This article explained how to get/check the table structure in PostgreSQL. How to Get/Check Table Structure in Postgres? In PostgreSQL, various methods are used to check the table’s structure. The following methods will be discussed to determine the table’s structure in Postgres: - Method 1...
In PostgreSQL, built-in functions like pg_database_size(), and pg_relation_size() are used to get the database and table size respectively. The pg_size_pretty() function can be used with the collaboration of the pg_database_size(), pg_relation_size() to present the database/table si...
You have a table address and want to check if there’s already a row with address_id = 100 existing. You can use COUNT to check: SELECT COUNT(*) FROM address WHERE address_id = 100; But if you are looking for a faster query with a yes/no answer: SELECT EXISTS(SELECT 1 FROM ...
A single PostgreSQL server can contain many databases. Let’s explore three different approaches to list databases in PostgreSQL!
PostgreSQL Howtos How to Delete All Table Rows in … Bilal ShahidFeb 02, 2024 PostgreSQLPostgreSQL Table Current Time0:00 / Duration-:- Loaded:0% The problem at hand is deleting all the rows, or tuples, from a table but not deleting the table itself. This means that all the data from...
Table of Contents 01 Why Is PostgreSQL Storage Optimization Important? 02 Essential PostgreSQL Storage Concepts 03 How To Reduce Your PostgreSQL Database Size 04 Wrap-Up Your phone buzzes in the middle of the night. You pick it up. A monitor went off at work—your PostgreSQL ...
Basic SELECT Query to Retrieve Tables Inside INFORMATION_SCHEMA in PostgreSQLA very simple query to get all the tables inside this SCHEMA would be to write something like this.select * from information_schema.tables This would return a table like this.Output:...
SUMMARY: This article discusses table partitions, the benefits of using them to increase performance, and the types of partitions that can be used in PostgreSQL. With huge data being stored in databases, performance and scaling are two main factors that are affected. As table size increases with...
The CREATE TABLE syntax and usage We are using CREATE TABLE statement to create a table in the PostgreSQL database. Following is the syntax to create a new table. 1 2 3 4 5 6 7 CREATETABLE[IFNOTEXISTS]table_name( Col_name_1datatype(length), ...
This article discusses table partitions, the benefits of using them to increase performance, and the types of partitions that can be used in PostgreSQL. 1. Benefits of partitioning 2. When to use partitioning 3. How to use partitioning