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Share some Oracle Database 1Z0-071 exam questions and answers below.
Which two statements are true about sequences created in a single instance database? (Choose two.)
A. CURRVAL is used to refer to the last sequence number that has been generated
B. DELETEwould remove a sequence from the database
C. The numbers generated by a sequence can be used only for one table
D. When the MAXVALUE limit for a sequence is reached, you can increase the MAXVALUE limit by using the ALTER SEQUENCE statement
E. When a database instance shuts down abnormally, the sequence numbers that have been cached but not used would be available once again when the database instance is restarted
Answer: A,D
Evaluate the following two queries:
Which statement is true regarding the above two queries?
A. Performance would improve query 2 only if there are null values in the CUST__CREDIT__LIMIT column.
B. There would be no change in performance.
C. Performance would degrade in query 2.
D. Performance would improve in query 2.
Answer: B
Which statement is true regarding the INTERSECT operator?
A. It ignores NULL values
B. The number of columns and data types must be identical for all SELECT statements in the query
C. The names of columns in all SELECT statements must be identical
D. Reversing the order of the intersected tables the result
Answer: B
Which two statements are true regarding multiple-row subqueries? (Choose two.)
A. They can contain group functions.
B. They always contain a subquery within a subquery.
C. They use the < ALL operator to imply less than the maximum.
D. They can be used to retrieve multiple rows from a single table only.
E. They should not be used with the NOT IN operator in the main query if NULL is likely to be a part of the result of the subquery.
Answer: A,E
Which three statements are true regarding the data types?
A. Only one LONG column can be used per table.
B. ATIMESTAMP data type column stores only time values with fractional seconds.
C. The BLOB data type column is used to store binary data in an operating system file.
D. The minimum column width that can be specified for a varchar2 data type column is one.
E. The value for a CHAR data type column is blank-padded to the maximum defined column width.
Answer: A,D,E
The IT expert team use their knowledge and experience to make out the latest short-term effective training materials. This Oracle 1Z0-071 exam sample questions are helpful to the candidates. It allows you to achieve the desired results in the short term. Especially those who study while working, you can save a lot of time easily. Passtcert Oracle 1Z0-071 exam sample questions are the thing which you most wanted.Oracle Database 1Z0-071 is one of the important certification exams. Passtcert experienced IT experts through their extensive experience and professional IT expertise have come up with Oracle 1Z0-071 exam sample questions to help people pass Oracle Certification 1Z0-071 exam successfully.
Many people who have passed some IT related certification exams used our Passtcert 1Z0-071 Oracle Database 12c SQL. Our Passtcert expert team use their experience for many people participating in Oracle certification 1Z0-071 exam to develope the latest effective training tools, which includes Oracle 1Z0-071 certification simulation test, the current exam and answers. Our Passtcert Oracle 1Z0-071 exam sample questions have 95% similarity with the real exam. With Passtcert Oracle 1Z0-071 exam sample questions can be easy passed.
Share some Oracle Database 1Z0-071 exam questions and answers below.
Which two statements are true about sequences created in a single instance database? (Choose two.)
A. CURRVAL is used to refer to the last sequence number that has been generated
B. DELETE
C. The numbers generated by a sequence can be used only for one table
D. When the MAXVALUE limit for a sequence is reached, you can increase the MAXVALUE limit by using the ALTER SEQUENCE statement
E. When a database instance shuts down abnormally, the sequence numbers that have been cached but not used would be available once again when the database instance is restarted
Answer: A,D
Evaluate the following two queries:
Which statement is true regarding the above two queries?
A. Performance would improve query 2 only if there are null values in the CUST__CREDIT__LIMIT column.
B. There would be no change in performance.
C. Performance would degrade in query 2.
D. Performance would improve in query 2.
Answer: B
Which statement is true regarding the INTERSECT operator?
A. It ignores NULL values
B. The number of columns and data types must be identical for all SELECT statements in the query
C. The names of columns in all SELECT statements must be identical
D. Reversing the order of the intersected tables the result
Answer: B
Which two statements are true regarding multiple-row subqueries? (Choose two.)
A. They can contain group functions.
B. They always contain a subquery within a subquery.
C. They use the < ALL operator to imply less than the maximum.
D. They can be used to retrieve multiple rows from a single table only.
E. They should not be used with the NOT IN operator in the main query if NULL is likely to be a part of the result of the subquery.
Answer: A,E
Which three statements are true regarding the data types?
A. Only one LONG column can be used per table.
B. ATIMESTAMP data type column stores only time values with fractional seconds.
C. The BLOB data type column is used to store binary data in an operating system file.
D. The minimum column width that can be specified for a varchar2 data type column is one.
E. The value for a CHAR data type column is blank-padded to the maximum defined column width.
Answer: A,D,E
The IT expert team use their knowledge and experience to make out the latest short-term effective training materials. This Oracle 1Z0-071 exam sample questions are helpful to the candidates. It allows you to achieve the desired results in the short term. Especially those who study while working, you can save a lot of time easily. Passtcert Oracle 1Z0-071 exam sample questions are the thing which you most wanted.Oracle Database 1Z0-071 is one of the important certification exams. Passtcert experienced IT experts through their extensive experience and professional IT expertise have come up with Oracle 1Z0-071 exam sample questions to help people pass Oracle Certification 1Z0-071 exam successfully.
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