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Oracle 1z0-071 Practice Test Questions, Oracle 1z0-071 Exam Practice Test Questions
The Oracle 1Z0-071 exam is required for obtaining several certifications provided by the Oracle University, namely Oracle PL/SQL Developer Certified Associate, Oracle Database 12c Administrator Certified Associate, and Oracle Database SQL Certified Associate. This test validates the candidates’ competency in Oracle SQL as well as PL/SQL technologies.
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Prerequisites
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.
Preparation Resources
Preparing for any Oracle exam is never an easy task, and the 1Z0-071 exam is no exception. To achieve the desired result, candidates have to go out of their way and spend enough time to successfully write the final test on the first try. It should be recalled that due to the continuous development of the Oracle technologies, many of the preparatory materials that can be found on the Internet so, be careful of using the outdated ones and better start form the official sources.
Candidate of 1Z0-071 Certification exam may have the following weaknesses
The candidate must be prepared to spend some time studying the various technologies and trends that are important in their industry. For some candidates, they may not gain an understanding of everything they need to know; therefore, requiring them to spend additional time studying. The material provided by Oracle is not always up-to-date; therefore, requiring the candidate to visit other sites to study the latest information. If the candidate does not do well on previous exams (or feels like they did poorly), this could cause a hindrance in their certification goals. Oracle can be a little tough on the candidate, but this is good for the candidate because it ensures that they are prepared to take on whatever challenges that may come their way. You can solve mock and practicetest of the Oracle 1Z0-071 Dumps for having the accurate scenario of actualexam environments.
Oracle 1z0-071日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Controlling User Access | - System and object privileges - Roles, granting and revoking privileges | |
| Relational Database Concepts | 10% | - Relationship between database and SQL - Theoretical and physical aspects of relational databases - ERD and SQL statement mapping |
| Aggregating Data Using Group Functions | 10% | - SUM, AVG, COUNT, MAX, MIN functions - Handling NULLs in group functions - GROUP BY and HAVING clauses |
| Managing Indexes, Synonyms and Sequences | - Create and use sequences - Create and maintain indexes - Create and use synonyms | |
| Manipulating Data and Managing Transactions | - INSERT, UPDATE, DELETE, MERGE statements - Multi-table inserts - Transaction control: COMMIT, ROLLBACK, SAVEPOINT | |
| Using Subqueries to Solve Queries | - Single-row and multi-row subqueries - Correlated subqueries for update/delete | |
| Working with Time Zones and Date/Time Data | - TIMESTAMP, INTERVAL data types - Time zone conversion functions | |
| Retrieving Data Using SQL SELECT Statement | 20% | - SELECT statement syntax and usage - Column aliases, concatenation, literals and DISTINCT - Arithmetic operations and NULL handling |
| Using Data Dictionary Views | - Retrieve metadata and object information | |
| 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 |
| Using SET Operators | - Ordering results with set operations - UNION, UNION ALL, INTERSECT, MINUS operators | |
| Managing Tables and Constraints | - Temporary and external tables - Data types, creating/altering/dropping tables - Constraints: primary key, foreign key, unique, check, not null | |
| Using Single-Row Functions to Customize Output | 20% | - Nested functions usage - Character, number, and date functions |
| Displaying Data from Multiple Tables | 15% | - Cartesian products - Self-joins and outer joins - Equijoins and non-equijoins |
| Managing Views | - Create, modify and drop views - Updatable and read-only views | |
| Restricting and Sorting Data | 15% | - Operator precedence - ORDER BY clause and sorting rules - WHERE clause and filtering conditions - Substitution variables, DEFINE and VERIFY commands |
