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The 1Z0-071 Certification Exam is an Oracle Certification. It covers understanding and managing relational databases, designing and developing database models, administering databases, developing SQL statements to extract information from DBMS tables for reporting purposes, etc.
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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.
- 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.
- 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.
- 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 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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 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.
Oracle 1z0-071 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Restricting and Sorting Data | 6% | - Sort the rows that are retrieved by a query - Use DEFINE and UNDEFINE commands - Limit the rows that are retrieved by a query - Use ampersand substitution to restrict and sort output at runtime |
| Topic 2: Working with Oracle Database SQL | 8% | - Create a container database - Start up and shut down a database - Describe the Oracle Database architecture - Explain the installation of Oracle Database software |
| Topic 3: Manipulating Data | 14% | - Delete rows from a table - Update rows in a table - Describe each data manipulation language (DML) statement - Control transactions - Insert rows into a table |
| Topic 4: Using Conversion Functions and Conditional Expressions | 10% | - Describe implicit and explicit data type conversion - Apply the NVL, NULLIF, and COALESCE functions to data - Use conditional IF THEN ELSE logic in a SELECT statement - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions |
| Topic 5: 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 |
| Topic 6: Creating Other Schema Objects | 10% | - Create, maintain, and use sequences - Create synonyms for database objects - Create, modify, and retrieve data from a view - Create and maintain indexes |
| Topic 7: Using DDL Statements to Create and Manage Tables | 14% | - Describe the data types that are available for columns - Review the table structure - Alter table definitions - Categorize the main database objects - Create a simple table - Drop, rename, and truncate tables |
| Topic 8: Reporting Aggregated Data Using Group Functions | 15% | - Describe the use of group functions - Identify the available group functions - Include or exclude grouped rows by using the HAVING clause - Group data by using the GROUP BY clause |
| Topic 9: Displaying Data from Multiple Tables Using Joins | 15% | - View data that does not meet a join condition by using outer joins - Cross join tables - Join a table to itself by using a self-join - Write SELECT statements to access data from more than one table using equijoins and non-equijoins |
| Topic 10: Using Subqueries to Solve Queries | 15% | - Describe the types of problems that subqueries can solve - List the types of subqueries - Define subqueries - Write single-row and multi-row subqueries |
| Topic 11: Controlling User Access | 5% | - Distinguish between granting privileges and roles - Grant privileges on tables and on a view - Differentiate system privileges from object privileges |
| Topic 12: Using Single-Row Functions to Customize Output | 10% | - Manipulate numbers with the ROUND, TRUNC, and MOD functions - Perform arithmetic with date data - Describe the differences between single-row and multiple-row functions - Manipulate dates with the date functions - Manipulate strings with character function in the SELECT and WHERE clauses |
| Topic 13: Retrieving Data Using the SQL SELECT Statement | 5% | - List the capabilities of SQL SELECT statements - Execute a basic SELECT statement - Differentiate between SQL statements and SQL*Plus commands |
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