Contents
What is Postgres contrib?
Contributed Extensions and Additions to PostgreSQL. PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, and user-defined types and functions.
What is contrib package?
Django aims to follow Python’s “batteries included” philosophy. It ships with a variety of extra, optional tools that solve common Web-development problems. This code lives in django/contrib in the Django distribution. redirects’ ) to your INSTALLED_APPS setting and re-run manage.py migrate . …
What is Pgcrypto in Postgres?
The pgcrypto module is a cryptographic extension that provides a number of hashing and cryptographic functions using MD5, SHA, HMAC, AES, BLOWFISH, PGP, and CRYPT, as well as DES and 3DES if your community version of PostgreSQL was compiled with OpenSSL support — as is the case with FUJITSU Enterprise Postgres.
What happens when PG Stat statements are loaded?
When pg_stat_statements is loaded, it tracks statistics across all databases of the server. To access and manipulate these statistics, the module provides a view, pg_stat_statements, and the utility functions pg_stat_statements_reset and pg_stat_statements.
Where do I find the statistics in PostgreSQL?
The statistics gathered by the module are made available via a system view named pg_stat_statements. This view contains one row for each distinct database ID, user ID and query ID (up to the maximum number of distinct statements that the module can track).
When to combine plannable queries into PG Stat statements?
Plannable queries (that is, SELECT, INSERT, UPDATE, and DELETE) are combined into a single pg_stat_statements entry whenever they have identical query structures according to an internal hash calculation.
What is the total number of shared blocks written by the statement?
Total number of shared blocks written by the statement Total number of local block cache hits by the statement Total number of local blocks dirtied by the statement Total number of local blocks written by the statement Total number of temp blocks written by the statement