1Z0-051出題範囲、1z0-809資格
NO.1 Here is the structure and data of the CUST_TRANS table: Exhibit:
Dates are stored in the default date format dd-mm-rr in the CUST_TRANS table.
Which three SQL statements would execute successfully? (Choose three.)
A. SELECT transdate + '10' FROM cust_trans;
B. SELECT * FROM cust_trans WHERE transdate='01-JANUARY-07';
C. SELECT custno + 'A' FROM cust_trans WHERE transamt > 2000;
D. SELECT transamt FROM cust_trans WHERE custno > '11';
E. SELECT * FROM cust_trans WHERE transdate = '01-01-07';
Answer: A,B,D
1Z0-051教育 1Z0-051勉強時間
NO.2 Which SQL statement displays the date March 19, 2001 in a format that appears as
"Nineteenth of March 2001 12:00:00 AM"?
A. SELECT TO_CHAR(TO_DATE('19-Mar-2001', 'DD-Mon-YYYY'), 'Ddspth "of" Month YYYY fmHH:MI:SS
AM') NEW_DATE FROM dual;
B. SELECT TO_CHAR(TO_DATE('19-Mar-2001', 'DD-Mon-YYYY'), 'fmDdspth "of" Month YYYY
fmHH:MI:SS AM') NEW_DATE FROM dual;
C. SELECT TO_CHAR(TO_DATE('19-Mar-2001', 'DD-Mon-YYYY'), 'fmDdspth "of" Month YYYY HH:MI:SS
AM') NEW_DATE FROM dual;
D. SELECT TO_CHAR(TO_DATE('19-Mar-2001', 'DD-Mon-YYYY), 'fmDdspth "of" Month
YYYYfmtHH:HI:SS AM') NEW_DATE FROM dual;
Answer: B
1Z0-051ソフト版
NO.3 You own a table called EMPLOYEES with this table structure:
EMPLOYEE_ID NUMBER Primary Key
FIRST_NAME VARCHAR2(25)
LAST_NAME VARCHAR2(25)
HIRE_DATE DATE
What happens when you execute this DELETE statement?
DELETE employees;
A. You get an error because the statement is not syntactically correct.
B. You get an error because of a primary key violation.
C. The data in the EMPLOYEES table is deleted but not the structure.
D. The data and structure of the EMPLOYEES table are deleted.
Answer: C
Explanation:
Explanation:
You can remove existing rows from a table by using the DELETE statement. DELETE [FROM] table
[WHEREcondition]; Incorrect
answer: AStatement
1Z0-051答案 1Z0-051例題
will not cause error BDelete statement will not delete the table structure DStatement will not cause
error
Refer: Introduction to Oracle9i: SQL, Oracle University Study Guide, 8-19
NO.4 You are the DBA for an academic database. You need to create a role that allows a group of
users to modify existing rows in the STUDENT_GRADES table.
Which set of statements accomplishes this?
A. CREATE ROLE registrar; GRANT UPDATE ON student_grades TO registrar; GRANT ROLE registrar to
user1, user2, user3
B. CREATE NEW ROLE registrar; GRANT ALL ON student_grades TO registrar; GRANT registrar to
user1, user2, user3
C. CREATE ROLE registrar; GRANT UPDATE ON student_grades TO registrar; GRANT registrar to user1,
user2, user3;
D. CREATE ROLE registrar; GRANT MODIFY ON student_grades TO registrar; GRANT registrar to user1,
user2, user3
E. CREATE registrar; GRANT CHANGE ON student_grades TO registrar; GRANT registrar;
Answer: C
1Z0-051英語版
Explanation:
this is the correct solution for the answer. GRANT role_name to users;
Incorrect
answer: Athere
1Z0-051全真模擬試験 1Z0-051資格難易度
is no such MODIFY keyword Binvalid CREATE command, there is no such NEW keyword Cinvalid
GRANT command, there is no such ROLE keyword Einvalid GRANT command, there is no such
CHANGE keyword
Refer: Introduction to Oracle9i: SQL, Oracle University Study Guide, 13-10
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試験番号：1Z0-051問題集試験科目：Oracle Database: SQL Fundamentals I
最近更新時間：2016-11-01
問題と解答：全292問 1Z0-051出題範囲
100％の返金保証。1年間の無料アップデート。
試験番号：1z0-809問題集試験科目：Java SE 8 Programmer II
最近更新時間：2016-11-01
問題と解答：全128問 1z0-809資格
100％の返金保証。1年間の無料アップデート。
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