Database Management System (DBMS)

341. Which key is used to fined the customer from the table:

1. Primary key
2. Candidate key
3. Foreign key
4. All of these

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342. Which key have a common meaning:

1. Foreign key
2. Primary key
3. Both
4. None

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343. A domain is a collection of values from where the columns are ___________:

1. Deleted
2. Created
3. Main tend
4. All of these

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344. Which access provides a partial support to domains:

1. Microsoft
2. Microprocessor
3. Microcomputer
4. Memory

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345. Which database relationship is considered only between pairs of tables:

1. Service database
2. Relational database
3. Related database
4. None of these

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346. In relationships how many different ways in which two tables may be related:

1. 1
2. 2
3. 3
4. 4

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347. In which ways two tables may be related:

1. One-one
2. One-many
3. Many-many
4. All of these

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348. Which rules are defined in relational models they from as an essential part of any relation database:

1. Integrity rules
2. Database
3. Record
4. Memory

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349. How many types of integrity rules:

1. 1
2. 2
3. 3
4. 4

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350. Which are the types of integrity rule:

1. General
2. Database specific
3. Both
4. None

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