Introduction to Updating Records in PostgreSQL

Introduction to Updating Records in PostgreSQL

Updating records in a PostgreSQL database involves modifying existing data to reflect changes or corrections. This operation is essential for maintaining data integrity, ensuring accuracy, and keeping information up to date. Generally, UPDATE Statement is used to update or change the already existing record to new records....

Setting Up Environment

Let us start by creating a table and adding some sample data to the table. We will create a test table with an id and title field. The following query creates the table:...

Ways to Update Top Records in PostgreSQL

Method 1: Using Subquery...

Technical Example

Let’s now use the concepts we have learned in this article in a technical example....

Conclusion

In this article we have understand that how to update n records in the table. We have seen the two method through which we can update the n records. The methods are Using Subquery and Using Common Text Expression(CTE). We have also saw examples of how do it. Now you can easily update the n number of record with the help of these method easily....