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| Section | Objectives |
|---|---|
| Displaying Data from Multiple Tables Using Joins | - Join a table to itself using self-join - Use CROSS joins - Use Equijoins and Non-equijoins - Use OUTER joins (LEFT, RIGHT, FULL) - Describe different types of joins and their features |
| Working with Oracle Cloud Exadata Express Cloud Service | - Describe the features and benefits of Exadata Express Cloud Service - Navigate the Exadata Express Cloud Service console - Provision and manage an Exadata Express Cloud Service instance - Identify the prerequisites for Exadata Express Cloud Service |
| Understanding Oracle Database Architecture - Oracle Database Instance | - Describe the background processes - Understand Oracle Database instance management - Explain the memory structures (SGA, PGA) |
| Managing Oracle Database Instances | - Use the Automatic Diagnostic Repository (ADR) - Start up and shut down an Oracle Database instance - Manage initialization parameter files (SPFILE, PFILE) - View the alert log and access dynamic performance views |
| Using Conversion Functions and Conditional Expressions | - Apply the NVL, NULLIF, and COALESCE functions - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Use nested functions - Use the CAST function for data type conversion |
| Using the Set Operators | - Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) |
| Restricting and Sorting Data | - Use the BETWEEN comparator - Use comparison operators and logical operators (AND, OR, NOT) - Use the LIKE and IN operators - Use the NULL operators (IS NULL, IS NOT NULL) - Sort data using the ORDER BY clause - Use the WHERE clause to limit retrieved rows |
| Reporting Aggregated Data Using the Group Functions | - Use the HAVING clause to filter grouped data - Use the GROUP BY clause to group data - Describe group functions (AVG, SUM, MIN, MAX, COUNT) |
| Introduction to Oracle Database | - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Explain Oracle Database server architecture - Explain database storage structures (data blocks, segments, tablespaces, data files) - Describe Oracle Database instance and memory structures - Describe Oracle Database Cloud Service (DBCS) architecture and features - Describe Oracle Database architecture |
| Understanding Oracle Database Architecture - Database Storage Structures | - Create and manage tablespaces - Manage space in tablespaces - Describe the logical and physical database structures - Describe tablespaces and data files |
| Managing Schema Objects | - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Create and modify tables - Create indexes and views - Manage sequences and synonyms |
| Managing Users, Roles, and Privileges | - Grant and revoke privileges - Create and manage database user accounts - Create and manage roles - Differentiate system privileges and object privileges |
| Managing Data in Different Time Zones | - Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP) - Explain the concepts of time zones and daylight savings - Use various datetime data types (DATE, TIMESTAMP, INTERVAL) |
| Using Single-Row Functions to Customize Output | - Describe various types of functions available in SQL - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) - Use CASE and DECODE for conditional expressions - Use character, number, and date functions in SELECT statements |
| Using Subqueries to Solve Queries | - Use subqueries in the WHERE clause and HAVING clause - Describe the types of subqueries (single-row, multi-row, multiple-column) - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Define subqueries - Use single-row subqueries with single-row and multiple-row operators - Use scalar subqueries in SQL |
| Retrieving Data using the SQL SELECT Statement | - List the capabilities of SQL SELECT statements - Use the ORDER BY clause - Use scalar and correlated subqueries - Execute a basic SELECT statement - Use SQL row functions (character, number, date, conversion, general) - Describe how schema objects work |
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NEW QUESTION # 112
Which two statements are true about Enterprise Manager Database Express? (Choose two.)
Answer: B,E
NEW QUESTION # 113
A user complains about poor database performance. You suspect that the user's session is waiting for an event to complete.
You want to verify this.
Which two views may reveal for what the user's session is currently waiting? (Choose two.)
Answer: A,B
NEW QUESTION # 114
Which three statements are true about single-row functions? (Choose three.)
Answer: A,C,F
Explanation:
https://www.tutorialspoint.com/sql_certificate/using_single_row_functions_questions.htm
NEW QUESTION # 115
Which three instance situations are possible with the Oracle Database server without multi-tenant? (Choose three.)
Answer: C,D,E
NEW QUESTION # 116
Which two are true about RETENTION GUARANTEE? (Choose two.)
Answer: A,E
NEW QUESTION # 117
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