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Intercept substitution of PostgreSQL string

2025-01-16 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >

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This article introduces the relevant knowledge of "PostgreSQL string interception and replacement". In the actual case operation process, many people will encounter such difficulties. Next, let Xiaobian lead you to learn how to deal with these situations! I hope you can read carefully and learn something!

initialize the database

CREATE TABLE public.t1

(

name text

)

name

-------

"David"

"Peter"

"Task 2016-09-10 10:09:00"

"Mission 2016-10-10 12:03:00"

"Mission 2016-12-22 14:10:00"

Replace records containing "Task" with "Job"

update t1 set name= 'Job'|| substring(name,3) where substring(name,position ('task ' in name),2)=' task';

select * from t1;

name

-------

"David"

"Peter"

"Job2016-09-10 10:09:00"

"Job2016-10-10 12:03:00"

"Job2016-12-22 14:10:00"

"PostgreSQL string interception replacement" content introduced here, thank you for reading. If you want to know more about industry-related knowledge, you can pay attention to the website. Xiaobian will output more high-quality practical articles for everyone!

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