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Conclusion
Becoming a more in-demand and high-paying professional is much easier with one of the Oracle certifications. Now that you see its benefits, just register for the 1Z0-071 exam, known as the Oracle Database SQL exam, take it with honors, and give your supervisor a reason to promote you. And with elaborate preparation, using the Oracle training courses, tutorials, or third-party sources, you get a chance to optimize your organization's database workload and improve your own performance. Go ahead, everything is in your hands!
Career Prospects
There is no doubt that passing the Oracle 1Z0-071 exam is going to be highly beneficial for your career, not to mention that you will also become an OCA specialist after obtaining any of the associated certificates. If you are new to the industry, it will be much easier for you to land a decent job. Some of the positions that the individuals who have completed the certification test can go for include:
- Data Scientist
- Systems Engineer
- Database Administrator (DBA)
- Database Developer
- Database Architect
- Systems Administrator
- Senior Database Administrator
- Database Engineer
After acing the Oracle 1Z0-071 exam, you will also get a better remuneration in comparison with your peers. Thus, the holders of the Oracle PL/SQL Developer Certified Associate certification can earn on average $91,035 per year. Depending on a particular job title, this sum may be much higher. For instance, working as a Database Engineer, you can get about $110,000 annually, while the position of a Database Architect can bring you as much as $115,000 per year.
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Oracle 1z0-071 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Aggregating Data Using Group Functions | 10% | - SUM, AVG, COUNT, MAX, MIN functions - Handling NULLs in group functions - GROUP BY and HAVING clauses |
| Using Subqueries to Solve Queries | - Single-row and multi-row subqueries - Correlated subqueries for update/delete | |
| Managing Tables and Constraints | - Constraints: primary key, foreign key, unique, check, not null - Data types, creating/altering/dropping tables - Temporary and external tables | |
| Restricting and Sorting Data | 15% | - Operator precedence - ORDER BY clause and sorting rules - Substitution variables, DEFINE and VERIFY commands - WHERE clause and filtering conditions |
| Managing Indexes, Synonyms and Sequences | - Create and use sequences - Create and use synonyms - Create and maintain indexes | |
| Conversion Functions and Conditional Expressions | 10% | - TO_CHAR, TO_NUMBER, TO_DATE functions - Implicit and explicit data type conversion - NVL, NULLIF, COALESCE and CASE expressions |
| Controlling User Access | - System and object privileges - Roles, granting and revoking privileges | |
| Manipulating Data and Managing Transactions | - INSERT, UPDATE, DELETE, MERGE statements - Transaction control: COMMIT, ROLLBACK, SAVEPOINT - Multi-table inserts | |
| Using Data Dictionary Views | - Retrieve metadata and object information | |
| Using Single-Row Functions to Customize Output | 20% | - Character, number, and date functions - Nested functions usage |
| Retrieving Data Using SQL SELECT Statement | 20% | - Arithmetic operations and NULL handling - SELECT statement syntax and usage - Column aliases, concatenation, literals and DISTINCT |
| Managing Views | - Create, modify and drop views - Updatable and read-only views | |
| Working with Time Zones and Date/Time Data | - Time zone conversion functions - TIMESTAMP, INTERVAL data types | |
| Using SET Operators | - Ordering results with set operations - UNION, UNION ALL, INTERSECT, MINUS operators | |
| Displaying Data from Multiple Tables | 15% | - Equijoins and non-equijoins - Self-joins and outer joins - Cartesian products |
| Relational Database Concepts | 10% | - Theoretical and physical aspects of relational databases - ERD and SQL statement mapping - Relationship between database and SQL |
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