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How to Connect to My Amazon RDS for PostgreSQL Using IAM Authentication

Create an RDS database with IAM authentication enabled. Attach the IAM role to the EC2 instance and connect to it to generate the SSH key.

How Does LEFT JOIN Work With PostgreSQL

LEFT JOIN is used in the PostgreSQL database to return all the records from the left table and matched records from the right table.

How to Use RIGHT JOIN in PostgreSQL

In PostgreSQL, RIGHT JOIN is used to merge two tables in the database and return all records of the Right table and only matched records from the left one.

How to Create an INDEX in PostgreSQL

In PostgreSQL, indexes can be created using the CREATE INDEX statement followed by the index name and then providing the table name inside the ON condition.

How to Create a Materialized View in PostgreSQL

To create a materialized view in Postgres, execute the CREATE MATERIALIZED VIEW statement along with the AS keyword followed by the base query.

How to Alter an INDEX in PostgreSQL

The index can be changed in PostgreSQL using an ALTER INDEX statement containing the name of the index and then adding conditions to be applied to change it.

What Does the nextval() Function Do in PostgreSQL

In PostgreSQL, the nextval() function fetches the next value from the sequence to add the incremented value to the existing value of the sequence.

How to Drop an INDEX in PostgreSQL

In PostgreSQL, indexes can be dropped using the DROP INDEX command followed by the index name or names for dropping multiple indexes using a single query.

How to Setup ODBC Drivers for PostgreSQL

To set up ODBC drivers for PostgreSQL, download the executable file and install it on the system. After that, configure the driver by adding a data source to it.

How Does ROLLUP Work in PostgreSQL

The ROLLUP is the sub-clause of the GROUP BY in PostgreSQL which assumes the hierarchy among the columns to reduce the number of subsets in the report.