June 2002
Intermediate to advanced
800 pages
16h 3m
English
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17.1. Dates and Time in SQL
PostgreSQL can easily be used to work with dates and time efficiently. In contrast to many other databases, PostgreSQL provides a set of flexible and powerful data types to handle date and time information, as well as a set of functions.
17.1.1. Data Types for Handling Dates and Time
In this section you will take a closer look at PostgreSQL's data types for handling dates and time.
17.1.1.1. interval
interval is one of the most comfortable and efficient data types supported by PostgreSQL. With the help of this data type, it is possible to store differences between two dates easily. An interval consists of the following components: second, minute, hour, day, week, month, year, decade, century, and millennium. Not all ...
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