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PostgreSQL BIGINT Data Type With Examples

BIGINT is a numeric data type in PostgreSQL that stores the integer values. It stores a value between -9,223,372,036,854,775,808 to +9,223,372,036,854,775,807.

What Does DROP TABLE CASCADE do in PostgreSQL

In PostgreSQL, the CASCADE option is used with the DROP TABLE command to drop/delete a table along with its dependent objects.

How to Alter Column Type in PostgreSQL

To alter column’s type in PostgreSQL, use the “SET DATA TYPE” or “TYPE” keyword with the ALTER TABLE and ALTER COLUMN commands.

How to Use DATE_PART() Function in PostgreSQL

DATE_PART() function in PostgreSQL is used to extract/retrieve a specific part(like a month, year, hour, minutes, etc.) from a TIMESTAMP/Source.

How to Format a Date in PostgreSQL

In PostgreSQL, the NOW() and CURRENT_DATE functions are used with the collaboration of the TO_CHAR() function to get the current date in a specific format.

PostgreSQL DATE Data Type With Examples

PostgreSQL supports the DATE data type that stores the date values in YYYY-MM-DD format. PostgreSQL utilizes 4 bytes to store a date value in the storage.

How to Get Current Date Minus 1 Day in PostgreSQL

In PostgreSQL, the CURRENT_DATE function is used to fetch the current date. To get the current date minus 1 day, we must subtract “1” from the CURRENT_DATE

How to Get Database Size and Table Size in PostgreSQL

In PostgreSQL, built-in functions like pg_database_size(), and pg_relation_size() are used to get the database and table size respectively.

How to Get Current Date and Time in PostgreSQL

PostgreSQL offers multiple functions to get the current date and time with or without the time zone, such as NOW(), CURRENT_TIMESTAMP, LOCALTIMESTAMP, etc.

How to Use LIKE Operator in PostgreSQL

PostgreSQL provides two wildcards: percent % and underscore _ that are used with the aid of the LIKE operator to perform pattern matching.