Monday, October 7, 2019

Oracle 1z0-071 Dumps Is Your Success Ladder Get Start Your Success Journey Without Any More Delay...



Question No :01

Which three statements are true regarding the WHERE and HAVING clauses in a SQL statement? (Choose three.)

A. WHERE and HAVING clauses cannot be used together in a SQL statement.
B. The HAVING clause conditions can have aggregate functions.
C. The HAVING clause conditions can use aliases for the columns.
D. The WHERE clause is used to exclude rows before the grouping of data.
E. The HAVING clause is used to exclude one or more aggregated results after grouping data.

Answer: A,B,D

Question No :02

Which statement is true regarding external tables?

A. The CREATE TABLE AS SELECT statement can be used to upload data into a normal table in thedatabase from an external table.
B. The data and metadata for an external table are stored outside the database.
C. The default REJECT LIMIT for external tables is UNLIMITED.
D. ORACLE_LOADER and ORACLE_DATAPUMP have exactly the same functionality when used with an external table.

Answer: A

Question No :03

Which two statements are true about Data Manipulation Language (DML) statements? (Choose two.)

A. An INSERT INTO...VALUES.. statement can add multiple rows per execution to a table.
B. An UPDATE... SET... statement can modify multiple rows based on multiple conditions on a table.
C. A DELETE FROM..... statement can remove rows based on only a single condition on a table.
D. An INSERT INTO... VALUES..... statement can add a single row based on multiple conditions on atable.
E. A DELETE FROM..... statement can remove multiple rows based on multiple conditions on a table.
F. An UPDATE....SET.... statement can modify multiple rows based on only a single condition on a table.

Answer: B,E

Question No :04

Which two statements are true regarding roles? (Choose two.)

A. A role can be granted to itself.
B. A role can be granted to PUBLIC.
C. A user can be granted only one role at any point of time.
D. The REVOKE command can be used to remove privileges but not roles from other users.
E. Roles are named groups of related privileges that can be granted to users or other roles.

Answer: B,E

Question No :05

Which two statements are true regarding constraints? (Choose two.)

A. A constraint is enforced only for an INSERT operation on a table.
B. A foreign key cannot contain NULL values.
C. A column with the UNIQUE constraint can store NULLS.
D. You can have more than one column in a table as part of a primary key.

Answer: C,D 


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