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Q:

The ODBC core API consists of which of the following functions?

A) Commit or rollback transactions only	B) Connect to data sources only
C) Connect to data sources with driver-specific information only	D) Both 1 and 2 above are in the OBDC core API.

Answer & Explanation Answer: D) Both 1 and 2 above are in the OBDC core API.

Explanation:

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Q:

Of the three ways to create an Oracle database, which one is the easiest and most recommended?

A) Using the Oracle Database Configuration Assistant.	B) Using the Oracle-supplied database creation procedures.
C) Using the SQL CREATE DATABASE command.	D) None of the above is correct.

Answer & Explanation Answer: A) Using the Oracle Database Configuration Assistant.

Explanation:

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Q:

What SQL command will allow you to change the table STUDENT to add the constraint named GradeCheck that states that the values of the Grade column must be greater than 0?

A) ALTER TABLE STUDENT ALTER CONSTRAINT GradeCheck (Grade > 0);	B) ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck (Grade > 0);
C) ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck CHECK (Grade > 0);	D) None of the above is correct.

Answer & Explanation Answer: C) ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck CHECK (Grade > 0);

Explanation:

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Q:

To drop a column that is used as a foreign key, first:

A) drop the primary key.	B) drop the table containing the foreign key..
C) drop the foreign key constraint.	D) All of the above must be done.

Answer & Explanation Answer: C) drop the foreign key constraint.

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Q:

The process of reading a database schema and producing a data model from that schema is known as:

A) data modeling.	B) database design.
C) reverse engineering.	D) None of the above is correct.

Answer & Explanation Answer: C) reverse engineering.

Explanation:

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Q:

In a 1:N relationship, the foreign key is placed in:

A) the parent table.	B) the child table.
C) either table without specifying parent and child tables.	D) either the parent table or the child table.

Answer & Explanation Answer: B) the child table.

Explanation:

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Q:

For every relationship, how many possible types of actions are there when enforcing minimum cardinalities?

A) Two	B) Three
C) Four	D) Six

Answer & Explanation Answer: D) Six

Explanation:

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Q:

When assessing the table structure of an acquired set of tables with data, accessing the validity of possible referential integrity constraints on foreign keys is (part of) the:

A) first step.	B) second step.
C) third step.	D) fourth step.

Answer & Explanation Answer: C) third step.

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