Oracle 1Z0-071 Certification Exam

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Exam Code: 1Z0-071
Certification Exam Name: Oracle 1Z0-071 Certification Exam
Oracle 1Z0-071 Exam Duration: 90 minutes
Update Date:Mar 28, 2024
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You plan to create a database by using the Database Configuration Assistant (DBCA), with the following specifications:
Applications will connect to the database via a middle tier.
The number of concurrent user connections will be high.
The database will have mixed workload, with the execution of complex BI queries scheduled at night.

1. 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.
Correct Answer: ABD

Evaluate the following two queries:
SQL> SELECT cust_last_name, cust_city
   FROM customers
   WHERE cust_credit_limit IN (1000, 2000, 3000);
SQL> SELECT cust_last_name, cust_city
   FROM customers
   WHERE cust_credit_limit = 1000 or cust_credit_limit = 2000 or cust_credit_limit = 3000
2. Which statement is true regarding the above two queries?
A. Performance would improve in 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.
Correct Answer: B

3.Which two statements are true regarding the EXISTS operator used in the correlated subqueries? (Choose two.)
A. The outer query stops evaluating the result set of the inner query when the first value is found.
B. It is used to test whether the values retrieved by the inner query exist in the result of the outer query.
C. It is used to test whether the values retrieved by the outer query exist in the result set of the inner query.
D. The outer query continues evaluating the result set of the inner query until all the values in the result set are processed.
Correct Answer: AC

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how to pass Oracle 1Z0-071 Certification Exam easily?

The IT business has taken on new dimensions thanks to Oracle, a platform for a prosperous future. However, passing the Oracle Oracle Database 12c exam demands a lot of effort because there is no other method to do so outside studying for the 1Z0-071 Oracle Database SQL exam. However, you do not need to worry about your 1Z0-071 exam preparation because SPOTO has simplified the process. SPOTO is a trustworthy website that offers 1Z0-071 test questions that are guaranteed to be accurate. The only path that will take you where you want to go is SPOTO. Just prepare for a week only and be certified in Oracle Database 12c 1Z0-071 exam with an excellent result for sure.

Who Should Take 1Z0-071 Training?

It was created for data analysts, database administrators, and anyone else who needs to understand the Oracle SQL query language because it is associate-level Oracle training. The 1Z0-071 course is beneficial for both seasoned data professionals wishing to confirm their Oracle skills and fresh IT professionals with at least a year of Oracle database expertise.

The Oracle 1Z0-071 certification test is primarily intended for applicants who have some expertise with or exposure to Oracle SQL and PL/SQL technologies and who wish to advance their careers by earning the Oracle Database SQL Certified Associate (OCA) credential.Your knowledge of Oracle SQL and PL/SQL technology is validated by the Oracle 1Z0-071 certification test, which also paves the way for your future advancement.

The definition of Oracle certification:

The Oracle Certification Program is a comprehensive exam used by Oracle to certify candidates' skills and knowledge in Oracle products and technologies. Depending on the level of certification, candidates must pass a series of exams, training and skill assignments before obtaining a qualification. Oracle certification programs can help business employees gain an actual benchmark against their expertise and work experience in the competition.

Specific classifications of Oracle certification:

The Oracle Certified Associate (OCA) credential is the first step toward achieving an Oracle Certified Professional certification. The OCA credential requires a candidate the ability of fundamental skills, providing a strong foundation for supporting Oracle products.

The Oracle Certified Professional (OCP) credential builds upon the fundamental skills demonstrated by the OCA. The Oracle Certified Professional has a command of a specific area of Oracle technology and demonstrates a high level of knowledge and skills. IT managers often use the OCP credential to evaluate the qualifications of employees and job candidates.

The Oracle Certified Master (OCM) credential recognizes the highest level of demonstrated skills, knowledge and proven abilities. OCMs are equipped to answer the most difficult questions and solve the most complex problems. The Oracle Certified Master certification validates a candidate's abilities through passing rigorous performance-based exams. The certification typically builds upon the fundamental skills of the OCA and the more advanced skills of the OCP.

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