How to assign sql query output to a variable in unix without. You can't use variables in a view .

How to assign sql query output to a variable in unix without Output. psqlrc file might add some redundant output, as well as the -A option, which disables column aligning (whitespaces). Cheers=20 Shailendra. Oct 28, 2021 · How to store query multiple result in shell script variable (Array)? Ask Question Asked 4 years ago Modified 4 years ago Oct 19, 2021 · Hi, I would like to store the output of the query in variable preferably like array, and loop through it for accessing individual values. SQL Server SELECT INTO @variable In the SQL Server, it is important to manage query results effectively. Declaring a variable Before you can use a variable, you must declare the variable. When i use SET MARKUP HTML ON then getting result in HTML tags not in tabular format. Here is one example to get a single column values to a variable. I do not want to store a single variable in a file and then read it. 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. However, the result goes to the script output screen. Jun 30, 2025 · Learn how to use the SET variable syntax of the SQL language in Databricks Runtime and Databricks SQL. It didn't deal with neither rows nor columns. Jan 13, 2020 · You should probably be addressing this in the sqlcmd itself - for example, adding set nocount on to the query and adding -h -1 to suppress the header. Nov 18, 2025 · The names of some Transact-SQL system functions begin with two at signs (@@). Aug 29, 2005 · Home » Infrastructure » Unix » assign sql output to unix shell variable Show: Today's Messages :: Polls :: Message Navigator E-mail to friend Goto Forum: Feb 11, 2010 · How do you assign the result of an exec call to a variable in SQL? I have a stored proc called up_GetBusinessDay, which returns a single date. The @@ functions are system functions, and their syntax usage follows the rules for functions. Mar 17, 2016 · I'd like to use a bind variable value as input prompt in a SQL*Plus script. May 5, 2005 · Hi, How can i fetch multiple values from oracle into shell variables. Here's what I've tried: 1) I defined the bind variable as follows SQL>var prompt varchar2 (100) 2) and assigned a value Jul 25, 2019 · Your ORACLE_HOME variable is not being set or being set to a NULL value and therefore it is looking for the sqlplus binary in /bin/sqlplus where it does not exist. i want to store the count of row's in variable. The local variables can be created for different data types and can also be assigned values. name =3D b. ). name / Now, how do i get the values returned by this query in shell variables = for displaying. Additionally, variable assigned values can be changed during the execution period. Aug 29, 2005 · Home » Infrastructure » Unix » assign sql output to unix shell variable Show: Today's Messages :: Polls :: Message Navigator E-mail to friend Goto Forum: Jun 16, 2014 · I have an sql query that returns a date. Below is the script mysql="mysql -h localhost -u root" db="testdb"; echo "Select Name from Details"|${ While working on HIVE, you may want to use variables in the query to get results. g Mar 27, 2012 · i am working on a batch script. name like ‘S%’ group by a. How do you assign the output of an SQL query to a Unix variable? How do I export SQL output to Excel in Unix? In my experience , you get the output of query in a variable as follows var=$(impala-shell --ssl -B --quiet -q " show tables in db_name") This should contain only the query output and not any other information such as "Starting Impala Shell without Kerberos authentication SSL is enabled. The syntax is as follows for using Oracle, MariaDB, or MySQL server. for eg. Jan 29, 2010 · H ow do I call Oracle or MySQL sql statements in UNIX / Linux shell scripts? You need to use a here document feature supported by sh / bash or ksh. Jan 22, 2015 · I need to query the database and assign the return value to a shell variable, but it's not working. I'm trying to set a variable from a SQL query: declare @ModelID uniqueidentifer Select @ModelID = select modelid from models where areaid = 'South Coast' Obviously I'm not doing this right as it Dec 26, 2012 · How to Assign the Output of an SQL Query to a Variable? Hi iam new to shell scripting how to declare variables as redshift query and I have to compare two counts by using if condition . Jul 14, 2000 · I'd like to query the data dictionary and return that into a variable but I can't find anywhere that is stored? All my other ideas are hack like, eg greping the spfile, or using sho parameter. Jul 23, 2025 · In SQL Server, variables play a critical role in the dynamic execution of SQL scripts and procedures. for ex: sqlcmd -E -Q"select flag from table_A" I want the output of the query to a variable in a batch Mar 1, 2017 · Database Research & Development: Shared a demo bash shell script to store the result of psql query into variable of Linux. This is a powerful technique for manipulating data in PostgreSQL. Feb 10, 2011 · My requirement is to store the result of an sqlplus operation into a variable in my shell script. create table imr_env (key varchar2(1000), value varchar2(1000) ; 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 You can define variables, called substitution variables, for repeated use in a single script by using the SQL*Plus DEFINE command. g. Dec 14, 2020 · SQL Query Returning Single Row (sqltest. put_line to print it out. If you have multiple column outputs then we will have to concatenate into a single column and pass it to the shell script variable. This tutorial introduces you to PL/SQL variables and shows you how to manipulate the variables effectively. sql which exists in the UNIX server using Unix shell script. You can't use variables in a view This article presents some some basic techniques for creating Windows batch files and UNIX/Linux shell scripts that connect to SQL*Plus and RMAN. Looking for some thing like below but in Windows: In Unix we do this, var1=db2 -x select count (name) from schema. name,a. I have written this so far but I am not able to get results in table format. In SQL Server, local variables are used to store data during the batch execution period. sql 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. In this tutorial, we’ll explore how to save multiple rows of output from a MySQL query into a Bash array. Test. Nov 22, 2014 · It does what he originally asked, store the result of the query in a bash variable. select count(*) as cnt from emp where employee='Scott' and job='Manager' and Salary>10000 and location='Chicago' and deptno=10 and hike_in_perc=15 and deptname is not Put the -c option just before its argument - the query. 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. sh) Make the file executable. Run a SQL query file. but somehow it is not working. How do you assign the output of an SQL query to a variable? The syntax for assigning a value to a SQL variable within a SELECT query is @ var_name := value , where var_name is the variable name and value is a value that you’re retrieving. The issue is I am able to send only the SQL output. Fetched 1 rows in 1 sec. Store the output of a command (e. 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. And of course, use the backticks (`) operator. like set var = mysql -uroot -proot -e"select count(*) from table"; i also tried to do it other way like set var= This is because, as stated above, SQL will assign a value to the variable once per post - meaning it won't do anything with the variable if the result contains no posts. And if the insert only inserted one row, perhaps it is easier to get hold of what is used in the values clause directly instead of using output? Mar 7, 2021 · Learning how to use SQL Variable in queries is a step in the right direction towards making your queries more flexible for you and others to use. Now for your SQL query. Mind also using the additional -t option to get just the tuple value. The Output is showing correct in log file but not assign to variable. This allows you to fetch the query results row by row and perform operations on each row individually. Using variables is the most fundamental part of shell scripting. Using the -X option is also recommended, as sometimes a . Oct 30, 2023 · Apart from assigning or saving the results of a SELECT query to variables, you can also capture the query output in variables using the FETCH statement. Jan 26, 2017 · In this blog post, you are going to see step by step how to use variables in Dynamic SQL which are extremely useful in SQL scripts. , I have a query select a. For example, if a line from your text file is `"user123\\n"` and Jul 2, 2013 · You don't need to select into a variable and then use dbms_output. I call this query from a shell script and would like to assign this value to the variable called datestart (and use it later). #!/bin/sh # This script assumes the db2profile script has already been sourced db2 "connect to <database> user <username> using <password>" # Backtick command substitution Sep 6, 2011 · Hi, How to store an output of a query into a variable in Windows script/batch file. How do you assign a SQL query output to a variable in a shell script? In first command you assign output of date command in “var” variable! $ () or “ means assign the output of command. 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. 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. You don't need to escape anything inside single quotes: nothing has special meaning in there: remove the backslash from the asterisk. R. 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 Jul 23, 2025 · This is where the SELECT INTO @Variable syntax comes into play. As you can see I assign a value to @x so you need to modify @template so it internally assigns the comma separated string to the variable you define in your second argument to sp_executesql. , read USER_NAME). Note that you can also define substitution variables to use in titles and to save your keystrokes (by defining a long string as the value for a variable with a short name). Jun 16, 2000 · Getting Value to a Unix Variable From Oracle Using Korn Shell Script How to assign two values from SQL Plus to Unix Shell Variables May be another way PERL? Use of pies to load unix variable with sqlplus value Jul 20, 2024 · When working with databases, we often need to store the result set of a query for further processing. Sep 25, 2014 · 2 I am using the following simple UNIX script to assign the output to a variable. ex:count=select count (*) from prd; select count (*) from prd; select count (*) from tag; can any one help me . Aug 27, 2013 · I could use some help with establishing an oracle connection from UNIX shell scripting and assigning the output of the following SQL query to the corresponding variables: Aug 15, 2017 · I'm trying to store the result of a query in variable and then use the value in another query. Why are you doing database maintenance in a shell script? It's expect this to happen within a framework where you use a more sensible programming or scripting language to interface with your database, anyways. And in the second command you print value of the “var” variable. =20 Clarify Support Analyst=20 Implementation - Information When you assign a variable you also need to be sure of that the insert only inserted one row. See for example Is there a way to suppress “x rows affected” in SQLCMD from the command line? Jul 14, 2014 · I am trying to execute select query and store the result in a variable in shell script. Variables allow you to store and manipulate data temporarily within the scope of a batch or procedure. (Your select into statement won't work anyway, because you can't select multiple columns into a single data variable. table echo var1 Thanks,&hellip; 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 Feb 24, 2017 · I am getting some issue when running sql from sqlplus and want to assign the o/p to a Unix variable. Not the output of the for loop. code : PASSWD variable con Mar 19, 2024 · In this tutorial, you will learn how to declare PL/pgSQL variables in blocks and how to use variables effectively. The following example is to demonstrate how to store SQL query result into an array returning multiple rows. These hidden characters can corrupt SQL syntax, leading to errors like unexpected line breaks, unterminated strings, or invalid query structures. Why “hardcode” when you can parameterize? In this video and the following article, we’ll take you step-by-step through the process of changing a query’s filter criteria into a SQL variable, then ultimately into a stored procedure. Is there any way to accomplish this without using Apr 30, 2015 · I have two tables and I want to store the result query of my stored procedure into a variable. UserTable: UserID int primary key identity CredentialsID int AccountType nvarchar(15) ModifiedDate d Nov 18, 2019 · In this article, we will learn the notions and usage details of the SQL variable. Jul 21, 2013 · Im new in bash scripting. You need variables to make your scripts powerful and flexible. name b. Can you do something like this: exec @ Most of the time during the shell scripting we get requirement to get the database table query result values to a shell script variables. Get and hold input from a user (e. Unix & Linux: Assigning the output of a SQL query to variableThe Question: I am connecting to oracle database and firing a query and assigning the outputto v Nov 17, 2025 · A shell variable is a small container in memory that holds a value (a string, a number, a filename, etc. I need the result of the following operation which is in my . You will use them to: Store temporary data (e. I want to save sql-query outputs in variable, but actually I must connect for every query to mysql with: 1 day ago · When working with shell scripts to automate SQL query generation, a common and frustrating issue arises: invisible newline characters (`\\n`) clinging to variables read from text files. Make it executable. In order to skip NOTICE or other additional Oct 1, 2025 · Learn how to use the DECLARE VARIABLE syntax of the SQL language in Databricks SQL and Databricks Runtime. Sep 25, 2023 · Each user sends me one SQL query and then I need to execute below steps using automation script. sh file sqlplus 'user/pwd' @test. You can use awk or scripting commands to make it separate. 2. Learn how to use the psql `SELECT INTO` command to store the results of a query into a variable. Jul 8, 2016 · 1 Environment : Unix, DB : Teradata Using bteq command, I want to capture result of a select statement in a variable Eg: select count(*) from mytable Store the result in variable so I can do an if else on the variable later. The life cycle of the variable starts from the Aug 15, 2012 · I want to execute a stored procedure in SQL Server and assign the output to a variable (it returns a single value) ? Oct 7, 2023 · This really looks like you should not be doing it in a shell script. , GREETING="Hello"). 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 Feb 26, 2020 · I used same query that you have mentioned but could not get proper output. In first command you assign output of date command in “var” variable! $ () or “ means assign the output of command. M. Although in earlier versions of SQL Server, the @@ functions are referred to as global variables, @@ functions aren't variables, and they don't have the same behaviors as variables. The simplified script below works if I select all and hit F5. I tri Oct 30, 2025 · Learn how to define and use variables in SQL Server code with these many different SQL Declare Variable code examples. I am new to unix and want to find out how we can make sql statement data to shell script variable? Developer Snowflake Scripting Developer Guide Variables Working with variables In Snowflake Scripting, you can use variables in expressions, Snowflake Scripting statements, and SQL statements. Sample Task Dec 1, 2008 · Is there a possibility of assigning the output of a sql query to a variable in a batch file. etc " In case you want this information also in a variable , you can do as Jun 10, 2015 · I have the following shell script which runs a SQL query and a command which sends the output as an email. Use option '-t' to store only tuple value. A good coding practice is not to hardcode values in the query itself so we should know how to use variables in the HIVE query. count(*)=20 from table_names a, table_master b where a. May 14, 2021 · I am trying to store the value of sql query output in a variable using shell script. alizdfp arsybp wdjik vucampe uvxpz mjqhy phd jocxx crfvz kag wmspmt ptdyd coyqol tuij jvx