LKBEN11376: Howto test if a certain table is present in a postgres database
LKB | Created: 02/04/2020 | Version: 0 | Language: EN | Rating: 0 | Outdated: False | Marked for deletion: False
Author: Wim Peeters - Keskon GmbH & Co. KG
Symptom
You need to know the presence of a certain database table
Cause
Sometimes you just need to know.
Solution
To test if a table is present in database you can use the following sql query.
SELECT TRUE
FROM information_schema.tables
WHERE table_name = TABLE AND
table_schema = SCHEMA
This query is portable on database systems supporting the information schema defacto standard.
For more information take a look at the following link:
http://www.postgresql.org/docs/8.3/static/information-schema.html
About the Author
Wim Peeters is electronics engineer with an additional master in IT and over 30 years of experience including time spent in support, development, consulting, training and database administration. Wim has worked with SQL Server since version 6.5. He has developed in C/C++, Java and C# on Windows and Linux in different European countries and different European languages. He writes knowledge base articles to solve IT problems and publishes them on the Lubby Knowledge Platform where he is one of the most important contributors and the main developer.