Data Types in PostgreSQL: Learning PostgreSQL with Grant
PostgreSQL has an unusually large number of data types. Grant Fritchey reviews each data type and discusses the good and bad points of each.
2022-03-30
PostgreSQL
How to back up and restore in PostgreSQL: Learning PostgreSQL with Grant
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
PostgreSQL in Azure using the Azure Data Studio Extension
Learn how to create a PostgreSQL database and work with it from Azure Data Studio.
2022-02-07
3,092 reads
Creating a Database and Tables in PostgreSQL: Learning PostgreSQL with Grant
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
PostgreSQL in Azure Data Studio
Learn how to install PostgreSQL and using Azure Data Studio to work with it.
2022-01-31
7,406 reads
Connecting to PostgreSQL: Learning PostgreSQL with Grant
Database professionals often work with more than one database platform. Grant Fritchey explains setting up and connecting to PostgreSQL database.
2021-12-17
PostgreSQL Date And Time Part 2
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
3,514 reads
Array and Custom Data Types in PostgreSQL
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
13,374 reads
PostgreSQL Date And Time Part 1
This article shows the basics of using the age, and current date/time functions in PostgreSQL.
2021-08-09
2,464 reads
Getting a Query Execution Plan in PostgreSQL
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
9,662 reads
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Question of the Day
An Unusual Identity
What values are returned when I run this code?
CREATE TABLE dbo.IdentityTest2
(
id NUMERIC(10,0) IDENTITY(10,10) PRIMARY KEY,
somevalue VARCHAR(20)
)
GO
INSERT dbo.IdentityTest2
(
somevalue
)
VALUES
( 'Steve')
, ('Bill')
GO
SELECT top 10
id
FROM dbo.IdentityTest2 See possible answers