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Exam Topics
The Oracle 1Z0-071 exam checks the candidates’ expertise in a wide range of technical areas. The description of each topic included in this certification test is outlined below:
- Managing Views: This area comes with the abilities, such as differentiating object privileges from system privileges; granting privileges on tables; distinguishing between granting roles and privileges.
- Retrieving Data with the Help of the SQL SELECT Statement: This domain includes the following technical skills: utilizing column aliases; utilizing the SQL SELECT statement; utilizing literal character strings, replacement quote operator, the DISTINCT keyword, concatenation operator; utilizing arithmetic expressions as well as NULL values within the SELECT statement.
- Managing Indexes Synonyms & Sequences: This domain focuses on such technical skills as handling indexes; handling sequences as well as handling synonyms.
- Reporting Aggregated Data with the Help of Group Functions: This includes such technical abilities as restricting group results; creating data groups; utilizing group functions.
- Managing Tables with the Help of DML Statements: Here, the individuals should know how to manage database transactions; control transactions; implement update, delete, and insert, operations; execute multi-table inserts; execute merge statements.
- Showcasing Data from Multiple Tables: In the framework of this area, the examinees need to prove their proficiency in utilizing self-joins; utilizing different joins types; utilizing non equijoins; utilizing OUTER joins; describing and utilizing Cartesian products.
- Sorting & Restricting Data: Here, the applicants must be conversant with implementing precedence rules for the operators within an expression; restricting Rows Returned within the SQL Statement; utilizing Substitution Variables; utilizing VERIFY as well as DEFINE commands.
- Using Single-Row Functions to Configure Output: The topic encompasses one’s skills in manipulating strings with the character functions within the SQL SELECT as well as WHERE clauses; implementing arithmetic using date data; manipulating numbers with MOD, TRUNC, and ROUND functions; manipulating dates using the date function.
- Using DDL to Handle Tables and Their Relationships: The subject requires the candidates’ skills in explaining and operating with tables; explaining and operating with data types and columns; creating tables; dropping columns as well as setting column UNUSED; truncating tables; creating and utilizing temporary tables; creating and utilizing external tables; handling constraints.
- Using SET Operators: To tackle the question from this sector, the students need to have expertise in matching the SELECT statements; utilizing the ORDER BY clause within set operations; utilizing the INTERSECT operator; utilizing the MINUS operator; utilizing the UNION as well as UNION ALL operators.
- Using Conversion Functions & Conditional Expressions: In the framework of this domain, the learners should prove that they are able to apply the COALESCE, NULLIF, NVL functions to data; understand implicit as well as explicit data type conversion; utilize the TO_NUMBER, TO_DATE, and TO_CHAR conversion functions; nest multiple functions.
- Using Subqueries to Solve Queries: The skills covered in this topic include utilizing single row subqueries; upgrading and deleting rows with the help of correlated subqueries; utilizing multiple-row subqueries.
- Understanding Relational Database Concepts: Within this objective, the test takers should demonstrate that they are capable of describing both physical and theoretical relation database aspects; associating the clauses within SQL Select Statement with the ERD components; describing the link between SQL and a database.
- Managing Data in Different Time Zones: The topic requires that the applicants possess competency in operating with CURRENT_TIMESTAMP, LOCALTIMESTAMP, and CURRENT_DATE, as well as dealing with INTERVAL data types.
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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.
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Oracle 1z0-071日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Using Data Dictionary Views | - Retrieve metadata and object information | |
| Using Subqueries to Solve Queries | - Single-row and multi-row subqueries - Correlated subqueries for update/delete | |
| 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 | - TIMESTAMP, INTERVAL data types - Time zone conversion functions | |
| Displaying Data from Multiple Tables | 15% | - Self-joins and outer joins - Cartesian products - Equijoins and non-equijoins |
| Restricting and Sorting Data | 15% | - ORDER BY clause and sorting rules - Substitution variables, DEFINE and VERIFY commands - WHERE clause and filtering conditions - Operator precedence |
| Retrieving Data Using SQL SELECT Statement | 20% | - SELECT statement syntax and usage - Column aliases, concatenation, literals and DISTINCT - Arithmetic operations and NULL handling |
| Managing Views | - Updatable and read-only views - Create, modify and drop views | |
| Relational Database Concepts | 10% | - ERD and SQL statement mapping - Relationship between database and SQL - Theoretical and physical aspects of relational databases |
| Controlling User Access | - Roles, granting and revoking privileges - System and object privileges | |
| Aggregating Data Using Group Functions | 10% | - SUM, AVG, COUNT, MAX, MIN functions - Handling NULLs in group functions - GROUP BY and HAVING clauses |
| Using SET Operators | - UNION, UNION ALL, INTERSECT, MINUS operators - Ordering results with set operations | |
| Using Single-Row Functions to Customize Output | 20% | - Character, number, and date functions - Nested functions usage |
| Managing Indexes, Synonyms and Sequences | - Create and use synonyms - Create and use sequences - Create and maintain indexes | |
| Managing Tables and Constraints | - Constraints: primary key, foreign key, unique, check, not null - Temporary and external tables - Data types, creating/altering/dropping tables | |
| Manipulating Data and Managing Transactions | - Transaction control: COMMIT, ROLLBACK, SAVEPOINT - INSERT, UPDATE, DELETE, MERGE statements - Multi-table inserts |
