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SUMMARY: This article reviews methods for handling NULL values in PostgreSQL using the COALESCE function. Topics discussed with examples include:
1. What is a COALESCE Function?
...
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SUMMARY: This article reviews stored procedures in PSQL. It defines a stored procedure and describes the differences between procedures and functions, how they are created in different...
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SUMMARY: This article covers how to install PostgreSQL on Ubuntu Server for Linux. It goes over four steps for installation:
1...
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SUMMARY: This article covers how to create user-defined functions using PL/pgSQL procedural language in PostgreSQL. It introduces user-defined functions and gives examples of their use in different...
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SUMMARY: This article covers how stored procedures can make use of variables to be more functional and useful. After defining PL/pgSQL, stored procedures, and variables, it provides...
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Table of Contents
1. What Is PostgreSQL Replication?
2. What Is Automatic Failover in PostgreSQL?
3. High Availability and Failover Replication
4. Why Use PostgreSQL Replication? ...
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SUMMARY: This article covers PostgreSQL transactions. It defines the required keywords within the transaction syntax, explains the safeguards transactions provide in case of error and other benefits...
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SUMMARY: This article discussed triggers in PostgreSQL. It describes the different types of triggers and provides examples for each:
1. Types of Triggers
2. Creating a Trigger...
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SUMMARY: This article discusses the RAISE command for reporting errors, warnings, and other report messages within stored procedures and functions...
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SUMMARY: This article provides instructions for installing PostgreSQL on the Mac operating system. It covers the following steps:
1. Downloading the installer
2. Launching the installation...
