You can perform PostgreSQL backups with the pg_dump command. In this article, Grant Fritchey explains how to back up and restore with the pg_dump and pg_restore utilities.
2022-03-04
Learn how to create a PostgreSQL database and work with it from Azure Data Studio.
2022-02-07
3,086 reads
The syntax for creating databases and tables in PostgreSQL is similar to other RDBMS. In this article, Grant Fritchey shows how to create databases and tables.
2022-01-31
Learn how to install PostgreSQL and using Azure Data Studio to work with it.
2022-01-31
7,395 reads
Database professionals often work with more than one database platform. Grant Fritchey explains setting up and connecting to PostgreSQL database.
2021-12-17
In the second part of this PostgreSQL date time series, we examine a number of commonly used functions for getting current dates and times and converting strings to dates and times.
2021-09-22
3,502 reads
Introduction Just like every other database, PostgreSQL has its own set of basic datatypes, like Boolean, Varchar, Text, Date, Time, etc. We can easily store data like numbers, characters, date, time, etc. using these supported datatypes, but what if we need to store multiple data elements in a single column? Suppose we are storing the […]
2021-09-10
13,369 reads
This article shows the basics of using the age, and current date/time functions in PostgreSQL.
2021-08-09
2,460 reads
Introduction You often need to check the performance of a PostgreSQL query you just wrote to look for some way to improve performance. In order to do this, you need a report of the query execution, which is called the execution plan). The query execution plan gives you the entire summary of the query execution […]
2021-03-18
9,617 reads
Overview A database clause is a conditional statement used to filter data from the database. There are various database clauses available in PostgreSQL, like Where, Order By, Group By, Having, Distinct, Limit, Fetch. In this first chapter of the tutorial we will cover Where, Order By, Group By clauses with suitable example. WHERE Clause The […]
2021-03-11
34,645 reads
By Vinay Thakur
Continuing from Day 3 where we covered LLM models open/closed and their parameters, Today...
By Steve Jones
One of the nice things about Flyway Desktop is that it helps you manage...
By HeyMo0sh
Microsoft Fabric (not to be confused with the more general term “fabric” in DevOps)...
I'm fairly certain I know the answer to this from digging into it yesterday,...
Hi Team, I am trying to refresh the Azure Synapse Dedicated pool from production...
hi everyone I am not sure how to write the query that will produce...
I have some data in a table:
CREATE TABLE #test_data
(
id INT PRIMARY KEY,
name VARCHAR(100),
birth_date DATE
);
-- Step 2: Insert rows
INSERT INTO #test_data
VALUES
(1, 'Olivia', '2025-01-05'),
(2, 'Emma', '2025-03-02'),
(3, 'Liam', '2025-11-15'),
(4, 'Noah', '2025-12-22');
If I run this query, how many rows are returned?
SELECT *
FROM OPENJSON(
(
SELECT t.* FROM #test_data AS t FOR JSON PATH
)
) t; See possible answers