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| Section | Objectives |
|---|---|
| Retrieving Data using the SQL SELECT Statement | - Execute a basic SELECT statement - Use the ORDER BY clause - Use scalar and correlated subqueries - List the capabilities of SQL SELECT statements - Describe how schema objects work - Use SQL row functions (character, number, date, conversion, general) |
| Understanding Oracle Database Architecture - Database Storage Structures | - Create and manage tablespaces - Manage space in tablespaces - Describe tablespaces and data files - Describe the logical and physical database structures |
| Using Subqueries to Solve Queries | - Use subqueries in the WHERE clause and HAVING clause - Use scalar subqueries in SQL - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Define subqueries - Describe the types of subqueries (single-row, multi-row, multiple-column) - Use single-row subqueries with single-row and multiple-row operators |
| Working with Oracle Cloud Exadata Express Cloud Service | - Identify the prerequisites for Exadata Express Cloud Service - Provision and manage an Exadata Express Cloud Service instance - Navigate the Exadata Express Cloud Service console - Describe the features and benefits of Exadata Express Cloud Service |
| Using the Set Operators | - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) - Use set operators to combine multiple queries into a single query |
| Displaying Data from Multiple Tables Using Joins | - Use OUTER joins (LEFT, RIGHT, FULL) - Join a table to itself using self-join - Use CROSS joins - Describe different types of joins and their features - Use Equijoins and Non-equijoins |
| Managing Data in Different Time Zones | - Explain the concepts of time zones and daylight savings - Use various datetime data types (DATE, TIMESTAMP, INTERVAL) - Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP) |
| Using Conversion Functions and Conditional Expressions | - Use the CAST function for data type conversion - Use nested functions - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Apply the NVL, NULLIF, and COALESCE functions |
| Reporting Aggregated Data Using the Group Functions | - Use the GROUP BY clause to group data - Use the HAVING clause to filter grouped data - Describe group functions (AVG, SUM, MIN, MAX, COUNT) |
| Restricting and Sorting Data | - Use the NULL operators (IS NULL, IS NOT NULL) - Use the WHERE clause to limit retrieved rows - Use comparison operators and logical operators (AND, OR, NOT) - Use the BETWEEN comparator - Use the LIKE and IN operators - Sort data using the ORDER BY clause |
| Understanding Oracle Database Architecture - Oracle Database Instance | - Describe the background processes - Understand Oracle Database instance management - Explain the memory structures (SGA, PGA) |
| Introduction to Oracle Database | - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Explain database storage structures (data blocks, segments, tablespaces, data files) - Explain Oracle Database server architecture - Describe Oracle Database instance and memory structures - Describe Oracle Database Cloud Service (DBCS) architecture and features - Describe Oracle Database architecture |
| 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 |
| Managing Oracle Database Instances | - Start up and shut down an Oracle Database instance - Manage initialization parameter files (SPFILE, PFILE) - Use the Automatic Diagnostic Repository (ADR) - View the alert log and access dynamic performance views |
| Managing Users, Roles, and Privileges | - Create and manage roles - Create and manage database user accounts - Grant and revoke privileges - Differentiate system privileges and object privileges |
| Managing Schema Objects | - Manage sequences and synonyms - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Create and modify tables - Create indexes and views |
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NEW QUESTION # 57
In the spfile of a single instance database, LOCAL_LISTENER is set to LISTENER_1.
The TNSNAMES.ORA file in $ORACLE_HOME/network/admin in the database home contains:
Which statement is true?
Answer: D
NEW QUESTION # 58
Examine this command:
Which two statements are true? (Choose two.)
Answer: C,D
NEW QUESTION # 59
In your data center, Oracle Managed Files (OMF) is used for all databases.
All tablespaces are smallfile tablespaces.
SALES_Q1 is a permanent user-defined tablespace in the SALES database.
Examine this command which is about to be issued by a DBA logged in to the SALES database:
ALTER TABLESPACE sales_q1 ADD DATAFILE;
Which are two actions, either one of which you could take to ensure that the command executes successfully? (Choose two.)
Answer: A,D
NEW QUESTION # 60
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:
2017-03-06T12:15:17.183438+05:30
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: C,E,F
NEW QUESTION # 61
Which three statements are true about table data storage in an Oracle Database? (Choose three.)
Answer: D,E,F
Explanation:
Explanation/Reference: https://books.google.com.pk/books?id=lNtVjrmbzckC&pg=PA267&lpg=PA267&dq=Multiple+row
+pieces+from+the+same+row+may+be+stored+in+different+database
+blocks&source=bl&ots=lEIhFe2Q52&sig=ACfU3U1TETJPy194pARxfIJ5ROaQdySCMQ&hl=en&sa=X&ved=2 ahUKEwivveLa97_mAhWOzaQKHahYAVEQ6AEwAnoECAoQAQ#v=onepage&q=Multiple%20row%20pieces
%20from%20the%20same%20row%20may%20be%20stored%20in%20different%20database%
20blocks&f=false
NEW QUESTION # 62
......
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