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| Section | Objectives |
|---|---|
| Topic 1: Using Conversion Functions and Conditional Expressions | - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Apply the NVL, NULLIF, and COALESCE functions - Use the CAST function for data type conversion - Use nested functions |
| Topic 2: Managing Oracle Database Instances | - View the alert log and access dynamic performance views - Start up and shut down an Oracle Database instance - Use the Automatic Diagnostic Repository (ADR) - Manage initialization parameter files (SPFILE, PFILE) |
| Topic 3: Understanding Oracle Database Architecture - Oracle Database Instance | - Describe the background processes - Understand Oracle Database instance management - Explain the memory structures (SGA, PGA) |
| Topic 4: Managing Schema Objects | - Create indexes and views - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Manage sequences and synonyms - Create and modify tables |
| Topic 5: Understanding Oracle Database Architecture - Database Storage Structures | - Create and manage tablespaces - Describe tablespaces and data files - Describe the logical and physical database structures - Manage space in tablespaces |
| Topic 6: Displaying Data from Multiple Tables Using Joins | - Describe different types of joins and their features - Use Equijoins and Non-equijoins - Use CROSS joins - Use OUTER joins (LEFT, RIGHT, FULL) - Join a table to itself using self-join |
| Topic 7: Managing Data in Different Time Zones | - Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP) - Use various datetime data types (DATE, TIMESTAMP, INTERVAL) - Explain the concepts of time zones and daylight savings |
| Topic 8: Using Single-Row Functions to Customize Output | - Use character, number, and date functions in SELECT statements - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) - Use CASE and DECODE for conditional expressions - Describe various types of functions available in SQL |
| Topic 9: Retrieving Data using the SQL SELECT Statement | - Execute a basic SELECT statement - Use scalar and correlated subqueries - Use SQL row functions (character, number, date, conversion, general) - Describe how schema objects work - List the capabilities of SQL SELECT statements - Use the ORDER BY clause |
| Topic 10: Using the Set Operators | - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) - Use set operators to combine multiple queries into a single query |
| Topic 11: 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) |
| Topic 12: Managing Users, Roles, and Privileges | - Create and manage roles - Create and manage database user accounts - Differentiate system privileges and object privileges - Grant and revoke privileges |
| Topic 13: Introduction to Oracle Database | - Explain database storage structures (data blocks, segments, tablespaces, data files) - Describe Oracle Database architecture - 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 |
| Topic 14: Working with Oracle Cloud Exadata Express Cloud Service | - Identify the prerequisites for Exadata Express Cloud Service - Navigate the Exadata Express Cloud Service console - Describe the features and benefits of Exadata Express Cloud Service - Provision and manage an Exadata Express Cloud Service instance |
| Topic 15: Using Subqueries to Solve Queries | - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Use scalar subqueries in SQL - Use subqueries in the WHERE clause and HAVING clause - Describe the types of subqueries (single-row, multi-row, multiple-column) - Define subqueries - Use single-row subqueries with single-row and multiple-row operators |
| Topic 16: Restricting and Sorting Data | - Use the BETWEEN comparator - Use the WHERE clause to limit retrieved rows - Use the LIKE and IN operators - Sort data using the ORDER BY clause - Use the NULL operators (IS NULL, IS NOT NULL) - Use comparison operators and logical operators (AND, OR, NOT) |
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NEW QUESTION # 55
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: B,D,F
NEW QUESTION # 56
In which three situations does a new transaction always start? (Choose three.)
Answer: A,D,F
Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/19/cncpt/transactions.html#GUID-7690181F-8293-47B9-ADC1-905BD9C3AF57
NEW QUESTION # 57
You execute this command:
During the export operation, you detach from the job by using CTRL+C and then execute this command:
Export> STOP_JOB=immediate
Are you sure you wish to stop the job ([yes]/no): yes
Which two statements are true about the job? (Choose two.)
Answer: A,D
Explanation:
Explanation/Reference: https://blog.oracle48.nl/killing-and-resuming-datapump-expdp-and-impdp-jobs/
NEW QUESTION # 58
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: A
Explanation:
The listener forwards client requests to supported services. These services are dynamically registered with the listener. This dynamic registration feature is called service registration. The registration is performed by the Listener Registration (LREG) process. Dynamic service registration does not require any manual configuration in the listener.ora file.
Reference:
https://docs.oracle.com/database/121/NETAG/listenercfg.htm#NETAG292
https://docs.oracle.com/database/121/NETAG/listenercfg.htm#NETAG292
NEW QUESTION # 59
Which two statements are true about Enterprise Manager Database Express? (Choose two.)
Answer: A,B
NEW QUESTION # 60
......
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