Store sql query result in variable in shell script example. I have some logic residing on the value returned.

Store sql query result in variable in shell script example Easy to use You can automate frequently used commands using Shell script May 22, 2018 · I have written a powershell script to query a database to get a list of server names. COUNT_STATISTICS WHERE model = '&MY_MODEL' AND NEW_DATE = ( select max(NEW_DATE) from SEMANTIC. You can do this in several ways. However, I'm trying to figure out if there's a way to connect to the DB, and call the script from inside of the bash script so that I can insert date and make the queries run relative to a certain number of days in the past. But when I try to assign the query results to a variable, all I see is System. COUNT_STATISTICS where MODEL = '&MY_MODEL' ); Now, how do I return this PERCENTAGE Apr 14, 2021 · 1 I am trying to a single value from a SQL query to a PowerShell variable. However, the concepts and techniques discussed in this article can be applied to other database management systems as well. How do you assign the output of an SQL query to a Unix variable? How do I export SQL output to Excel in Unix? Oct 28, 2021 · How to store query multiple result in shell script variable (Array)? Ask Question Asked 4 years ago Modified 4 years ago Jul 23, 2025 · In the world of SQL Server, the SELECT INTO statement is a powerful syntax for retrieving data from one or more tables and inserting it into a new table. I am unable to successfully retrieve the cell data into a variable from the function. Thanks in advance. This cmdlet also accepts many of the commands supported natively by SQLCMD, such as GO and QUIT. We are using the invoke-sqlcmd commandlet for this example so I included the Powershell command to install. Most of the time during the shell scripting we get requirement to get the database table query result values to a shell script variables. Cheers XXX Feb 5, 2015 · The DB2 CLP on Linux and UNIX can handle command substitution without losing its database connection context, making it possible to capture query results into a local shell variable or treat it as an inlined block of text. Nov 20, 2018 · You can use this script and example as a template for your need where you want to run dynamic SQL and store the result of it into a variable. like set var = mysql -uroot -proot -e"select count(*) from table"; i also tried to do it other way like set var= It's not the result of this query that I'm concerned with, but instead: to stop selecting the result so many times - in my sample, I reselected the table 3 times the query of @result1 is usually so much more complex. The issue is I am able to send only the SQL output. Dec 14, 2020 · SQL Query Returning Single Row (sqltest. Using Powershell we can connect to and return a simple T-SQL query result set using your existing SQL code. In this tutorial, we’ll explore how to save multiple rows of output from a MySQL query into a Bash array. I then store the results in a variable so I can go through each server to lookup a service by doing something l Sep 9, 2004 · how do I store the result of a select statement into a variable which can be accessed from the shell script . header=false; select max(var) from table;") In the past I have used SQL*Plus, and called the sqlplus binary manually, from a bash script. Mar 5, 2011 · hello experts, I am not exactly sure how I can read the results of a db2 command and use it as a variable for a shell script. I’ve been asked on several occasions about how to store the output of PowerShell WMI data into the SQL table. Below is the script mysql="mysql -h localhost -u root" db="testdb"; echo "Select Name from Details"|${ Feb 26, 2020 · Could you please help me to got like above format or how can i convert SQL query result set into HTML in shell script. Mar 1, 2017 · Database Research & Development: Shared a demo bash shell script to store the result of psql query into variable of Linux. table echo var1 Thanks,&hellip; Jul 14, 2014 · I am trying to execute select query and store the result in a variable in shell script. I have written this so far but I am not able to get results in table format. Data Migration: Migrate data between databases or from files to databases, transforming and validating data along the way. Here's the syntax: Dec 9, 2016 · The Query Optimizer will always generate an estimate of 1 for when reading data from a table variable, which will generate a less than optimal execution plan for the scenario in which @variable has a large number of rows. Jul 18, 2013 · INSERT INTO SEMANTIC. This will return the results to the host, but I would like to use each value as a variable. I need create a linux script and in this script I need capture the result of the SQL query in Oracle using <<EOF and put into a variable for example: Oct 19, 2021 · How to parse through the SQL output stored in a Shell variable in Bash Ask Question Asked 4 years, 1 month ago Modified 4 years, 1 month ago Dec 1, 2008 · Hi, Is there a possibility of assigning the output of a sql query to a variable in a batch file. I have some logic residing on the value returned. Aug 30, 2021 · My problem is that I can't figure out how to get this stored procedure to output the results to a . I know the connection and query are running successfully because I am getting the output I expected when using Invoke-DbaQuery or Invoke-Sqlcmd. However, the result goes to the script output screen. We also provide a brief overview of Windows PowerShell for those less familiar with the tool! The Invoke-Sqlcmd cmdlet runs a script containing the languages and commands supported by the SQL Server SQLCMD utility. #!/bin/sh # This script assumes the db2profile script has already been sourced db2 "connect to <database> user <username> using <password>" # Backtick command substitution And in the second example, it will store the SQL query result in an array variable returning multiple rows. my shell script is like, #!/bin/sh /usr/bin/my&hellip; Jul 23, 2025 · In this article, we will be creating a shell script to perform various database operations. 2 Type SQL statements or !help +----------+ | COUNT(*) | |----------| | 4 | +----------+ Advantages of using using Shell Script with Snowflake Commands Following are some of the advantages of using a shell script to execute Snowflake commands. 1; --want to store result of this bellow select statement in model_count variable select PRNCT_CHANGE FROM SEMANTIC. Running SQL queries from shell scripts can be applied to various scenarios: Database Backups: Automate database backup procedures by running SQL commands to create backups and shell scripts to manage backup files. This can be useful when you want to store specific values from a query result and use them later in your code. Jun 10, 2015 · I have the following shell script which runs a SQL query and a command which sends the output as an email. suppose I was to do select count (1) from sample table and get a value, how do I let the shell script know about this value. JSON, CSV, XML, etc. Make it executable. Code Explanation: Uses mysql command-line tool to execute a query and store the result in the result shell variable. PowerShell is a cross-platform (Windows, Linux, and macOS) automation tool and configuration framework optimized for dealing with structured data (e. . Nov 1, 2016 · I am trying to save the result of a query into a variable. For eg. If you need to return a small numeric value, you can use the EXIT command. Data. Use option '-t' to store only tuple value. Oct 30, 2023 · Assigning Select Query Results to Variables In PostgreSQL, you can assign the results of a SELECT query to variables for further processing. I only need the results of one cell. Output. sh) Make the file executable. Not the output of the for loop. Dec 3, 2022 · I need to run a SQL query using SHELL script in PUTTY and send the results in email body in table format with headers along with a message line on top. g. 2. So, with a variable, the code will be cleaner. How to assign the result of a query to a variable in PL/pgSQL? I have a function: Mar 18, 2019 · In this blog post, we will talk about PowerShell features many one-line commands for working with SQL Server, one of which is Invoke-SqlCmd. help! for example, I want to grab the row counts and echo it. SQL Server SELECT INTO @variable In the SQL Server, it is important to manage query results effectively. Example 11-35 uses the EXIT command to return a count of tables to a shell script variable. Here is one example to get a single column values to a variable. PowerShell includes a command-line shell, object-oriented scripting language, and a set of tools for executing scripts/cmdlets and managing modules. Test. but somehow it is not working. In this article, we'll delve into the intricacies of using SELECT INTO @Variable in SQL Server, exploring its syntax, use cases, and best practices. #!/bin/ksh variab Jul 14, 2000 · Assign return value to Unix Variable Hi Tom, How to assign value from SQL Plus to Unix Shell Variable? Ex: $ SAL=`sqlplus scott/tiger -s << select max (sal) from emp; exit; EOFThanks,Bhaskara Aug 3, 2024 · In this blog post, we have read how to use a Unix shell script to connect to the database and execute a SQL query. The simplified script below works if I select all and hit F5. i tried using the following but … PowerShell has replaced the traditional way of scripting that used many legacy scripting practices to monitor SQL instances. May 30, 2018 · I'm using bash shell on CentOS 7. COUNT_STATISTICS SET PRNCT_CHANGE = 1. Looking for some thing like below but in Windows: In Unix we do this, var1=db2 -x select count (name) from schema. May 14, 2021 · 1 I am trying to store the value of sql query output in a variable using shell script. Sep 25, 2014 · I am using the following simple UNIX script to assign the output to a variable. If there were 4 rows returned, I thought I could capture the four rows in an When writing shell scripts, you can use SQL*Plus as a mechanism for getting information from your database into shell script variables. print. for ex: sqlcmd -E -Q"select flag from table_A" I want the output of the query to a variable in a Apr 9, 2012 · SET @v1 := SELECT COUNT(*) FROM user_rating; SELECT @v1 When I execute this query with set variable this error is shown. sh S_STUDENT TEST_DB * SnowSQL * v1. Jul 20, 2024 · One way to store the result is using a Bash array, whereby each row of the result set becomes a single element of the array. To assign the results of a SELECT query to a variable, you can use the SELECT INTO statement. DataRow Nov 30, 2020 · 1 how do we assign SNOWSQL select query output to an unix variable, i am using below shellscript and trying to assign the output of select statement to variable var2. tail -n 1 ensures only the last line (single value) of the query output is captured. Before we begin, make sure that you have the following prerequisites: A Aug 15, 2017 · Store a query result in a variable and use in another query I'm trying to store the result of a query in variable and then use the value in another query. I am calling a function to query an SQL table. (you may need to start VSCode as Administrator). Jan 22, 2020 · For example, $ sh shell_script_snowsql. It didn't deal with neither rows nor columns. cli. We also learn how to pass variables to SQL queries using a bash script. txt file when the query results contain more than one record. This cmdlet also accepts the SQLCMD scripting Mar 27, 2012 · i am working on a batch script. Maybe I want to much - or there's a type of local variable. Jul 23, 2025 · This is where the SELECT INTO @Variable syntax comes into play. I tri May 13, 2016 · Use shell wrapper script to get result into variable and pass it to your Hive script. How do you run a SQL command in a shell script while setting a variable? I had tried this method and it isn't executing the command, it is thinking the command is just a string. maximo=$(hive -e "set hive. In this article, I will cover: Getting a SQL Server result set from a stored procedure The stored procedure has a required parameter Iterating through the rows of data returned from SQL Server Using column values from the SQL server result Jun 20, 2019 · Closed 6 years ago. Nov 22, 2014 · It does what he originally asked, store the result of the query in a bash variable. I am using sqlcmd to execute this query, but haven't figured out how to do this properly. I want to save sql-query outputs in variable, but actually I must connect for every query to mysql with: In this script, mysql is used to connect to the database, execute the SQL query, and store the results in the results variable. How to atore a scalar postgresql-value on a bash-variable like in script below? Jul 21, 2013 · Im new in bash scripting. ), REST APIs, and object models. sqlplus myusername/mypassword@Host/ORCL The /NOLOG option starts SQL*Plus without connecting to a database. I am using IBM DB2, but I can only store the result if I am declaring the variable inside a procedure. i want to store the count of row's in variable. Dec 10, 2018 · Trying to use SQL results as variables. Sep 6, 2011 · Hi, How to store an output of a query into a variable in Windows script/batch file. For example, If I had a t Jan 13, 2020 · How to store value of sqlcmd query into variable in shell scripting Ask Question Asked 5 years, 10 months ago Modified 5 years, 10 months ago Jan 24, 2018 · Example: Connect to database using Easy Connect and the Service name is ORCL. I want to run a MySQL query from a shell script and iterate over each row of results. I want to get SQL query result same as we got when run on SQL developer/Toad/PLSQL developer. The question comes up so frequently that I decided to write this article. If you have any such script, I request you to share the same with me and I will publish it with due credit to you. Jun 16, 2008 · My SQL query is SELECT LAST_INSERT_ID (); I want to store result of this query in some shell script variable. Mar 14, 2012 · I want the output of an SQL query Select count(*) from Table to be used as a variable in a Batch script. Nov 12, 2018 · By: Mason Prewett This article is Part 2 of our previous Key2 article, How to Execute and Store Transact-SQL (T-SQL) Query Results in a PowerShell Array. In the following example, the SQL query returns the employee’s name by passing the employee number, and it will store the value in a variable. We will be using the MySQL database management system and the MySQL command-line client for our examples. The commands supported are Transact-SQL statements and the subset of the XQuery syntax that is supported by the database engine. However, what if you want to store the result set of a SELECT query into a variable rather than a table? This is where the SELECT INTO @Variable syntax comes into play. Oct 28, 2009 · Store mysql query output into a shell variable Asked 16 years, 1 month ago Modified 5 years, 8 months ago Viewed 222k times I am connecting to oracle database and firing a query and assigning the output to variable But when I echo the value of the variable it doesn't get printed correctly. Please always use sp_executesql instead of just EXEC to run your dynamic SQL. Use Cases for SQL and Shell Scripting Sep 12, 2017 · In this post, we walk you through how to execute and store Transact-SQL (T-SQL) query results in a PowerShell array. Feb 18, 2020 · I could not agree more with @martin9700 , using the SqlServer module will be your best friend with regards to extracting SQL information into a powershell script. The following example is to demonstrate how to store SQL query result into an array returning multiple rows. COUNT_STATISTICS (); UPDATE SEMANTIC.