INTERVIEW QUESTIONS DATABASE SQL SERVER DETAILS

Question: What is the maximum value that can be stored for a datetime field?

Answer: When a record is inserted into a table containing fields of type DATETIME, the DATETIME field(s) are NOT changed.
The valid range for the DATETIME field type is '0000-01-01 00:00:00' - '9999-12-31 23:59:59' when used in a string context, and '00000000000000' - '99991231235959' when used in a numeric context.

The DATETIME type is eight bytes long.

2)SELECT * FROM Persons ORDER BY FirstName DESC

3) SELECT * FROM Persons WHERE LastName BETWEEN 'Hansen' AND 'Pettersen'

4). Query 2 will return an error

When a record is inserted into a table containing fields of type DATETIME, the DATETIME field(s) are NOT changed.
The valid range for the DATETIME field type is '0000-01-01 00:00:00' - '9999-12-31 23:59:59' when used in a string context, and '00000000000000' - '99991231235959' when used in a numeric context.

The DATETIME type is eight bytes long.

2)SELECT * FROM Persons ORDER BY FirstName DESC

3) SELECT * FROM Persons WHERE LastName BETWEEN 'Hansen' AND 'Pettersen'

4). Query 2 will return an error

Source: CoolInterview.com

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