Java JDBC MCQs with answers Page - 3

Here, you will find a collection of MCQ questions on Java JDBC. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Satya • 3.38K Points
Extraordinary

Q. Which method is used to close a JDBC connection?

  • (A) end()
  • (B) close()
  • (C) disconnect()
  • (D) terminate()

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Satya • 3.38K Points
Extraordinary

Q. Which interface allows executing parameterized queries safely?

  • (A) Statement
  • (B) PreparedStatement
  • (C) CallableStatement
  • (D) ResultSet

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Satya • 3.38K Points
Extraordinary

Q. Which method is used to set parameters in PreparedStatement?

  • (A) setValue()
  • (B) setData()
  • (C) setString() / setInt()
  • (D) setParameterValue()

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Satya • 3.38K Points
Extraordinary

Q. What symbol is used as a placeholder in PreparedStatement?

  • (A) :
  • (B) ?
  • (C) #
  • (D) $

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Satya • 3.38K Points
Extraordinary

Q. Which method executes any kind of SQL statement?

  • (A) execute()
  • (B) executeQuery()
  • (C) executeUpdate()
  • (D) runSQL()

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Satya • 3.38K Points
Extraordinary

Q. Which object is used to retrieve metadata about the database?

  • (A) ResultSetMetaData
  • (B) DatabaseMetaData
  • (C) ConnectionMetaData
  • (D) DriverMetaData

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Satya • 3.38K Points
Extraordinary

Q. Which object provides metadata about query result columns?

  • (A) DatabaseMetaData
  • (B) ResultSetMetaData
  • (C) StatementMetaData
  • (D) QueryMetaData

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Satya • 3.38K Points
Extraordinary

Q. Which method returns the number of columns in a ResultSet?

  • (A) getColumnSize()
  • (B) getColumnCount()
  • (C) columnNumber()
  • (D) size()

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Satya • 3.38K Points
Extraordinary

Q. Which method retrieves column name from ResultSetMetaData?

  • (A) getName()
  • (B) getColumnName()
  • (C) fetchName()
  • (D) readColumn()

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Satya • 3.38K Points
Extraordinary

Q. Which JDBC component handles transaction management?

  • (A) Statement
  • (B) Connection
  • (C) ResultSet
  • (D) Driver

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