Experts in Postgres and Open Source Infrastructure

In PostgreSQL, the full-text search returns all the possible results for the searched terms and their variants as well which was a drawback of the simple search approach.

SELECT if String Contains a Substring Match in PostgreSQL can be accomplished using different methods, such as LIKE and ILIKE, position(), substring(), etc.

In Postgres, the UNION, INTERSECT, and EXCEPT are the set operators that are applied on at least two tables to get a specific combined result.

In PostgreSQL, the UPDATE FROM statement is used to update the data/row of any table according to the data of another table.

Commenting on the special character in psql may be a problem sometimes. To avoid errors we can use different methods, such as \echo, \warn, “\\” separator, etc.

In PostgreSQL, the error “window function nth_value requires an OVER clause” occurs when the OVER clause is not specified in the query.

In PostgreSQL, an already existing user-defined data type that is no longer in our use can be dropped by using the DROP TYPE IF EXISTS statement.

In PostgreSQL, the DISTINCT ON clause works similarly to the DISTINCT clause as it returns the unique records of data after discarding the duplicate records.

The TIMETZ data type stores the time information with the timezone. This data type is used to store the data where the timezone is considered to be important.

To Create a user-defined data type in PostgreSQL, users can use either the CREATE DOMAIN statement or the CREATE TYPE statement.