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What Is Deviation Betwixt Java.Sql.Time, Java.Sql.Timestamp Too Java.Sql.Date - Jdbc Interview Question

Difference betwixt java.sql.Time, java.sql.Timestamp too java.sql.Date  is most mutual JDBC inquiry appearing on many core Java interviews. As JDBC provides 3 classes java.sql.Date, java.sql.Time too java.sql.Timestamp to stand upwards for engagement too fourth dimension too yous already bring java.util.Date which tin flaming stand upwards for both engagement too time, this inquiry poses lot of confusion amidst Java programmer too that’s why this is 1 of those tricky Java questions which is tough to answer. It becomes actually tough if differences betwixt them is non understood correctly. We bring already seen around often asked or mutual JDBC questions similar why JDBC has java.sql.Date despite java.util.Date too Why purpose PreparedStatement inwards Java in our terminal tutorials too nosotros volition encounter departure betwixt java.sql.Date, java.sql.Time too java.sql.Timestamp inwards this article. By the means apart from these JDBC interview questions, if yous are looking to larn most from JDBC yous tin flaming also encounter 4 JDBC functioning tips too 10 JDBC best practices to follow. Those article non alone help yous to sympathise too purpose JDBC ameliorate simply also help on interviews. Let’s come upwards dorsum to departure sql time, timestamp too sql date.

Difference betwixt java.sql.Time, java.sql.Timestamp too java.sql.Date:

JDBC inwards Java has 3 date/time types corresponding to DATE, TIME too TIMESTAMP type of ANSI SQL. These types are used to convert SQL types into Java types.

1) First departure on java.sql.Time vs java.sql.Timestamp vs java.sql.Date is virtually information they stand upwards for :

JDBC TIME or java.sql.Time stand upwards for alone fourth dimension information e.g. hours, minutes too seconds without whatever engagement information.

JDBC DATE or java.sql.Date stand upwards for alone engagement information e.g. year, month too day without whatever fourth dimension information.

JDBC TIMESTAMP or java.sql.Timestamp  represent both engagement too fourth dimension information including nanosecond details.

2) java.sql.Time too java.sql.Timestamp extends java.util.Date degree simply java.sql.Date is independent.

3) Time information from java.sql.Date too Date information from java.sql.Time is normalized too may laid to cipher inwards fellowship to confirm ANSI SQL DATE too TIME types.

So departure betwixt Time, Timestamp too Date of SQL packet is clear inwards price of what they represent. On opposite java.util.Date also stand upwards for Date too fourth dimension information simply without nanosecond details too that's why many people prefer to shop engagement equally long value (millisecond passed from epoch Jan 1, 1970 00:00:00.000 GMT). If yous compare to java.sql.Timestamp amongst equals() method it volition render false equally value of nanosecond is unknown.

That's all on departure betwixt java.sql.Date, java.sql.Time too java.sql.Timestamp. All differences lies on what precisely the represent. This kinds of questions are worth looking earlier going to whatever JDBC interview equally fourth dimension too engagement are integral business office of whatever JDBC interview.

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