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IBM A2090-730 Exam Syllabus Topics:

IBM Assessment: DB2 9 Family Fundamentals Sample Questions:

1. Which of the following is a valid DB2 data type?

A) NUMBER
B) NUM
C) BYTE
D) INTERVAL

2. Which of the following will be a consequence of defining the column IDCOL2 in TABLE2 as a foreign key referencing the primary key (IDCOL1) of TABLE1?

A) When a SELECT statement joins TABLE1 with TABLE2, DB2 will automatically add the condition TABLE1.IDCOL1=TABLE2.IDCOL2 if not specified in the statement.
B) DB2 will no longer allow updating the value of IDCOL1 in TABLE1.
C) When inserting a row in TABLE2, the only values that DB2 will allow for IDCOL2 are the existing values of IDCOL1.
D) When inserting a row in TABLE2, DB2 will only allow foreign values forIDCOL2, that is values which do not exist in IDCOL1.

3. Which of the following is NOT a difference between a unique index and a primary key?

A) Unique indexes can be defined over one or more columns that allow null values; primary keys cannot contain null values.
B) A primary key is a special form of a unique constraint; both use a unique index.
C) Unique indexes can be defined over one or more columns; primary keys can only be defined on a single column.
D) A table can have many unique indexes but only one primary key.

4. Which of the following tools can be used to schedule a backup operation that is to be run every Sunday evening?

A) Task Center
B) Command Line Processor
C) Activity Monitor
D) Journal

5. For which of the following is a data warehouse optimized?

A) Security
B) Backup and recovery
C) Queries
D) Transactions

Solutions: