Web Databases MCQ

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• Which attribute is used for getting an individual row?
  ক

  results.rows.item(i)

  খ

  insertId

  গ

  rowAffected

  ঘ

  length
• What is the required argument to openDatabase?
  ক

  version number

  খ

  database name

  গ

  size of a database

  ঘ

  text description
• Which of the error is raised when the quantity of data is too much?
  ক

  TOO_LARGE_ERR

  খ

  UNKNOWN_ERR

  গ

  TIMEOUT_ERR

  ঘ

  QUOTA_ERR
• Number of rows is returned by the attribute __________
  ক

  insertIID

  খ

  rows

  গ

  rowsAffected

  ঘ

  length
• insertId attribute returns ____________
  ক

  column ID

  খ

  row ID

  গ

  user’s ID

  ঘ

  database ID
• Which object is created for read-only transaction?
  ক

  Foo object

  খ

  SQLTransactionSync

  গ

  DatabaseSync object

  ঘ

  SQLTransaction
• Which error is invoked when SQLTransactionCallback does not execute?
  ক

  INVALID_ACCESS_ERR

  খ

  UNKNOWN_ERR

  গ

  TIMEOUT_ERR

  ঘ

  INVALID_STATE_ERR
• Which method is used to verifythe version number?
  ক

  changeVersion()

  খ

  readTransaction()

  গ

  transaction()

  ঘ

  executeSql()
• transaction() does not take the argument _______
  ক

  callback

  খ

  success callback

  গ

  error callback

  ঘ

  database name
• Which feature is not used when SQL features are not being supported?
  ক

  BEGIN

  খ

  END

  গ

  COMMIT

  ঘ

  ROLLBACK
• The sign is used for the placeholder _____________
  ক

  &

  খ

  *

  গ

  ^

  ঘ

  ?
• openDatabase() method does not take the argument in __________
  ক

  database name

  খ

  display name

  গ

  database version

  ঘ

  server name
• Which function is used to return a handle to the database?
  ক

  prepareDatabase()

  খ

  showDocCount()

  গ

  executeSql()

  ঘ

  openDatabase()