Articles
Oracle Database 1Z0-071 exam dumps
by Gregor Yedell Actual Exam Questions And Answers Passtcert is a website that can provide all information about different IT certification exam. Passtcert can provide you with the best and latest exam resources. To choose Passtcert you can feel at ease to prepare your Oracle Database 1Z0-071 exam. Our Oracle Database 1Z0-071 exam dumps can guarantee you 100% to pass Oracle certification 1Z0-071 exam, if not, Oracle Database 1Z0-071 exam dumps will be updated quickly, but this is almost impossible to happen.
Share some Oracle Database 1Z0-071 exam questions and answers below.
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 two statements are true regarding the GROUP BY clause in a SQL statement? (Choose two.)
A. You can use column alias in the GROUP BY clause.
B. Using the WHERE clause after the GROUP BY clause excludes the rows after creating groups.
C. The GROUP BY clause is mandatory if you are using an aggregate function in the SELECT clause.
D. Using the WHERE clause before the GROUP BY clause excludes the rows before creating groups.
E. If the SELECT clause has an aggregate function, then those individual columns without an aggregate function in the SELECT clause should be included in the GROUP BY clause.
Answer: D,E
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 two statements are true regarding the COUNT function? (Choose two.)
A. COUNT(*) returns the number of rows including duplicate rows and rows containing NULL value in any of the columns
B. COUNT(cust_id) returns the number of rows including rows with duplicate customer IDs and NULL value in the CUST_ID column
C. COUNT(DISTINCT inv_amt) returns the number of rows excluding rows containing duplicates and NULL values in the INV_AMT column
D. A SELECT statement using COUNT function with a DISTINCT keyword cannot have a WHERE clause
E. The COUNT function can be used only for CHAR, VARCHAR2 and NUMBER data types
Answer: A,C
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
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
So you can choose an appropriate quick training from Passtcert to pass the exam.IT certification candidates are mostly working people. Therefore, most of the candidates did not have so much time to prepare for the exam. They need a lot of time to participate in the certification exam training courses. This will not only lead to a waste of training costs, more importantly, the candidates wasted valuable time. Here, I recommend a good Oracle Database 1Z0-071 exam dumps website. Some of the test data on the site is free, but more importantly is that it provides a realistic simulation exercises that can help you to pass the Oracle 1Z0-071 exam.
Passtcert have different Oracle Database 1Z0-071 exam dumps for different candidates. With these Passtcert targeted training, the candidates can pass the exam much easier. A lot of people who participate in the IT professional certification exam was to use Passtcert Oracle Database 1Z0-071 exam dumps to pass the exam, so Passtcert got a high reputation in the IT industry.Sponsor Ads
About Gregor Yedell 
Actual Exam Questions And Answers
52 connections, 0 recommendations, 271 honor points.Joined APSense since, April 26th, 2016, From JIESTWYU, United States.
Created on Dec 8th 2017 20:37. Viewed 441 times.
Comments
No comment, be the first to comment.
