Free Access Oracle.1z0-071.v2022-09-21.q298 Practice Test (Page 36)

Question 171

Which two statements are true about Oracle synonyms?

A.A synonym can have a synonym.

B.All private synonym names must be unique in the database.

C.Any user can create a PUBLICsynonym.

D.A synonym can be created on an object in a package.

E.A synonym has an object number.

Question 172

View the Exhibit and examine the structure of the SALES and PRODUCTS tables. (Choose two.)

In the SALES table, PROD_ID is the foreign key referencing PROD_ID in the PRODUCTS table. You must list each product ID and the number of times it has been sold.
Examine this query which is missing a JOIN operator:

Which two JOIN operations can be used to obtain the required output? (Choose two.)

A.LEFT OUTER JOIN

B.RIGHT OUTER JOIN

C.JOIN

D.FULL OUTER JOIN

Question 173

Examine the commands used to create DEPARTMENT_DETAILSand COURSE_DETAILS tables:

You want to generate a list of all department IDs that do not exist in the COURSE_DETAILStable.
You execute the SQL statement:

What is the outcome?

A.It fails because the ON clause condition is not valid.

B.It fails because the join type used is incorrect.

C.It executes successfully and displays the required list.

D.It executes successfully but displays an incorrect list.

Question 174

View the Exhibit and examine the description of the tables.

You execute this SQL statement:

Which three statements are true? (Choose three.)

A.The statement will execute successfully and a new row will be inserted into the SALES table.

B.A customer can exist in many countries.

C.The SALEStable has five foreign keys.

D.The statement will fail if a row already exists in the SALEStable for product 23.

E.A product can have a different unit price at different times.

F.The statement will fail because a subquery may not be contained in a VALUESclause.

Question 175

Which three statements are true regarding indexes? (Choose three.)

A.When a table is dropped and is moved to the RECYCLE BIN, all indexes built on that table are permanently dropped

B.A UNIQUE index can be altered to be non-unique

C.An update to a table can result in no updates to any of the table's indexes

D.An update to a table can result in updates to any or all of the table's indexes

E.A table belonging to one user can have an index that belongs to a different user

F.A SELECT statement can access one or more indices without accessing any tables

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Question 171

Question 172

Question 173

Question 174

Question 175

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