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SUMMARY: This article reviews the differences between stored procedures and functions in Postgres and the types of functionality they provide. Topics covered with examples include:
1. Stored...
TOAST stands for The Oversized-Attribute Storage Technique.
EDB Postgres and PostgreSQL use a fixed page size (commonly 8 KB), and does not allow tuples to span multiple pages. Therefore, it...
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SUMMARY: This article discusses the conditional expressions GREATEST and LEAST in PostgreSQL and gives some examples of their usage.
1. GREATEST
2. LEAST
In this post...
So, you’ve installed your Postgres database, whether Community Edition, EDB Postgres Advanced Server or one of many other cloud, container, or Database as a Service offerings out there. Now what...
This article provides instructions for adding the PostgreSQL JDBC driver to a Java project using Maven.
Introduction
Why do we need PostgreSQL drivers?
What is Maven?
PostgreSQL JDBC driver and...
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This article looks at how the ctid field in PostgreSQL functions as an approximate equivalent to ROWID in Oracle databases. The ctid field is introduced and...
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SUMMARY: This article introduces MATERIALIZED VIEW in PostgreSQL and discusses its functionality with examples. Topics covered include:
1. VIEW v. MATERIALIZED VIEW
2...
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SUMMARY: This article explains how to connect to a Postgres database using the Eclipse and Netbeans IDEs. It first defines what an Integrated Development Environment (IDE) is...
While the SQL standard allows multiple nulls in a unique column, and that is how Postgres behaves, some database systems (e.g. MS SQL) allow only a single null in...
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SUMMARY: This article reviews the steps necessary for connecting to a PostgreSQL database using PHP.
1. Installing PHP
2. Connecting to the PostgreSQL from PHP
...
