snippets and then recall/execute them with a lightning speed. I use TextExpander for this but you can simply save these snippets in a file/script.

Is it possible to create a shell script from PLSQL?

you cannot really, best you can do is have plsql create a small file with the “set” commands (a small shell script) and have the invoking shell script “source” it afterwards. eg: you can use spool and dbms_output in sqlplus/plsql and then have the shell script source the resulting script with the environment variable settings.