How do you connect to a database in UNIX shell script?
The first thing you have to do to connect to oracle database in unix machine is to install oracle database drivers on the unix box. Once you installed, test whether you are able to connect to the database from command prompt or not. If you are able to connect to the database, then everything is going fine.
How do I connect MySQL database to Unix shell script?
# MYSQL CONFIG VARIABLES $platform = “mysql”; $host = “<your db server ip>”; $database = “<db name>”; $org_table = “<table name>”; $user = “<username>”; $pw = “<password>”; # DATA SOURCE NAME $dsn = “dbi:$platform:$database:$host:$port”; # PERL DBI CONNECT $connect = DBI->connect($dsn, $user, $pw);
How do I run a shell script in MySQL?
Lets, start with running single MySQL query from command line :
- Syntax : …
- -u : prompt for MySQL database username.
- -p : prompt for Password.
- -e : prompt for Query you want to execute. …
- To check all available databases: …
- Execute MySQL query on command line remotely using -h option :
28 июл. 2016 г.
How do I run a SQL script from Unix command line?
Running a Script as You Start SQL*Plus
- 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.
- Include your username as the first line of the file. Follow the SQLPLUS command with @ and the filename.
What is shell script in Unix?
A shell script is a computer program designed to be run by the Unix shell, a command-line interpreter. The various dialects of shell scripts are considered to be scripting languages. Typical operations performed by shell scripts include file manipulation, program execution, and printing text.
What is spool in shell script?
Using the Oracle spool command
The “spool” command is used within SQL*Plus to direct the output of any query to a server-side flat file. SQL> spool /tmp/myfile.lst. Becuse the spool command interfaces with the OS layer, the spool command is commonly used within Oracle shell scripts.
What is MySQL shell?
MySQL Shell is an advanced client and code editor for MySQL. This document describes the core features of MySQL Shell. In addition to the provided SQL functionality, similar to mysql, MySQL Shell provides scripting capabilities for JavaScript and Python and includes APIs for working with MySQL.
How do you assign the output of an SQL query to a Unix variable?
In first command you assign output of date command in “var” variable! $() or “ means assign the output of command. And in the second command you print value of the “var” variable. Now for your SQL query.
What are the commands in MySQL?
MySQL Commands
- SELECT — extracts data from a database. …
- UPDATE — updates data in a database. …
- DELETE — deletes data from a database. …
- INSERT INTO — inserts new data into a database. …
- CREATE DATABASE — creates a new database. …
- ALTER DATABASE — modifies a database. …
- CREATE TABLE — creates a new table. …
- ALTER TABLE — modifies a table.
How can I see MySQL database?
Show MySQL Databases
The most common way to get a list of the MySQL databases is by using the mysql client to connect to the MySQL server and run the SHOW DATABASES command. If you haven’t set a password for your MySQL user you can omit the -p switch.
How do I run multiple SQL statements in shell script?
sh script to execute multiple MySQL commands. mysql -h$host -u$user -p$password -e “drop database $dbname;” mysql -h$host -u$user -p$password -e “create database $dbname;” mysql -h$host -u$user -p$password -e “another MySQL command” …
How do I open MySQL shell in Linux?
On Linux, start mysql with the mysql command in a terminal window.
…
The mysql command
- -h followed by the server host name (csmysql.cs.cf.ac.uk)
- -u followed by the account user name (use your MySQL username)
- -p which tells mysql to prompt for a password.
- database the name of the database (use your database name).
How do I run a script from SQLPlus command line?
Answer: To execute a script file in SQLPlus, type @ and then the file name. The above command assumes that the file is in the current directory. (ie: the current directory is usually the directory that you were located in before you launched SQLPlus.) This command would run a script file called script.
How do I run a SQL script in Linux terminal?
Please follow below steps.
- Open Terminal and type mysql -u to Open the MySQL command line.
- Type the path of your mysql bin directory and press Enter.
- Paste your SQL file inside the bin folder of mysql server.
- Create a database in MySQL.
- Use that particular database where you want to import the SQL file.
How do I run a SQL script?
Executing a SQL Script from the SQL Scripts Page
- On the Workspace home page, click SQL Workshop and then SQL Scripts. …
- From the View list, select Details and click Go. …
- Click the Run icon for the script you want to execute. …
- The Run Script page appears. …
- Click Run to submit the script for execution.