Visiting The Catalog - PostgreSQL
Introduction
Exploring The Catalog
The Information Schema
Some usages
Wrap Up
Visiting The Catalog
A Stroll Through The PostgreSQL Catalog
Charles Clavadetscher
Swiss PostgreSQL Users Group
Nordic PGDay 2019, 19.03.2019, Copenhagen, Denmark
Charles Clavadetscher Visiting The Catalog
Swiss PostgreSQL Users Group 1/51
Introduction
Outline
Exploring The Catalog
The Information Schema
Some usages
Wrap Up
1 Introduction 2 Exploring The Catalog 3 The Information Schema 4 Some usages 5 Wrap Up
Charles Clavadetscher Visiting The Catalog
Swiss PostgreSQL Users Group 2/51
Introduction
Exploring The Catalog
In Short About Me
The Information Schema
Some usages
Wrap Up
Senior DB Engineer at KOF ETH Zurich
KOF is the Center of Economic Research of the ETHZ the Swiss Institute of Technology in Zurich, Switzerland Independent economic research on business cycle tendencies for almost all sectors Maintenance of all databases at KOF: PostgreSQL, Oracle, MySQL and MSSQL Server. Focus on migrating to PostgreSQL Support in business process re-engineering
Co-founder and treasurer of the SwissPUG, the Swiss PostgreSQL Users Group
Member of the board of the Swiss PGDay
Charles Clavadetscher Visiting The Catalog
Swiss PostgreSQL Users Group 3/51
Introduction
Outline
Exploring The Catalog
The Information Schema
Some usages
Wrap Up
1 Introduction 2 Exploring The Catalog 3 The Information Schema 4 Some usages 5 Wrap Up
Charles Clavadetscher Visiting The Catalog
Swiss PostgreSQL Users Group 4/51
Introduction
Exploring The Catalog
Introduction
PostgreSQL: The Catalog
The Information Schema
Some usages
Wrap Up
What Are The Catalog And The Information Schema ?
Source: Wikipedia -
The database catalog of a database instance consists of metadata in which definitions of database objects such as base tables, views (virtual tables), synonyms, value ranges, indexes, users, and user groups are stored.
The SQL standard specifies a uniform means to access the catalog, called the INFORMATION_SCHEMA, but not all databases follow this, even if they implement other aspects of the SQL standard. For an example of database-specific metadata access methods, see Oracle metadata.
Charles Clavadetscher Visiting The Catalog
Swiss PostgreSQL Users Group 5/51
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