Tag: databases

Questions Related to databases

Every iBATIS application centers around an instance of SqlSessionFactory. A SqlSessionFactory instance can be acquired by using the ______________________

  1. SqlSessionFactoryBuilder

  2. SqlBuilder

  3. SqlFactoryBuilder

  4. SqlSessionBuilder


Correct Option: A

The iBATIS XML configuration file contains ________________ that have a dramatic effect on how iBATIS behaves

  1. Beans and Objects

  2. Settings and Properties

  3. settings and getting

  4. configuration and Creations


Correct Option: B
  1. It will clean up your code and reduce the complexity of iBATIS

  2. It will generate the folder structure and delete the Objects from the cache memory

  3. It will clean up your code and improve the usability of iBATIS in the long term

  4. None of the above


Correct Option: C
  1. Mapper classes are Java classes that contain SQL Mapping Annotations that avoid the need for XML

  2. Mapper classes are Java classes that contain data Mapping Annotations that encourage the need for XML

  3. Mapper classes are Java classes that contain SQL that avoid the need for XML

  4. Mapper classes are O/R Mapping objects contain SQL Mapping objects that avoid the need for XML


Correct Option: A
  1. configuration, environments, environment, transactionManager, dataSource, mappers,mapper

  2. configuration, environments, transactionManager, dataSource, property, mappers

  3. configuration, environments, environment, transactionManager, dataSource, property, mappers,mapper

  4. configuration, environment, transactions, dataSource, property, mappers,mapper


Correct Option: C

The SQL SELECT INTO statement can be used to create backup copies of tables.

  1. True

  2. False


Correct Option: A

Constraints can be specified after a table is created

  1. True

  2. False


Correct Option: A

AI Explanation

To answer this question, you need to understand how constraints are specified in a database table.

Option A) True - This option is correct. In most database management systems, constraints can be specified after a table is created. Constraints are used to enforce rules and conditions on the data stored in a table. They can be added or modified using SQL statements, even after the table has been created.

Option B) False - This option is incorrect. Constraints can indeed be specified after a table is created.

The correct answer is A) True. Constraints can be specified after a table is created.