Testinside 1Z0-047最新题库分享

Exam : Oracle 1Z0-047

Title : Oracle Database SQL Expert

Version : Demo

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

value inserted in the column does not have numbers.

Which SQL statement would you use to accomplish the task?

A. ALTER TABLE CUSTOMERS

ADD CONSTRAINT cust_f_name

CHECK(REGEXP_LIKE(cust_first_name,'^A-Z'))NOVALIDATE ;

B. ALTER TABLE CUSTOMERS

ADD CONSTRAINT cust_f_name

CHECK(REGEXP_LIKE(cust_first_name,'^[0-9]'))NOVALIDATE ;

C. ALTER TABLE CUSTOMERS

ADD CONSTRAINT cust_f_name

(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

4. View the Exhibit and examine the structure of the EMP table which is not partitioned and not an index-

organized table.

Evaluate the following SQL statement:

C. The FIRST_NAME column can be rolled back provided the SET UNUSED option is added to the above

SQL statement.

D. The FIRST_NAME column can be dropped even if it is part of a composite PRIMARY KEY provided the

CASCADE option is used.

Answer: BD

5. 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

E. DICTIONARY is a view that contains the names of all the data dictionary views that the user can

access.

Answer: AE

7. View the Exhibit and examine the description of the ORDERS table.

Which two WHERE clause conditions demonstrate the correct usage of conversion functions? (Choose

two.)