Skip to main content
TopMiniSite

Back to all posts

How to Concat Two String In Postgresql Function?

Published on
2 min read
How to Concat Two String In Postgresql Function? image

Best PostgreSQL String Concatenation Tools to Buy in December 2025

1 PostgreSQL: A Practical Guide for Developers and Data Professionals

PostgreSQL: A Practical Guide for Developers and Data Professionals

BUY & SAVE
$5.99
PostgreSQL: A Practical Guide for Developers and Data Professionals
2 Full-Stack Web Development with TypeScript 5: Craft modern full-stack projects with Bun, PostgreSQL, Svelte, TypeScript, and OpenAI

Full-Stack Web Development with TypeScript 5: Craft modern full-stack projects with Bun, PostgreSQL, Svelte, TypeScript, and OpenAI

BUY & SAVE
$36.26
Full-Stack Web Development with TypeScript 5: Craft modern full-stack projects with Bun, PostgreSQL, Svelte, TypeScript, and OpenAI
3 Beginning PHP and PostgreSQL 8: From Novice to Professional (Beginning: From Novice to Professional)

Beginning PHP and PostgreSQL 8: From Novice to Professional (Beginning: From Novice to Professional)

  • AFFORDABLE PRICES FOR QUALITY PRE-LOVED READS.
  • THOROUGHLY INSPECTED FOR QUALITY AND ACCURACY.
  • ECO-FRIENDLY CHOICE: REDUCE WASTE WITH USED BOOKS.
BUY & SAVE
$35.25 $49.99
Save 29%
Beginning PHP and PostgreSQL 8: From Novice to Professional (Beginning: From Novice to Professional)
4 Procedural Programming with PostgreSQL PL/pgSQL: Design Complex Database-Centric Applications with PL/pgSQL

Procedural Programming with PostgreSQL PL/pgSQL: Design Complex Database-Centric Applications with PL/pgSQL

BUY & SAVE
$47.40
Procedural Programming with PostgreSQL PL/pgSQL: Design Complex Database-Centric Applications with PL/pgSQL
5 SQL Hacks: Tips & Tools for Digging Into Your Data

SQL Hacks: Tips & Tools for Digging Into Your Data

  • AFFORDABLE PRICING FOR QUALITY READS WITHOUT BREAKING THE BANK.
  • ECO-FRIENDLY CHOICE: SUPPORT RECYCLING AND REDUCE WASTE TODAY!
  • ACCESS UNIQUE TITLES AND HIDDEN GEMS UNAVAILABLE ELSEWHERE.
BUY & SAVE
$26.93 $29.99
Save 10%
SQL Hacks: Tips & Tools for Digging Into Your Data
6 PostgreSQL for Python Web Development with Flask: A Practical Guide to Building Database-Driven Web Applications

PostgreSQL for Python Web Development with Flask: A Practical Guide to Building Database-Driven Web Applications

BUY & SAVE
$7.99
PostgreSQL for Python Web Development with Flask: A Practical Guide to Building Database-Driven Web Applications
7 DEUOTION T-post Clips Tool, Fixing Fence Clip and Wire Steel Bender T-post Handheld Twisting Tool, Multi Functional Bender

DEUOTION T-post Clips Tool, Fixing Fence Clip and Wire Steel Bender T-post Handheld Twisting Tool, Multi Functional Bender

  • RAPIDLY SECURE T-POST CLIPS, SAVING TIME ON FENCE PROJECTS!

  • EASY TO USE AND PORTABLE FOR BOTH PROS AND DIYERS.

  • DURABLE STEEL CONSTRUCTION ENSURES LONG-LASTING RELIABILITY.

BUY & SAVE
$19.25
DEUOTION T-post Clips Tool, Fixing Fence Clip and Wire Steel Bender T-post Handheld Twisting Tool, Multi Functional Bender
8 Beginning PostgreSQL on the Cloud: Simplifying Database as a Service on Cloud Platforms

Beginning PostgreSQL on the Cloud: Simplifying Database as a Service on Cloud Platforms

BUY & SAVE
$42.25
Beginning PostgreSQL on the Cloud: Simplifying Database as a Service on Cloud Platforms
9 Lind Kitchen 2PCS High-tensile Wire Tool Twisting Too Fencing Tool Wire Twister Multi-Functional Bender for Fixing Fence Wire and Wire Clip

Lind Kitchen 2PCS High-tensile Wire Tool Twisting Too Fencing Tool Wire Twister Multi-Functional Bender for Fixing Fence Wire and Wire Clip

  • DURABLE STEEL DESIGN PREVENTS RUST, ENSURING LONG-LASTING USE.

  • VERSATILE HOLE SIZES STREAMLINE WIRE HANDLING, REDUCING HAND FATIGUE.

  • COMPACT SIZE MAKES IT EASY TO CARRY FOR ALL YOUR FENCING NEEDS.

BUY & SAVE
Lind Kitchen 2PCS High-tensile Wire Tool Twisting Too Fencing Tool Wire Twister Multi-Functional Bender for Fixing Fence Wire and Wire Clip
10 Building Modern Business Applications: Reactive Cloud Architecture for Java, Spring, and PostgreSQL

Building Modern Business Applications: Reactive Cloud Architecture for Java, Spring, and PostgreSQL

BUY & SAVE
$41.11 $54.99
Save 25%
Building Modern Business Applications: Reactive Cloud Architecture for Java, Spring, and PostgreSQL
+
ONE MORE?

To concatenate two strings in a PostgreSQL function, you can simply use the concatenate operator (||). For example, you can create a function like this:

CREATE OR REPLACE FUNCTION concat_strings(str1 text, str2 text) RETURNS text AS $$ BEGIN RETURN str1 || str2; END; $$ LANGUAGE plpgsql;

This function takes two text parameters (str1 and str2) and returns the concatenated string of the two input strings. You can then call this function with the two strings you want to concatenate as arguments.

SELECT concat_strings('Hello, ', 'World!');

This will return 'Hello, World!', which is the result of concatenating the two input strings.

What is the correct way to concatenate strings with spaces in PostgreSQL?

In PostgreSQL, you can concatenate strings with spaces using the || operator. Here is the correct way to concatenate strings with spaces in PostgreSQL:

SELECT 'Hello' || ' ' || 'World';

This will output: Hello World

What is the output of using the CONCAT_WS function for string concatenation in PostgreSQL?

The output of using the CONCAT_WS function in PostgreSQL is a string where the specified separator is added between each argument that is concatenated.

For example, if you use the CONCAT_WS function like this:

CONCAT_WS('-', 'John', 'Doe', '123 Main Street')

The output will be:

John-Doe-123 Main Street

How to concatenate strings with a generated sequence in a PostgreSQL function?

To concatenate strings with a generated sequence in a PostgreSQL function, you can use the || operator to concatenate the strings and the [generate_series](https://myblogfrog.zoho.to/blog/how-to-create-generate_series-function-in) function to generate a sequence of numbers.

Here's an example of how you can concatenate strings with a generated sequence in a PostgreSQL function:

CREATE OR REPLACE FUNCTION generate_strings_with_sequence(start_num integer, end_num integer) RETURNS text AS $$ DECLARE result text; BEGIN SELECT string_agg('String ' || generate_series(start_num, end_num)::text, ', ') INTO result;

RETURN result;

END; $$ LANGUAGE plpgsql;

SELECT generate_strings_with_sequence(1, 5);

In this example, the generate_strings_with_sequence function takes two parameters start_num and end_num which specify the start and end of the sequence. The function uses the generate_series function to generate a sequence of numbers from start_num to end_num and then concatenates each number with the string 'String ' using the || operator. Finally, the string_agg function is used to concatenate the resulting strings with a comma separator.

You can then call the generate_strings_with_sequence function with the desired start and end numbers to concatenate strings with a generated sequence.