Can we connect to DB using shell script?

How do you connect to a database in UNIX shell script?

How do I connect to a SQL database in Unix?1Open a UNIX terminal.2At the command-line prompt, enter the SQL*Plus command in the form: $> sqlplus.3When prompted, enter your Oracle9i username and password. …4SQL*Plus starts and connects to the default database.How do I connect SQL database to Unix shell script? - CompuHoy.com

How do I connect to a db2 database in UNIX shell script?

Scripts / Scenario1Logon as instance owner and make sure Db2 is up and running.2Save below as repro.sh and run "chmod 777 repro.sh" ---------------- #!/bin/sh. export DBNAME=db1. db2 -v "drop db $DBNAME" db2 -v "create db $DBNAME" db2 -v "connect to $DBNAME" ... 3Run "repro.sh" as instance owner.[Db2] Simple test case shell script or scenario - IBM

What can be done using shell script?

A few examples of applications shell scripts can be used for include:1Automating the code compiling process.2Running a program or creating a program environment.3Completing batch.4Manipulating files.5Linking existing programs together.6Executing routine backups.7Monitoring a system.What is a Shell Script and How Does it Work? - TechTarget

Can we pass input to shell script?

Arguments can be passed to the script when it is executed, by writing them as a space-delimited list following the script file name. Inside the script, the $1 variable references the first argument in the command line, $2 the second argument and so forth. The variable $0 references to the current script.