PDF Version DemoPrerequisites
There are no official requirements for passing the Oracle 1Z0-071 exam. However, it is recommended that the students have a good grasp of SQL syntax rules. They also need to be able to use general SQL functions, identify the result of fundamental DDL operations, and know how to implement SQL statements and functions.
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Career opportunities after getting ORACLE 1Z0-071 Certification
After studying Oracle 1Z0-071 Dumps and passing the 1Z0-071 exam, you can work as a Database Administrator, Application Developer, or Systems Analyst. Some other careers that require the exam include Business Intelligence Specialist, Infrastructure Architect, and Infrastructure Engineer. Adminoracle Certification makes it easier to land a job because the company knows you won't have to worry about certifying yourself again in the future if your career path requires it.
Oracle 1z0-071 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Displaying Data from Multiple Tables | 15% | - Self-joins and outer joins - Cartesian products - Equijoins and non-equijoins |
| Controlling User Access | - System and object privileges - Roles, granting and revoking privileges | |
| Relational Database Concepts | 10% | - Relationship between database and SQL - ERD and SQL statement mapping - Theoretical and physical aspects of relational databases |
| Using SET Operators | - Ordering results with set operations - UNION, UNION ALL, INTERSECT, MINUS operators | |
| Manipulating Data and Managing Transactions | - INSERT, UPDATE, DELETE, MERGE statements - Multi-table inserts - Transaction control: COMMIT, ROLLBACK, SAVEPOINT | |
| Aggregating Data Using Group Functions | 10% | - Handling NULLs in group functions - GROUP BY and HAVING clauses - SUM, AVG, COUNT, MAX, MIN functions |
| Using Single-Row Functions to Customize Output | 20% | - Character, number, and date functions - Nested functions usage |
| Conversion Functions and Conditional Expressions | 10% | - NVL, NULLIF, COALESCE and CASE expressions - TO_CHAR, TO_NUMBER, TO_DATE functions - Implicit and explicit data type conversion |
| Managing Indexes, Synonyms and Sequences | - Create and maintain indexes - Create and use synonyms - Create and use sequences | |
| Retrieving Data Using SQL SELECT Statement | 20% | - Arithmetic operations and NULL handling - SELECT statement syntax and usage - Column aliases, concatenation, literals and DISTINCT |
| Restricting and Sorting Data | 15% | - Operator precedence - WHERE clause and filtering conditions - Substitution variables, DEFINE and VERIFY commands - ORDER BY clause and sorting rules |
| Using Data Dictionary Views | - Retrieve metadata and object information | |
| Managing Views | - Updatable and read-only views - Create, modify and drop views | |
| Working with Time Zones and Date/Time Data | - TIMESTAMP, INTERVAL data types - Time zone conversion functions | |
| Using Subqueries to Solve Queries | - Correlated subqueries for update/delete - Single-row and multi-row subqueries | |
| Managing Tables and Constraints | - Constraints: primary key, foreign key, unique, check, not null - Data types, creating/altering/dropping tables - Temporary and external tables |
Oracle Database SQL Sample Questions:
Question #1
Which two statements are true about selecting related rows from two tables based on an Entity Relationship Diagram (ERD)? (Choose two.)
A. Every relationship between the two tables must be implemented in a join condition
B. Relating data from a table with data from the same table is implemented with a self join
C. An inner join relates rows within the same table
D. Rows from unrelated tables cannot be joined
E. Implementing a relationship between two tables might require joining additional tables
Question #2
Evaluate the following query:
What would be the outcome of the above query?
A. It produces an error because the data types are not matching.
B. It produces an error because flower braces have been used.
C. It executes successfully and introduces an 's at the end of each promo_name in the output.
D. It executes successfully and displays the literal " {'s start date was \> " for each row in the output.
Question #3
View the Exhibit and examine the structure of the CUSTOMERS and CUST_HISTORY tables.
The CUSTOMERS table contains the current location of all currently active customers.
The CUST_HISTORY table stores historical details relating to any changes in the location of all current as well as previous customers who are no longer active with the company.
You need to find those customers who have never changed their address.
Which SET operator would you use to get the required output?
A. MINUS
B. INTERSECT
C. UNION
D. UNION ALL
Question #4
Which two statements are true regarding multiple-row subqueries? (Choose two.)
A. 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.
B. They can contain group functions.
C. They always contain a subquery within a subquery.
D. They can be used to retrieve multiple rows from a single table only.
E. They use the < ALL operator to imply less than the maximum.
Question #5
You execute this query:
What is the result?
A. It returns the date for the last Monday of the current month.
B. It generates an error.
C. It executes successfully but does not return any result.
D. It returns the date for the first Monday of the next month.
Solutions:
| Question #1 Correct Answer: B,E | Question #2 Correct Answer: C | Question #3 Correct Answer: A | Question #4 Correct Answer: A,B | Question #5 Correct Answer: D |
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