If I have two tables table A and table B, for a given name, how can I get the latest for table A only if it's newer than the latest date in table B or the name does not exist…
I have a column 'zips' with type 'text' in the table parcels. User can fill either a single zip code, OR multiple comma separated zips, OR a range of zips separated by a hyphon. Examples of possible datas are. '10001'…
I am currently working with Postgresql and I am facing a problem. I have two tables "question" and "question_detail" in which there are codes. In "question_detail" are the codes including subcode so e.g. TB01Q07, TB01Q07a, TB01Q08_SQ002. Now I wanted to…
I have a table in postgresql table which contains IN / OUT timestamp of several employees. I want to derive a table with IN and OUT timestamp of the day for each employee in same rows with null value if…
I have this PostgreSQL table for storing words: CREATE TABLE IF NOT EXISTS words ( id bigint NOT NULL DEFAULT nextval('processed_words_id_seq'::regclass), keyword character varying(300) COLLATE pg_catalog."default", ); insert into words (keyword) VALUES ('while swam is interesting'); CREATE TABLE IF NOT…
I have data in Telephone table, something as below: ID area exch line ext tel_type_cde tel_seq_num modified_dttm 1234 482 876 789 1234 0 0 01-01-2023 1234 483 877 123 0 1 01-02-2023 1234 123 234 456 1234 1 0 01-01-2023…
I am trying to work out how an auto increment key is represented in Postgres, depending on whether you create it using the SERIAL type or using an IDENTITY. When I create a table with a SERIAL primary key using…
I'm trying to create a query using Pycopg2's SQL String Composition which in I need to use a curly brackets inside my query to update a key value in a jsonb column. Something like this: update myschema.users set data =…
I have two models, Business and Employee: from django.db import models class Business(models.Model): name = models.CharField(max_length=150) # ... class Employee(models.Model): business = models.ForeignKey( Business, related_name="employees", on_delete=models.CASCADE, ) name = models.CharField(max_length=150) # ... Here's a sample data: Business.objects.create(name="first company") Business.objects.create(name="second company")…
I'm trying to come up with a function to verify the object identifier name. Like in Oracle, if a given identifier associated with any sql object (tables, functions, views,... ) It returns the name as it is else error out.…