1Z0-047 dumps
1Z0-047 dumps
1Z0-047 dumps
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1Z0-047 Exam
Oracle Database SQL Expert
Exam Number/Code : 1z0-047
Exam Name : Oracle Database SQL Expert
Questions and Answers : 278 Q&As
Update Time: 2010-10-29
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1Z0-047 torrent
1. You need to load information about new customers from the NEW_CUST table into the tables CUST and CUST_SPECIAL. If a new customer has a credit limit greater than 10,000, then the details have to be inserted into CUST_SPECIAL. All new customer details have to be inserted into the CUST table. Which technique should be used to load the data most efficiently?
A. external table
B. the MERGE command
C. the multitable INSERT command
D. INSERT using WITH CHECK OPTION
Answer: C
2. Evaluate the CREATE TABLE statement:
CREATE TABLE products
(product_id NUMBER(6) CONSTRAINT prod_id_pk PRIMARY KEY,
product_name VARCHAR2(15));
Which statement is true regarding the PROD_ID_PK constraint?
A. It would be created only if a unique index is manually created first.
B. It would be created and would use an automatically created unique index.
C. It would be created and would use an automatically created nonunique index.
D. It would be created and remains in a disabled state because no index is specified in the command.
Answer: B
3. Which three tasks can be performed using regular expression support in Oracle Database 10g? (Choose three.)
A. It can be used to concatenate two strings.
B. It can be used to find out the total length of the string.
C. It can be used for string manipulation and searching operations.
D. It can be used to format the output for a column or expression having string data.
E. It can be used to find and replace operations for a column or expression having string data.
Answer: CDE
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