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The 1Z0-047 oracle exam is known as 1Z0-047 Oracle Database SQL Expert. The Oracle??s 1Z0-047 test validates your knowledge of data retrieval and manipulation using Oracle Databases. OCA 1Z0-047 exam is required to get Oracle Database SQL Expert certification.

“Oracle Database SQL Expert”, also known as 1z0-047 exam, is a Oracle certification.With the complete collection of questions and answers, Test4actual has assembled to take you through 158 Q&As to your 1z0-047 Exam preparation. In the 1z0-047 exam resources, you will cover every field and category in Oracle certifications helping to ready you for your successful Oracle Certification. The Questions & Answers are the same as your real test. We ensure you pass it with high scores.Otherwise, we will give you full refund.

The Oracle 1Z0-047 exam is designed to measure the intelligence and expertise of professional??s in Retrieving Data Using the SQL SELECT Statement; Restricting and Sorting Data; Using Single-Row Functions to Customize Output; Reporting Aggregated Data Using the Group Functions; Displaying Data from Multiple Tables; Using Subqueries to Solve Queries; Using the Set Operators; Manipulating Data; Using DDL Statements to Create and Manage Tables.

1Z0-047 Oracle Database SQL Expert
Generating Reports by Grouping Related Data 

Use the ROLLUP operation to produce subtotal values 
Use the CUBE operation to produce crosstabulation values 
Use the GROUPING function to identify the row values created by ROLLUP or CUBE 
Use GROUPING SETS to produce a single result set

Free 1z0-047 dumps Demo Download
OE and SCOTT are the users in the database. The ORDERS table is owned by OE. Evaluate the
statements issued by the DBA in the following sequence: CREATE ROLE r1; GRANT SELECT, INSERT
ON oe.orders TO r1; GRANT r1 TO scott; GRANT SELECT ON oe.orders TO scott; REVOKE SELECT
ON oe.orders FROM scott; What would be the outcome after executing the statements?
A.SCOTT would be able to query the OE.ORDERS table.
B.SCOTT would not be able to query the OE.ORDERS table.
C.The REVOKE statement would remove the SELECT privilege from SCOTT as well as from the role R1.
D.The REVOKE statement would give an error because the SELECT privilege has been granted to the
role R1.
Answer:A

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

The OCA 1Z0-047 exam is an elective for the OCA 11g, Oracle Database: SQL Certified Expert, Oracle9i DBA OCA and Oracle PL/SQL Developer Certified Associate certifications. The Oracle Database SQL Expert exam is appropriate for you if you have experience in Oracle Databases and want to work as a Database Developer.

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