1Z0-047 free exam dumps

The Oracle Database SQL Expert test 1Z0-047 checks your skills that include retrieving the data, restricting and sorting data, manipulating data, controlling user access, managing schema objects, etc. Every concept and topic are discussed in Test4actual which are made by technical team of Test4actual. It helps the aspirant to master the exam and its successful implementation in industry. By practicing these materials the students will find it easier to crack the exam in first attempt.

1z0-047 Oracle Database SQL Expert Exam Topics
Displaying Data from Multiple Tables
Write SELECT statements to access data from more than one table using equijoins and nonequijoins
Join a table to itself by using a self-join
View data that generally does not meet a join condition by using outer joins

Managing Schema Objects
Add constraints
Create indexes
Create indexes using the CREATE TABLE statement
Creating function-based indexes
Drop columns and set column UNUSED
Perform FLASHBACK operations
Create and use external tables
Generate a Cartesian product of all rows from two or more tables

Free Test4actual 1z0-047 Demo Download
In which scenario would you use the ROLLUP operator for expression or columns within a GROUP BY
clause?
A.to find the groups forming the subtotal in a row
B.to create group-wise grand totals for the groups specified within a GROUP BY clause
C.to create a grouping for expressions or columns specified within a GROUP BY clause in one direction,
from right to left for calculating the subtotals
D.to create a grouping for expressions or columns specified within a GROUP BY clause in all possible
directions, which is cross-tabular report for calculating the subtotals
Answer:C

Evaluate the following SQL statement: ALTER TABLE hr.emp SET UNUSED (mgr_id); Which
statement is true regarding the effect of the above SQL statement?
A.Any synonym existing on the EMP table would have to be re-created.
B.Any constraints defined on the MGR_ID column would be removed by the above command.
C.Any views created on the EMP table that include the MGR_ID column would have to be dropped and
re-created.
D.Any index created on the MGR_ID column would continue to exist until the DROP UNUSED
COLUMNS command is executed.

Oracle Database SQL Expert 1z0-047
Exam Number/Code : 1z0-047
Exam Name : Oracle Database SQL Expert
One year free update
Once failed,100% refund
Questions and Answers : 158Q&As
Price : $79.00

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