Tag：timestamp
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Time：2020-8-7
1、 How to represent the current time in MySQL? In fact, there are many expressions, which are summarized as follows: CURRENT_TIMESTAMP CURRENT_TIMESTAMP() NOW() LOCALTIME LOCALTIME() LOCALTIMESTAMP LOCALTIMESTAMP() 2、 Comparison between timestamp and datetime A complete date format is as follows: yyyy-mm-dd HH: mm: SS [. Fraction], which can be divided into two parts: date part […]
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Time：2020-6-15
Comparison of several types of timestamp TIMESTAMP The difference between timestamp type and date is that date cannot be accurate to milliseconds, while timestamp can be accurate to milliseconds. The number of milliseconds is 0-9 bits, and the default is 6 bits. SQL> select tp from timestamp_test; TP ——————————————————————————– 01-march-16 09.22.33.000000 am TIMESTAMP WITH TIME […]
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Time：2020-4-5
A detailed explanation of the differences between Oracle date and timestamp 1. Date data type We are so familiar with this data type that we will think of date type when we need to represent date and time. It can store months, years, days, centuries, hours, minutes and seconds. It is typically used to indicate […]
