Oracle Wrong Problem set

How the date type in the 1.oracle is stored in the database

Links: https://www.cnblogs.com/bdqnhhm/p/6683458.html

What class does Java use to correspond to the date type of the database when the 2.Oracle database holds dates in the data type? Reproduced

Links: https://www.cnblogs.com/bdqnhhm/p/6683458.html

3.JDBC connection to the Oracle database after the implementation of the EMP table data Additions and deletions (reproduced)

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Oracle Wrong Problem set