Freeship tutorials1/22/2024 ) Code language: SQL (Structured Query Language) ( sql ) We use the INSERT statement to insert data into the hstore column as follows: INSERT INTO books (title, attr) ) Code language: SQL (Structured Query Language) ( sql ) Insert data into PostgreSQL hstore column We use the CREATE TABLE statement to create the books table as follows: CREATE TABLE books ( The data type of the attr column is hstore. attr stores attributes of the book such as ISBN, weight, and paperback.id is the primary key that identifies the book.We create a table named books that has three columns: CREATE EXTENSION hstore Code language: SQL (Structured Query Language) ( sql ) Create a table with hstore data type Enable PostgreSQL hstore extensionīefore working with the hstore data type, you need to enable the hstore extension which loads the contrib module to your PostgreSQL instance. Notice that keys and values are just text strings only. The hstore data type is very useful in many cases, such as semi-structured data or rows with many attributes that are rarely queried. The hstore module implements the hstore data type for storing key-value pairs in a single value. Summary: in this tutorial, you’ll learn how to work with PostgreSQL hstore data type.
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