sqlite select with condition on date

问题:

I have an sqlite table with Date of Birth. I would like to execute a query to select those records where the age is more than 30. I have tried the following but it doesn't work:

select * from mytable where dob > '1/Jan/1980' select * from mytable where dob > '1980-01-01'

回答1:

Some thing like this could be used:

select dateofbirth from customer Where DateofBirth  BETWEEN date('1004-01-01') AND date('1980-12-31');   select dateofbirth from customer where date(dateofbirth)>date('1980-12-01'); select * from customer where date(dateofbirth) 

If you are using Sqlite V3.7.12 or greater

Dont use date(dateofbirth) just use dateofbirth. So your query would look like this:

select * from customer where dateofbirth 

回答2:

Using the magic docs at the sqlite website:

select * from mytable where dob 

回答3:

Try writing using the date format 'YYYY-MM-DD'

select * from mytable where dob > '1980-01-01'

A more programic way would be something like this:

select * from mytable where datediff(dob, now()) > 30

You'll Need to find specific syntax for sqlite.

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