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Oracle 1Z0-071 Certification Exam Reference
The Oracle 1Z0-071 is a certification exam that proves the candidate’s knowledge of SQL technology and SQL concepts required to participate in any database project. The target audience for this exam is the IT professionals with some experience in working with these technologies. The fundamental knowledge of general computing concepts and command line interfaces will be an advantage as well.
Target Audience
The Oracle 1Z0-071 exam is designed for those professionals who have some level of experience in operating with Oracle SQL and PL/SQL technologies and want to improve their expertise to perform the job roles of a Database Administrator or a Developer.
Oracle 1z0-071日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| 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 |
| Managing Tables and Constraints | - Data types, creating/altering/dropping tables - Temporary and external tables - Constraints: primary key, foreign key, unique, check, not null | |
| Controlling User Access | - Roles, granting and revoking privileges - System and object privileges | |
| Using SET Operators | - Ordering results with set operations - UNION, UNION ALL, INTERSECT, MINUS operators | |
| Restricting and Sorting Data | 15% | - WHERE clause and filtering conditions - Operator precedence - Substitution variables, DEFINE and VERIFY commands - ORDER BY clause and sorting rules |
| Managing Views | - Updatable and read-only views - Create, modify and drop views | |
| Managing Indexes, Synonyms and Sequences | - Create and use synonyms - Create and use sequences - Create and maintain indexes | |
| Using Subqueries to Solve Queries | - Single-row and multi-row subqueries - Correlated subqueries for update/delete | |
| Relational Database Concepts | 10% | - Theoretical and physical aspects of relational databases - Relationship between database and SQL - ERD and SQL statement mapping |
| Aggregating Data Using Group Functions | 10% | - GROUP BY and HAVING clauses - SUM, AVG, COUNT, MAX, MIN functions - Handling NULLs in group functions |
| Retrieving Data Using SQL SELECT Statement | 20% | - SELECT statement syntax and usage - Arithmetic operations and NULL handling - Column aliases, concatenation, literals and DISTINCT |
| Manipulating Data and Managing Transactions | - Transaction control: COMMIT, ROLLBACK, SAVEPOINT - Multi-table inserts - INSERT, UPDATE, DELETE, MERGE statements | |
| 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 |
| Working with Time Zones and Date/Time Data | - Time zone conversion functions - TIMESTAMP, INTERVAL data types | |
| Displaying Data from Multiple Tables | 15% | - Self-joins and outer joins - Cartesian products - Equijoins and non-equijoins |
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