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vamsi krishna

jdbc
1 Answer(s) 5 months and 14 days ago
Posted in : JDBC

if i create one table that consist of usename ,joiningdate for joining date i have used varchar datatype not date . then we store date into database table as a string by using java .then what are the drawbacks.

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January 29, 2013 at 6:38 PM

There are various drawbacks of using data type VARCHAR instead of DATE for a date.

Addition/Subtraction of days will not be easy with varchar
Retrieving/Extracting of month or year is not easy.
Sorting of date will not be an easy task.
VARCHAR takes more storage space than DATE.
Due to the taking more storage space by VARCHAR it is not recommended to use VARCHAR instead of DATE for the commercial environments because it will take more time to display the results (This difference is not shown in small amounts of data).

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