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
PostgreSQL in Azure Data Studio
Learn how to install PostgreSQL and using Azure Data Studio to work with it.
2022-01-31
7,388 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
3,497 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
13,367 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
2,455 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
9,594 reads
PostgreSQL WHERE, ORDER BY, and GROUP BY Clauses
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
34,596 reads
Upgrade PostgreSQL 9.X to 12.X in Windows
Learn how you can upgrade a PostgreSQL server and ensure your databases follow to the new version.
2021-02-09
42,136 reads
Introduction to PostgreSQL Database on Amazon RDS
This article explains how to get started with PostgreSQL on AWS.
2020-12-15
1,730 reads
Blogs
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Forums
Adding and Dropping Columns II
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Leveraging DuckDB for OLAP Workloads: The Fabric Modern Data Platform
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More Documentation is Needed
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Question of the Day
Adding and Dropping Columns II
I have this table in my SQL Server 2022 database:
CREATE TABLE [dbo].[CityList] ( [CityNameID] [int] NOT NULL IDENTITY(1, 1), [CityName] [varchar] (30) , [Country2] [char] (3), [stateprovince2] [char] (2), [Country] [char] (3), [stateprovince] [char] ) ON [PRIMARY] GOI decide to drop the stateprovince2 and country2 columns. What code should I use? See possible answers
