My operating system is Linux. I am going to connect Superset to PostgreSQL. PostgreSQL port is open and its value is 5432. PostgreSQL is also running and not closed. Unfortunately, after a day of research on the Internet, I could…
I have created two tables and populated them: CREATE TABLE FirstTab ( id integer, name VARCHAR(10) ); INSERT INTO FirstTab VALUES (5,'Pawan'), (6,'Sharlee'), (7,'Krish'), (NULL,'Avtaar'); CREATE TABLE SecondTab ( id integer ); INSERT INTO SecondTab VALUES (5), (NULL); I am…
I want to implement the below query Select * from table1 where a in(select a,b,c,d,e from table2 order by date desc limit 5) But IN statement is allowing only 1 column.
I use PostgreSQL 14 to manage a table which stores updates to a table of medics: users can update the first name, last name, and or/ the age of the medic. A field which was not touched by an update…
I have a table of email addresses: CREATE TABLE contacts( email VARCHAR(255) ) INSERT INTO contacts VALUES ('[email protected]'), ('[email protected]'), ('[email protected]'); How can I find and replace the email format so [email protected] -> [email protected]? E.g: UPDATE contacts SET email = REGEXP_REPLACE(email,…
I run a simple select * query that returns an output like this: [{ "polarity": "0.0", "magnitude": "2.0", "score": "0.5", "entities": [{ "name": "Taubenkot", "type": "OTHER", "mid": "", "wikipediaUrl": "", "numMentions": "1", "avgSalience": "0.150263" }, { "name": "Lösung", "type": "OTHER",…
I am trying to extract the month from the the Order_date column by using postgres SQL , and the format is required to come in the name of the month format ;for example, December. When I applied the extract function…
My previous question was not understood well, so I reformulated it here. Having this as the source table: CREATE TABLE response (response_id INT, utime INT, question_id INT, response VARCHAR(500)) INSERT INTO response (response_id, utime, question_id, response) VALUES (5,1459542506,11,1),(5,1459542506,12,0),(5,1459542506,13,0), (5,1459542506,14,0),(5,1459542506,15,0),(7,1458210291,11,0),(7,1458210291,12,1), (7,1458210291,13,1),(7,1458210291,14,0),(7,1458216077,15,1),(10,1458212391,11,1),…
I have a table id user_id created_at status 1 100 2022-12-13 00:12:12 IN_TRANSIT 2 104 2022-12-13 01:12:12 IN_TRANSIT 3 100 2022-12-13 02:12:12 DONE 4 100 2022-12-13 03:12:12 IN_TRANSIT 5 104 2022-12-13 04:12:12 DONE 6 100 2022-12-13 05:12:12 DONE 7 104…
The following function identifies columns with null values. How can I extend the where clause to check null or empty value? coalesce(TRIM(string), '') = '' CREATE OR REPLACE FUNCTION public.is_column_empty(IN table_name varchar, IN column_name varchar) RETURNS bool LANGUAGE plpgsql AS…