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How to Rename Databases in PostgreSQL

To rename a database in Postgres, use the ALTER DATABASE statement with the RENAME TO clause. Also, you can use pgAdmin to rename a database manually.

A Comprehensive Guide on psql Meta-Commands

The meta-commands are the commands offered by psql to perform certain operations. These commands start with the backslash.

A Comprehensive Guide on PostgreSQL SCHEMA

Postgres offers various built-in commands, such as CREATE SCHEMA, ALTER SCHEMA, and DROP SCHEMA, to create, modify, and drop the Postgres schemas.

Comparison Operators in PostgreSQL

PostgreSQL offers a wide range of comparison operators, including basic and advanced ones, such as =, <, <>, BETWEEN, IN, etc.

PostgreSQL INTEGER Data Type With Examples

In PostgreSQL, the INTEGER data type facilitates the user to store the numerical data between the range of -2,147,483,648 to +2,147,483,647 numbers.

How to Create PostgreSQL Tables With psql and pgAdmin

In PostgreSQL, a table is used to organize the complex, detailed, and unordered data. A table can be created using the "CREATE TABLE" statement.

PostgreSQL JSON Data: How it Works

The JSON data type in Postgres stores the data in the form of key-value pairs. To create a table’s column with JSON data type, you can specify the column’s name followed by the “JSON” data type.

Understanding PostgreSQL Arrays

PostgreSQL allows us to define a table’s column as an array of any built-in data type, user-defined data type, or enumerated data type.


Postgres doesn’t support the “IF NOT EXISTS” option for the CREATE DATABASE command. To achieve the functionality of the “IF NOT EXISTS” option, a subquery can be used in Postgres.

PostgreSQL Data Types Explained

PostgreSQL provides a wide range of data types, such as textual, numeric, and temporal, for efficient data storage and manipulation.