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IBM A2090-730 Exam Syllabus Topics:

IBM Assessment: DB2 9 Family Fundamentals Sample Questions:

1. After the following SQL statement is executed: GRANT ALL PRIVILEGES ON TABLE employee TO USER user1
Assuming user USER1 has no other authorities or privileges, which of the following actions is user USER1 allowed to perform?

A) Grant all privileges on the EMPLOYEE table to other users
B) Drop an index on the EMPLOYEE table
C) Drop the EMPLOYEE table
D) Alter the table definition

2. Which of the following causes a lock that is being held by an application using the Cursor Stability isolation level to be released?

A) The cursor is moved to another row
B) The row the cursor is on is deleted by the application
C) The row the cursor is on is deleted by another application
D) The row the cursor is on needs to be updated by another application

3. User USER1 wants to utilize an alias to remove rows from a table. Assuming USER1 has no authorities or privileges, which of the following privileges are needed?

A) REFERENCES privilege on the alias; DELETE privilege on the table
B) DELETE privilege on the alias
C) DELETE privilege on the table
D) DELETE privilege on the alias; REFERENCES privilege on the table

4. Given the following table definition:
SALES INVOICE_NO CHAR(20) NOT NULL SALES_DATE DATE SALES_PERSON CHAR(20) REGION CHAR(20) SALES INTEGER
If the following SELECT statement is executed, which of the following describes the order of the rows in the result data set produced? SELECT * FROM sales

A) The rows are sorted by INVOICE_NO in ascending order.
B) The rows are sorted by INVOICE_NO in descending order.
C) The rows are not sorted in any particular order.
D) The rows are ordered based on when they were inserted into the table.

5. Given the following requirements:
Create a table to contain employee data, with a unique numeric identifier automatically assigned when a row is added, has an EDLEVEL column that permits only the values 'C', 'H' and 'N', and permits inserts only when a corresponding value for the employee's department exists in the DEPARTMENT table.
Which of the following CREATE statements will successfully create this table?

A) CREATE TABLEemp (
empno SMALLINT NOT NULL GENERATED BY DEFAULT AS IDENTITY,
firstname VARCHAR(30) NOT NULL,
lastname VARCHAR(30) NOT NULL,
workdept CHAR(3),
edlevel CHAR(1),
CONSTRAINT emp_pk PRIMARY KEY (empno),
CONSTRAINT emp_workdept_fk FOREIGN KEY (workdept) REFERENCES department
(deptno),
CONSTRAINT edlevel_ck CHECK edlevel VALUES ('C','H','N')
);
B) CREATE TABLEemp (
empno SMALLINT NEXTVAL GENERATED BY DEFAULT AS IDENTITY,
firstname VARCHAR(30) NOT NULL,
lastname VARCHAR(30) NOT NULL,
workdept CHAR(3) NOT NULL,
edlevel CHAR(1) CHECK IN ('C','H','N')),
CONSTRAINT emp_pk PRIMARY KEY (empno),
CONSTRAINT emp_workdept_fk FOREIGN KEY department (deptno) REFERENCES
(workdept)
);
C) CREATE TABLEemp (
empno SMALLINT NEXTVAL GENERATED ALWAYS AS IDENTITY,
firstname VARCHAR(30) NOT NULL,
lastname VARCHAR(30) NOT NULL,
workdept CHAR(3) NOT NULL,
edlevel CHAR(1),
PRIMARY KEY emp_pk (empno),
FOREIGN KEY emp_workdept_fk ON (workdept) REFERENCES department (deptno),
CHECK edlevel_ck VALUES (edlevel IN ('C','H','N')),
);
D) CREATE TABLEemp (
empno SMALLINT NOT NULL GENERATED BY DEFAULT AS IDENTITY,
firstname VARCHAR(30) NOT NULL,
lastname VARCHAR(30) NOT NULL,
workdept CHAR(3),
edlevel CHAR(1),
CONSTRAINT emp_pk PRIMARY KEY (empno),
CONSTRAINT emp_workdept_fk FOREIGN KEY (workdept) REFERENCES department
(deptno),
CONSTRAINT edlevel_ck CHECK (edlevel IN ('C','H','N'))
);

Solutions: