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 October 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 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 USED BOOKS IN GOOD CONDITION.
  • ECO-FRIENDLY CHOICE: REDUCE WASTE BY PURCHASING USED BOOKS.
  • UNIQUE FINDS: DISCOVER RARE AND OUT-OF-PRINT TITLES EASILY!
BUY & SAVE
$35.25 $49.99
Save 29%
Beginning PHP and PostgreSQL 8: From Novice to Professional (Beginning: From Novice to Professional)
3 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
$46.40
Procedural Programming with PostgreSQL PL/pgSQL: Design Complex Database-Centric Applications with PL/pgSQL
4 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
5 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
6 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
$42.17
Beginning PostgreSQL on the Cloud: Simplifying Database as a Service on Cloud Platforms
7 groword T-post Clips Tool 2025 New, Fixing Fence Clip and Wire Steel Bender T-post Handheld Twisting Tool, Multi Functional Bender

groword T-post Clips Tool 2025 New, Fixing Fence Clip and Wire Steel Bender T-post Handheld Twisting Tool, Multi Functional Bender

  • EFFORTLESS INSTALLATION: QUICKLY TWIST AND SECURE T-POST CLIPS WITH EASE.

  • DURABLE DESIGN: HIGH-QUALITY STEEL ENSURES LONG-LASTING OUTDOOR USE.

  • COMFORTABLE HANDLING: SOFT GRIP PREVENTS SLIPPAGE AND REDUCES HAND FATIGUE.

BUY & SAVE
$16.99
groword T-post Clips Tool 2025 New, Fixing Fence Clip and Wire Steel Bender T-post Handheld Twisting Tool, Multi Functional Bender
8 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 INSTALLATIONS.
  • USER-FRIENDLY HANDHELD DESIGN FOR PROS AND DIYERS ALIKE.
  • DURABLE STEEL CONSTRUCTION FOR RELIABLE OUTDOOR PERFORMANCE.
BUY & SAVE
$16.99
DEUOTION T-post Clips Tool, Fixing Fence Clip and Wire Steel Bender T-post Handheld Twisting Tool, Multi Functional Bender
9 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
$37.12 $54.99
Save 32%
Building Modern Business Applications: Reactive Cloud Architecture for Java, Spring, and PostgreSQL
10 Zareba Wire Twisting Tool - High Tensile Twisting Tool for Electric Fencing - Use up to 8 Gauge Wire - HTTT

Zareba Wire Twisting Tool - High Tensile Twisting Tool for Electric Fencing - Use up to 8 Gauge Wire - HTTT

  • TWIST UP TO 8-GAUGE WIRE EASILY WITH OUR ZAREBA TOOL!
  • NO PLIERS NEEDED-TWISTS HIGH TENSILE WIRE WITH EASE!
  • CONVENIENT SINGLE TOOL PER PACKAGE FOR HASSLE-FREE USE!
BUY & SAVE
$4.99
Zareba Wire Twisting Tool - High Tensile Twisting Tool for Electric Fencing - Use up to 8 Gauge Wire - HTTT
+
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.