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| Section | Objectives |
|---|---|
| Reporting Aggregated Data Using the Group Functions | - Use the GROUP BY clause to group data - Describe group functions (AVG, SUM, MIN, MAX, COUNT) - Use the HAVING clause to filter grouped data |
| 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 |
| Understanding Oracle Database Architecture - Database Storage Structures | - Manage space in tablespaces - Create and manage tablespaces - Describe tablespaces and data files - Describe the logical and physical database structures |
| Using Single-Row Functions to Customize Output | - Describe various types of functions available in SQL - Use CASE and DECODE for conditional expressions - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) - Use character, number, and date functions in SELECT statements |
| 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 - Identify the prerequisites for Exadata Express Cloud Service - Provision and manage an Exadata Express Cloud Service instance |
| Managing Oracle Database Instances | - Manage initialization parameter files (SPFILE, PFILE) - Use the Automatic Diagnostic Repository (ADR) - View the alert log and access dynamic performance views - Start up and shut down an Oracle Database instance |
| Using Subqueries to Solve Queries | - Describe the types of subqueries (single-row, multi-row, multiple-column) - Use subqueries in the WHERE clause and HAVING clause - Define subqueries - Use single-row subqueries with single-row and multiple-row operators - Use scalar subqueries in SQL - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) |
| Displaying Data from Multiple Tables Using Joins | - Use Equijoins and Non-equijoins - Describe different types of joins and their features - Use CROSS joins - Use OUTER joins (LEFT, RIGHT, FULL) - Join a table to itself using self-join |
| Understanding Oracle Database Architecture - Oracle Database Instance | - Understand Oracle Database instance management - Describe the background processes - Explain the memory structures (SGA, PGA) |
| Introduction to Oracle Database | - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Explain Oracle Database server architecture - Describe Oracle Database Cloud Service (DBCS) architecture and features - Describe Oracle Database architecture - Describe Oracle Database instance and memory structures - Explain database storage structures (data blocks, segments, tablespaces, data files) |
| Restricting and Sorting Data | - Use comparison operators and logical operators (AND, OR, NOT) - Use the WHERE clause to limit retrieved rows - Use the BETWEEN comparator - Sort data using the ORDER BY clause - Use the LIKE and IN operators - Use the NULL operators (IS NULL, IS NOT NULL) |
| Managing Users, Roles, and Privileges | - Create and manage roles - Differentiate system privileges and object privileges - Grant and revoke privileges - Create and manage database user accounts |
| Using Conversion Functions and Conditional Expressions | - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Use nested functions - Apply the NVL, NULLIF, and COALESCE functions - Use the CAST function for data type conversion |
| Retrieving Data using the SQL SELECT Statement | - List the capabilities of SQL SELECT statements - Use scalar and correlated subqueries - Use SQL row functions (character, number, date, conversion, general) - Use the ORDER BY clause - Describe how schema objects work - Execute a basic SELECT statement |
| Using the Set Operators | - Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) |
| Managing Data in Different Time Zones | - Use various datetime data types (DATE, TIMESTAMP, INTERVAL) - Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP) - Explain the concepts of time zones and daylight savings |
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NEW QUESTION # 46
The ORCL database has RESUMABLE__TIMEOUT = 7200 and DEFERRED_SEGMENT_CREATION = FALSE User U1 has a 1 MB quota in tablespace DATA.
U1 executes this command:
SQL> CREATE TABLE t1 AS
(SELECT object_name, sharing, created
FROM dba_objects);
U1 complains that the command is taking too long to execute.
In the alert log, the database administrator (DBA) finds this:
2017/3/6 14:45:17
statement in resumable session 'User U1(136), Session 1, Instance 1' was suspended due to ORA-01536: space quota exceeded for tablespace 'DATA' Which are three actions any one of which the DBA could take to resume the session? (Choose three.)
Answer: B,C,D
NEW QUESTION # 47
Which statement is true about the INTERSECT operator used in compound queries?
Answer: D
NEW QUESTION # 48
Which two statements are true about the PMON background process? (Choose two.)
Answer: B,E
Explanation:
https://docs.oracle.com/cd/B19306_01/server.102/b14220/process.htm
NEW QUESTION # 49
Which three statements are true about Deferred Segment Creation in Oracle databases?
Answer: A,B,D
NEW QUESTION # 50
Which two are true about Oracle recovery and data protection solutions? (Choose two.)
Answer: A,D
NEW QUESTION # 51
......
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