![]() ![]() Dates and timestamps (with or without time zone) are all comparable, while times (with or without time zone) and intervals can only be compared to other values of the same data type. In addition, the usual comparison operators shown in Table 9.1 are available for the date/time types. You should be familiar with the background information on date/time data types from Section 8.5. For formatting functions, refer to Section 9.8. Table 9.29 illustrates the behaviors of the basic arithmetic operators ( +, *, etc.). ![]() Table 9.30 shows the available functions for date/time value processing, with details appearing in the following subsections.
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