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MySQL’s GROUP_CONCAT() Equivalent in PostgreSQL

In PostgreSQL, the STRING_AGG() function can be utilized as an alternative to the MySQL's GROUP_CONCAT() function.

Find Maximum Values From a Row in PostgreSQL

Use the MAX() function along with a subquery to find a row having a maximum value in a given column. Users must use the subquery along with the WHERE clause to get the filtered result set.

How to Sort a Table By Month in PostgreSQL

Use the ORDER BY clause alongside the EXTRACT() function to sort a table by month. 'Month' must be passed as an argument to the EXTRACT() function.

How to Get the Column Type Using pg_typeof() Function in PostgreSQL?

To get the column’s type in Postgres all you need to do is simply pass the column name as an argument to the pg_typeof() function.

How to Get a List of PostgreSQL Supported Timezones

In Postgres, the pg_timezone_abbrevs() function, the “pg_timezone_names” view, and the pg_timezone_abbrevs view are used to get the list of PostgreSQL-supported timezones.

How to Multiply Two Table Columns in PostgreSQL

To perform multiplication on two columns of a particular table, the “*” operator is used in PostgreSQL. For this purpose, all you need to do is, specify the “*” operator between the selected columns.

How to Group Data by Year in PostgreSQL

In PostgreSQL, various inbuilt functions like DATE_PART(), EXTRACT(), and DATE_TRUNC() are used with the GROUP BY clause to group the table’s data by a specific date field.

What Does DELETE RETURNING Clause Do in PostgreSQL

In PostgreSQL, the DELETE RETURNING clause not only deletes the selected rows but also retrieves the deleted rows.

How to Create a Sequence in PostgreSQL?

To create a sequence in Postgres, execute the CREATE SEQUENCE command followed by the name of the sequence to be created.

PostgreSQL Conditional Select With Examples

To make the conditional selection in PostgreSQL, the CASE expression must be used within the SELECT statement.