How do I query a timestamp in SQL?

How do I query a timestamp in SQL? To get a day of week from a timestamp, use the DAYOFWEEK() function: — returns 1-7 (integer), where 1 is Sunday and 7 is Saturday SELECT dayofweek(‘2018-12-12’); — returns the string day name like Monday, Tuesday, etc SELECT dayname(now()); To convert a timestamp to a unix timestamp […]

What is H3PO3?

What is H3PO3? phosphorous acid (H3PO3), also called orthophosphorous acid, one of several oxygen acids of phosphorus, used as reducing agent in chemical analysis. It is prepared by dissolving tetraphosphorus hexoxide (P4O6) or phosphorus trichloride (PCl3) in water. Why is phosphorus acid H3PO3? Phosphorus with an ending in “us” is the element we know as […]

Back to Top