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!
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Details for 1Z0-071
The 1Z0-071 exam contains about 78 questions and takes 2 hours for the applicants to complete all of them. There are mainly multiple-choice questions that cover a huge list of topics that include the following:
- Relational Database Concepts;
- Managing Tables and their Relationships by Using DML and DDL.
- Managing Data in Different Time Zones;
- Using Conditional Expressions as well as Conversion Functions;
- Controlling User Access;
- Restricting and Sorting Data;
Therefore, the first thing a responsible candidate should do is find a complete list of exam topics on the official Oracle webpage. Insofar as to be the Oracle Database SQL certified you must demonstrate a solid knowledge of how to model data and skills in using the SQL language to create and manipulate tables in the Oracle Database.
The passing score for this exam is 63%. It is even possible to take it in Spanish, not only the English language is available. To register for the test, simply go to your account at Pearson VUE and select your exam and don’t forget that you need to buy a voucher from the Oracle site. Follow the instructions to complete the registration process. The 1Z0-071 exam will cost you $245.
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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:
- 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 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.
- 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.
- 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 Indexes Synonyms & Sequences: This domain focuses on such technical skills as handling indexes; handling sequences as well as handling synonyms.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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 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.
- 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.
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Oracle 1z0-071日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Creating Other Schema Objects | 10% | - Create and maintain indexes - Create, modify, and retrieve data from a view - Create, maintain, and use sequences - Create synonyms for database objects |
| Using Set Operators | 5% | - Describe set operators - Use a set operator to combine multiple queries into a single query - Describe the order of precedence when the set operators are used |
| Displaying Data from Multiple Tables Using Joins | 15% | - Join a table to itself by using a self-join - Cross join tables - View data that does not meet a join condition by using outer joins - Write SELECT statements to access data from more than one table using equijoins and non-equijoins |
| Reporting Aggregated Data Using Group Functions | 15% | - Describe the use of group functions - Include or exclude grouped rows by using the HAVING clause - Identify the available group functions - Group data by using the GROUP BY clause |
| Using DDL Statements to Create and Manage Tables | 14% | - Create a simple table - Drop, rename, and truncate tables - Review the table structure - Alter table definitions - Describe the data types that are available for columns - Categorize the main database objects |
| Using Conversion Functions and Conditional Expressions | 10% | - Describe implicit and explicit data type conversion - Use conditional IF THEN ELSE logic in a SELECT statement - Apply the NVL, NULLIF, and COALESCE functions to data - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions |
| Using Subqueries to Solve Queries | 15% | - Define subqueries - List the types of subqueries - Describe the types of problems that subqueries can solve - Write single-row and multi-row subqueries |
| Using Single-Row Functions to Customize Output | 10% | - Describe the differences between single-row and multiple-row functions - Perform arithmetic with date data - Manipulate strings with character function in the SELECT and WHERE clauses - Manipulate dates with the date functions - Manipulate numbers with the ROUND, TRUNC, and MOD functions |
| Controlling User Access | 5% | - Distinguish between granting privileges and roles - Differentiate system privileges from object privileges - Grant privileges on tables and on a view |
| Retrieving Data Using the SQL SELECT Statement | 5% | - Execute a basic SELECT statement - Differentiate between SQL statements and SQL*Plus commands - List the capabilities of SQL SELECT statements |
| Manipulating Data | 14% | - Update rows in a table - Delete rows from a table - Insert rows into a table - Describe each data manipulation language (DML) statement - Control transactions |
| Restricting and Sorting Data | 6% | - Sort the rows that are retrieved by a query - Use DEFINE and UNDEFINE commands - Use ampersand substitution to restrict and sort output at runtime - Limit the rows that are retrieved by a query |
| Working with Oracle Database SQL | 8% | - Explain the installation of Oracle Database software - Describe the Oracle Database architecture - Start up and shut down a database - Create a container database |
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