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I have this problem if anyone can help.
There is a field (date) in my table (table1) that is a date in the format 3/31/1988 (M/D/y), and my necessity is to define how many days have passed since that date.
I have tried to give this instruction
SELECT DATEDIFF(CURDATE(), date) AS days
FROM table1
But it gives back 'null' and I think this happens because the two date formats are different (CURDATE() is YMD.....
Is it correct? can anyone help me? Thank you in advance
399
Calculate the no. of days between two dates, divide the time difference of both the dates by no. of milliseconds in a day (1000*60*60*24) Print the final result using document.
To find the number of days between these two dates, you can enter “=B2-B1” (without the quotes into cell B3). Once you hit enter, Excel will automatically calculate the number of days between the two dates entered.
Just subtract one date from the other. For example if cell A2 has an invoice date in it of 1/1/2015 and cell B2 has a date paid of 1/30/2015, then you could enter use the formula =B2-A2 to get the number of days between the two dates, or 29.
You can use STR_TO_DATE():
SELECT DATEDIFF(CURDATE(),STR_TO_DATE(date, '%m/%d/%Y')) AS days
FROM table1
SQLFiddle Demo
158
Your DATE field should have DATE or DATETIME format to be used as DATEDIFF argument correctly.
Also DATE is MySQL keyword and I am not sure that you can use it as valid field name.
35
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