How do I use timestamp functions in SQL?
In SQL, timestamp functions are used to manipulate date and time values. What specific function are you interested in?
Can you explain the difference between NOW() and CURRENT_TIMESTAMP?
Sure! NOW() returns the current date and time, while CURRENT_TIMESTAMP is a standard SQL function that does the same. They are often interchangeable.
How can I format a timestamp to only show the date?
You can use the DATE() function to extract the date part from a timestamp. For example, SELECT DATE(NOW());
will give you just the date.
What about converting a string to a timestamp?
You can use the STR_TO_DATE() function for that. For example, STR_TO_DATE('2023-10-01', '%Y-%m-%d')
converts a string to a timestamp.
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