IBM DB2 10.1 Fundamentals 認定 000-610 試験問題:
1. A table named EMPLOYEE was created as follows:
Which action will prevent unauthorized users from accessing SSN data?
A) Only grant ACCESSCTRL authority for the SSN column to users who need to access SSN data.
B) Assign the SSN column to a restricted role that only authorized users can access.
C) Create a view for the EMPLOYEE table that does not contain the SSN column and require unauthorized users to use the view.
D) Alter the table definition so that SSN data is stored in a separate schema that only authorized users can access.
2. What is used in conjunction with a foreign key to define a relationship between two tables?
A) Primary key
B) Unique constraint
C) Check constraint
D) Partitioning key
3. Which type of stored procedure is not associated with an external application program?
A) A native SQL stored procedure.
B) A Java stored procedure.
C) A REXX stored procedure.
D) An external SQL stored procedure.
4. Which statement about foreign keys is true?
A) Foreign keys can only be defined when a table is created.
B) A foreign key can be defined on a column or a set of columns in a table.
C) Foreign keys are enforced only during the execution of INSERT statements.
D) A table can have only one foreign key.
5. Which case will require a sequence to be dropped and recreated instead of being modified by the ALTER SEQUENCE statement?
A) Reset the sequence to its starting value.
B) Change the increment between future values.
C) Change the data type of the sequence.
D) Establish new minimum or maximum values.
質問と回答:
質問 # 1 正解: C | 質問 # 2 正解: A | 質問 # 3 正解: A | 質問 # 4 正解: B | 質問 # 5 正解: C |