Testpassport最新OracleOCA1Z0047题库免费下载VIP免费

ίԊ*VVRYYYVGUVRCUURQTVEPestpassportT The safer , easier way to help you pass any IT exams. 1 / 10 Ex am : 1Z0-047 Title : Version : DEMO Oracle Database SQL Expert The safer , easier way to help you pass any IT exams. 2 / 10 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 Correct:C 2.View the Exhibit and examine the description of the CUSTOMERS table. You want to add a constraint on the CUST_FIRST_NAME column of the CUSTOMERS table so that the 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 CHECK(REGEXP_LIKE(cust_first_name,'[[:alpha:]]'))NOVALIDATE ; D.ALTER TABLE CUSTOMERS ADD CONSTRAINT cust_f_name CHECK(REGEXP_LIKE(cust_first_name,'[[:digit:]]'))NOVALIDATE ; Correct:C 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. The safer , easier way to help you pass any IT exams. 3 / 10 C.It can be used...