A2090-730の無料問題集（303題）、A2090-730認定試験参考書

IBM A2090-730 問題集

試験コード：A2090-730

試験名称：Assessment: DB2 9 Family Fundamentals

最近更新時間：2025-01-02

問題と解答：全303問

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質問 1：
What type of constraint can be used to ensure that, in any given row in a table, the value of one column never exceeds the value of another column?
A. Informational
B. Referential
C. Range
D. Check
正解：D

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

質問 3：
Given the following CREATE TABLE statement:
CREATE TABLE table2 LIKE table1
Which two of the following will NOT occur when the statement is executed?
A. TABLE2 will have the same column defaults as TABLE1
B. TABLE2 will have the same referential constraints as TABLE1
C. TABLE2 will have the same indexes as TABLE1.
D. TABLE2 will have the samenullability characteristics as TABLE1
E. TABLE2 will have the same column names and column data types as TABLE1
正解：B,C

質問 4：
Which of the following will provide user USER1 and all members of the group GROUP1 with the ability to perform DML, but no other operations on table TABLE1?
A. GRANT INSERT, UPDATE, DELETE, SELECT ON TABLE table1 TO user1 AND group1
B. GRANT ALL PRIVILEGES EXCEPT ALTER, INDEX, REFERENCES ON TABLE table1 TO USER user1, GROUP group1
C. GRANT INSERT, UPDATE, DELETE, SELECT ON TABLE table1 TO USER user1, GROUP group1
D. GRANT CONTROL ON TABLE table1 TO user1 AND group1
正解：C

質問 5：
A declared temporary table is used for which of the following purposes?
A. Backup purposes
B. Sharing result data sets between applications
C. Storing intermediate results
D. Staging area for load operations
正解：C

質問 6：
Given the following scenario:
Table TABLE1 needs to hold specific numeric values up to 9999999.999 in column COL1. Once TABLE1 is populated, arithmetic operations will be performed on data stored in column COL1.
Which of the following would be the most appropriate DB2 data type to use for column COL1?
A. NUMERIC(7, 3)
B. INTEGER
C. DECIMAL(10, 3)
D. REAL
正解：C

質問 7：
A table named DEPARTMENT has the following columns:
DEPT_ID DEPT_NAME MANAGER AVG_SALARY
Which of the following is the best way to prevent most users from viewing AVG_SALARY data?
A. Encrypt the table's data
B. Revoke SELECT access for the AVG_SALARY column from users who should not see AVG_SALARY data
C. Store AVG_SALARY data in a separate table and grant SELECT privilege for that table to the appropriate users
D. Create a view that does not contain the AVG_SALARY column
正解：D

質問 8：
Given the following query:
SELECT last_name, first_name, age, hire_date
FROM employee WHERE age > 40 Which of the following clauses must be added to return the rows sorted by AGE, oldest first, and by LAST_NAME, from A to Z?
A. ORDER BY age ASC,last_name
B. SORT BY age ASC,last_name
C. SORT BY age DESC,last_name
D. ORDER BY age DESC,last_name
正解：D

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IBM Assessment: DB2 9 Family Fundamentals 認定 A2090-730 試験問題:

1. Given the requirements to store employee names, employee numbers, and when employees were hired, which of the following built-in data types CANNOT be used to store the day an employee was hired?

A) Character Large Object
B) Varying-Length Character String
C) Time
D) Timestamp

2. Which of the following is true of an index used to support a UNIQUE constraint?

A) It must have the UNIQUE and CLUSTER attributes.
B) It must have the UNIQUE WHERE NOT NULL attribute.
C) It must have the UNIQUE attribute.
D) It cannot be created explicitly by the user.

3. Which of the following is NOT true about schemas?

A) If a schema name is not specified, either by qualifying a database object name or by executing the SET CURRENT SCHEMA statement, the authorization ID of the current session user is used as the schema name by default
B) A schema enables the creation of multiple objects in a database without encountering namespace collisions
C) When most database objects are created, they are either implicitly or explicitly assigned to a schema
D) The value assigned to the CURRENT SCHEMA special register is persistent across database restarts

4. Which of the following is TRUE for the DB2 isolation level Cursor Stability (CS)?

A) Any row changed by another application process can be read, even if the change has not been committed by that application process.
B) Any row that is read during a unit of work cannot be changed by other application processes until the unit of work is complete.
C) An application process acquires at least a share lock on the current row of every cursor.
D) An application process that issues the same query more than once in a unit of work will not see additional rows caused by other application processes appending new information to the database.

5. The following triggers were defined for table TAB1 in the order shown:
CREATE TRIGGER trig_a AFTER UPDATE ON tab1 FOR EACH ROW UPDATE sale_tab SET sale_date = CURRENT DATE; CREATE TRIGGER trig_b AFTER UPDATE ON tab1 FOR EACH STATEMENT UPDATE invoice_tab SET invoice_date = CURRENT DATE; CREATE TRIGGER trig_c AFTER UPDATE ON tab1 FOR EACH ROW UPDATE shipping_tab SET ship_date = CURRENT DATE;
CREATE TRIGGER trig_d AFTER UPDATE ON tab1 FOR EACH STATEMENT UPDATE billing_tab SET billing_date = CURRENT DATE;
If an event occurs that causes all of them to activate, which trigger will be activated first?

A) TRIG_C
B) TRIG_D
C) TRIG_A
D) TRIG_B

質問と回答：

質問 # 1
正解： C

質問 # 2
正解： C

質問 # 3
正解： D

質問 # 4
正解： C

質問 # 5
正解： C