postgresql Archives - Page 8 of 21

How to thoroughly purge and reinstall postgresql on ubuntu? [closed]

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May 23, 2022
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How do I ALTER a PostgreSQL table and make a column unique?

I have a table in PostgreSQL where the schema looks like this: CREATE TABLE "foo_table" ( "id" serial NOT NULL PRIMARY KEY, "permalink" ...

May 23, 2022
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Why do we need message brokers like RabbitMQ over a database like PostgreSQL?

I am new to message brokers like RabbitMQ which we can use to create tasks / message queues for a scheduling system like ...

May 23, 2022
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Best way to check for “empty or null value”

What is best way to check if value is null or empty string in Postgres sql statements? Value can be long expression so ...

May 23, 2022
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List all tables in postgresql information_schema

What is the best way to list all of the tables within PostgreSQL’s information_schema? To clarify: I am working with an empty DB ...

May 22, 2022
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PostgreSQL naming conventions

Where can I find a detailed manual about PostgreSQL naming conventions? (table names vs. camel case, sequences, primary keys, constraints, indexes, etc…) 2 ...

May 22, 2022
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PostgreSQL Crosstab Query

Does any one know how to create crosstab queries in PostgreSQL? For example I have the following table: Section Status Count A Active ...

May 22, 2022
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Check if value exists in Postgres array

Using Postgres 9.0, I need a way to test if a value exists in a given array. So far I came up with ...

May 22, 2022
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Library not loaded: /usr/local/opt/readline/lib/libreadline.6.2.dylib

I just installed posgresql with homebrew and when I go on to type the command psql I get the following error: dyld: Library ...

May 22, 2022
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Export specific rows from a PostgreSQL table as INSERT SQL script

I have a database schema named: nyummy and a table named cimory: create table nyummy.cimory ( id numeric(10,0) not null, name character varying(60) ...

May 22, 2022
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