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| Section | Objectives |
|---|---|
| Managing Oracle Database Instances | - Manage initialization parameter files (SPFILE, PFILE) - View the alert log and access dynamic performance views - Start up and shut down an Oracle Database instance - Use the Automatic Diagnostic Repository (ADR) |
| Managing Data in Different Time Zones | - Use various datetime data types (DATE, TIMESTAMP, INTERVAL) - Explain the concepts of time zones and daylight savings - Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP) |
| Working with Oracle Cloud Exadata Express Cloud Service | - Navigate the Exadata Express Cloud Service console - Provision and manage an Exadata Express Cloud Service instance - Describe the features and benefits of Exadata Express Cloud Service - Identify the prerequisites for Exadata Express Cloud Service |
| Restricting and Sorting Data | - Use the LIKE and IN operators - Use the BETWEEN comparator - Use comparison operators and logical operators (AND, OR, NOT) - Sort data using the ORDER BY clause - Use the NULL operators (IS NULL, IS NOT NULL) - Use the WHERE clause to limit retrieved rows |
| Understanding Oracle Database Architecture - Database Storage Structures | - Describe tablespaces and data files - Create and manage tablespaces - Manage space in tablespaces - Describe the logical and physical database structures |
| Using Conversion Functions and Conditional Expressions | - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Use nested functions - Use the CAST function for data type conversion - Apply the NVL, NULLIF, and COALESCE functions |
| Managing Users, Roles, and Privileges | - Create and manage roles - Grant and revoke privileges - Differentiate system privileges and object privileges - Create and manage database user accounts |
| Using Single-Row Functions to Customize Output | - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) - Use character, number, and date functions in SELECT statements - Describe various types of functions available in SQL - Use CASE and DECODE for conditional expressions |
| Reporting Aggregated Data Using the Group Functions | - Use the HAVING clause to filter grouped data - Describe group functions (AVG, SUM, MIN, MAX, COUNT) - Use the GROUP BY clause to group data |
| Displaying Data from Multiple Tables Using Joins | - Use CROSS joins - Use OUTER joins (LEFT, RIGHT, FULL) - Use Equijoins and Non-equijoins - Join a table to itself using self-join - Describe different types of joins and their features |
| Using Subqueries to Solve Queries | - Describe the types of subqueries (single-row, multi-row, multiple-column) - Use single-row subqueries with single-row and multiple-row operators - Define subqueries - Use scalar subqueries in SQL - Use subqueries in the WHERE clause and HAVING clause - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) |
| Understanding Oracle Database Architecture - Oracle Database Instance | - Describe the background processes - Understand Oracle Database instance management - Explain the memory structures (SGA, PGA) |
| Managing Schema Objects | - Create indexes and views - Create and modify tables - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Manage sequences and synonyms |
| Using the Set Operators | - Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) |
| Retrieving Data using the SQL SELECT Statement | - Use scalar and correlated subqueries - Use the ORDER BY clause - Use SQL row functions (character, number, date, conversion, general) - Describe how schema objects work - List the capabilities of SQL SELECT statements - Execute a basic SELECT statement |
| Introduction to Oracle Database | - Describe Oracle Database Cloud Service (DBCS) architecture and features - Describe Oracle Database instance and memory structures - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Explain Oracle Database server architecture - Describe Oracle Database architecture - Explain database storage structures (data blocks, segments, tablespaces, data files) |
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NEW QUESTION # 14
Which three statements are true about advanced connection options supported by Oracle Net for connection to Oracle Database instances? (Choose three.)
Answer: A,B,E
NEW QUESTION # 15
You execute this command:
Sufficient storage is available in filesystem /u01.
Which two statements are true about the BIG_TBStablespace? (Choose two.)
Answer: B,D
NEW QUESTION # 16
In which three situations does a new transaction always start? (Choose three.)
Answer: A,B,E
Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/19/cncpt/transactions.html#GUID-7690181F-8293-47B9-ADC1-905BD9C3AF57
NEW QUESTION # 17
Which three statements are true about the tools used to configure Oracle Net Services? (Choose three.)
Answer: C,E,F
NEW QUESTION # 18
Your database instance is started with a PFILE.
Examine these parameters:
You want to increase the size of the buffer cache.
Free memory is available to increase the size of the buffer cache.
You execute the command:
SQL> ALTER SYSTEM SET DB_CACHE_SIZE=1024M;
What is the outcome?
Answer: B
Explanation:
Explanation/Reference: https://docs.oracle.com/database/121/SQLRF/statements_2017.htm#SQLRF00902
NEW QUESTION # 19
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