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  • Book Overview & Buying PostgreSQL for Data Architects
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PostgreSQL for Data Architects

PostgreSQL for Data Architects

By : Jayadevan M
5 (2)
Buy this Book
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PostgreSQL for Data Architects

PostgreSQL for Data Architects

5 (2)
By: Jayadevan M
Buy this Book

Overview of this book

This book is for developers and data architects who have some exposure to databases. It is assumed that you understand the basic concepts of tables and common database objects, including privileges and security.
Table of Contents (14 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Installing PostgreSQL
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1. Installing PostgreSQL
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Installation options
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Dependencies to compile the source
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Configuring and creating the makefile
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Building and creating the executables
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Installing and moving the files to where they belong
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Initializing a cluster
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Working with extensions
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Summary
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2. Server Architecture
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2. Server Architecture
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Starting with the daemon process
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Understanding the shared buffer
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Checkpoint
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WAL and the WAL writer process
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The background writer
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The autovacuum launcher process
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The logging process
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The stats collector process
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The WAL sender and WAL receiver
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Sorting in memory with work_mem
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Maintenance with maintenance_work_mem
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Summary
3
3. PostgreSQL – Object Hierarchy and Roles
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3. PostgreSQL – Object Hierarchy and Roles
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The PostgreSQL cluster
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Understanding tablespaces
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Databases, schemas, and search_path
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Roles and privileges
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Summary
4
4. Working with Transactions
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4. Working with Transactions
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Understanding transactions
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PostgreSQL and MVCC
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Summary
5
5. Data Modeling with SQL Power Architect
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5. Data Modeling with SQL Power Architect
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Tools for databases and their uses
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Database design tools
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Generating SQL
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Summary
6
6. Client Tools
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6. Client Tools
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GUI tools and command-line tools
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pgAdmin – downloading and installation
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psql – working from the command line
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Summary
7
7. SQL Tuning
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7. SQL Tuning
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Understanding basic facts about databases
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Query execution components
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Finding the execution plan
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Optimization guidelines and catches
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Summary
8
8. Server Tuning
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8. Server Tuning
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Server-wide memory settings
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Managing writes, connections, and maintenance
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Seek/scan cost and statistics parameters
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Materialized views
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Partitioned tables
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Summary
9
9. Tools to Move Data in and out of PostgreSQL
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9. Tools to Move Data in and out of PostgreSQL
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Setting up the production database – considerations
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COPY
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Fast loading with pg_bulkload
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pg_dump
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Filtering options
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Summary
10
10. Scaling, Replication, and Backup and Recovery
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10. Scaling, Replication, and Backup and Recovery
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Scalability
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Point-in-time recovery
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Summary
11
11. PostgreSQL – Troubleshooting
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11. PostgreSQL – Troubleshooting
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Connection issues
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Authentication and permission issues
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Parameter changes not effective
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Query not responding
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Summary
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12. PostgreSQL – Extras
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12. PostgreSQL – Extras
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Interesting data types
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Features over time
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Summary
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Index
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Index

psql – working from the command line

psql is a very powerful command-line tool and is superior to similar utilities available with other databases. For example, if we are not sure about the name of a table (did I name it emp, employee, or employees?), the only option available in Oracle's SQL* Plus is to query a data dictionary view (such as user_tables or tab) with a LIKE filter. In psql, we can just type \dt e and hit Tab twice to get the list of tables starting with e. In short, psql supports tab completion—a nifty feature that is a great productivity booster. Now that it sounds interesting, let's look at more.

psql – connection options

The psql --help command lists all possible options that can be used with psql. We might want to use psql to execute a command, or to connect to a database and remain at the psql prompt to carry out many activities, execute queries, describe tables, create users, alter objects, and so on. Either way, psql needs to know:

  • the host on which the PostgreSQL cluster...

CONTINUE READING
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Tech Concepts
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Programming languages
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PostgreSQL for Data Architects
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