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Title: [Q87-Q108] Ultimate Guide to Prepare 1Z0-082 with Accurate PDF Questions [Aug 10, 2024]

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 Ultimate Guide to Prepare 1Z0-082 with Accurate PDF Questions [Aug 10, 2024]
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Oracle 1Z0-082 exam, also known as Oracle Database Administration I, is a certification exam designed for database administrators who want to validate their knowledge and skills in managing and maintaining Oracle databases. 1Z0-082 exam is a part of the Oracle Certified Administrator (OCA) certification track and covers a wide range of topics related to database administration, including database architecture, installation and configuration, backup and recovery, security, and performance tuning.
 


NO.87 Which two statements are true about the rules of precedence for operators? (Choose two.)
 The concatenation operator | | is always evaluated before addition and subtraction in an expression
 NULLS influence the precedence of operators in an expression
 The + binary operator has the highest precedence in an expression in a SQL statement
 Arithmetic operators with equal precedence are evaluated from left to right within an expression
 Multiple parentheses can be used to override the default precedence of operators in an expression
https://docs.oracle.com/cd/B19306_01/server.102/b14200/operators001.htmNO.88 Which three statements are true about single-row functions? (Choose three.)
 They can be used only in the WHERE clause of a SELECT statement
 The argument can be a column name, variable, literal or an expression
 The data type returned can be different from the data type of the argument
 They can be nested to any level
 They can accept only one argument
 They return a single result row per table
Explanation/Reference: https://www.folkstalk.com/2012/01/oracle-single-row-functions-examples.htmlNO.89 View the Exhibit and examine the structure of the PRODUCTS table.Which two tasks require subqueries? (Choose two.)
 Display the number of products whose PROD_LIST_PRICE is more than the average PROD_LIST_PRICE
 Display suppliers whose PROD_LIST_PRICE is less than 1000
 Display products whose PROD_MIN_PRICE is more than the average PROD_LIST_PRICE of all products, and whose status is orderable
 Display the total number of products supplied by supplier 102 which have a product status of obsolete
 Display the minimum PROD_LIST_PRICE for each product status
NO.90 In which three situations does a new transaction always start? (Choose three.)
 when issuing a SELECT FOR UPDATE statement after a CREATE TABLE AS SELECT statement was issued in the same session
 when issuing a TRUNCATE statement after a SELECT statement was issued in the same session
 when issuing a CREATE TABLE statement after a SELECT statement was issued in the same session
 when issuing the first Data Manipulation Language (DML) statement after a COMMIT OR ROLLBACK statement was issued in the same session
 when issuing a CREATE INDEX statement after a CREATE TABLE statement completed successfully in the same session
 when issuing a DML statement after a DML statement failed in the same session
NO.91 Which two are true about instance recovery for a database that is open in read write mode?(Choose two.)
 It is guaranteed to complete within fast_start_mttr_target number of seconds.
 No users can log on until instance recovery has completed.
 Only the CURRENT REDO log group is required to perform instance recovery.
 It is always performed when opening a database.
 It always occurs during instance startup performed immediately after a SHUTDOWN ABORT.
 The database opens after the roll forward phase of instance recovery has completed.
NO.92 Which two are true about RETENTION GUARANTEE? (Choose two.)
 It is a tablespace attribute.
 It prevents FLASHBACK DATABASE operation failure.
 It prevents out-of-space errors.
 It prevents “Snapshot too old” errors.
 It is a static parameter.
NO.93 Which two statements are true about the DUAL table? (Choose two.)
 It can be accessed only by the SYS user
 It consists of a single row and single column of VARCHAR2 data type
 It can display multiple rows but only a single column
 It can be used to display only constants or pseudo columns
 It can be accessed by any user who has the SELECT privilege in any schema
 It can display multiple rows and columns
NO.94 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?
 The value is changed only in the PFILE and takes effect at the next instance startup
 The value is changed for the current instance and in the PFILE
 It fails because the SCOPE clause is missing
 Change is applied to the current instance, but does not persist after instance restart
NO.95 The stores table has a column START_DATE of data type DATE, containing the date the row was inserted. You only want to display details of rows where START_DATE is within the last 25 months. Which where clause can be used?
 WHERE MON’THS_BETWEEN (SYSDATE, start_date) <= 25
 WHERE ADD_MONTHS<start_date, 25) <= SYSDATE
 WHERE TO_XUMBER(start_date – SYSDATE) <= 25
 WHERE MON’THS_BETWEEN (start_date, SYSDATE) <= 25
NO.96 Which two statements are true about the configuration and use of UNDO_RETENTION with GURANTEED ? (Choose two.) RETENTION
 UNDO_RETENTION specifies for how long Oracle attempts to keep expired and unexpired UNDO.
 UNDO_RETENTION specifies how long all types of UNDO are retained.
 Unexpired UNDO is always retained.
 Active UNDO is always retained.
 UNDO_RETENTION specifies for how long Oracle attempts to keep unexpired UNDO.
NO.97 Which two statements are true about UNDO and REDO? (Choose two.)
 The generation of UNDO generates REDO
 DML modifies Oracle database objects and only generates UNDO
 The generation of REDO generates UNDO
 DML modifies Oracle database objects and only generates REDO
 DML modifies Oracle database objects and generates UNDO and REDO
NO.98 Which two statements are true about trace files produced by the Oracle Database server?(Choose two.)
 They can be written by server processes
 Trace files are written to the Fast Recovery Area (FRA)
 They can be written by background processes
 All trace files contain error information that require contacting Oracle Support
 Trace file names are based on the database name concatenated with a sequential number
https://gerardnico.com/db/oracle/trace_fileNO.99 Which three statements are true about the Oracle Data Dictionary? (Choose three.)
 Data dictionary views are created by joins of dictionary base tables and DBA-defined tables
 The data dictionary is created and maintained by the database administrator
 Views with the same name but different prefixes, such as CDB, DBA, ALL and USER, reference the same base tables from the data dictionary
 Base tables can be queried directly
 It is owned by the SYSTEM user
 Usernames of all users including database administrators are stored in the data dictionary
NO.100 Examine the description of the members table:Examine the partial query:SELECT city, last__name 1NAME FROM membersYou want to display all cities that contain the string an. The cities must be returned in ascending order, with the last names further sorted in descending order.Which two clauses must you add to the query?
 ORDER BY 1, LNAME DESC
 ORDER BY 1, 2
 WHERE city LIKE *%AN%*
 WHERE city = =%AN%’
 WHERE city IN (*%AN%’)
 ORDER BY last_narae DESC, city ASC
NO.101 The SCOTT/TIGER user exists in two databases, BOSTON_DB and DALLAS_DB, in two different locations.Each database has a tnsnames.ora file defining DALLAS_DB as a service name.Examine this command:CREATE DATABASE LINK dblink1 CONNECT TO scott IDENTIFIED BY tiger USING ‘dallas_db’; How do you execute the command so that only SCOTT in BOSTON_DB can access the SCOTT schema in DALLAS_DB?
 as SCOTT in DALLAS_DB
 as SCOTT in BOSTON_DB
 as SCOTT in BOSTON_DB and SYS in DALLAS_DB
 as SYS in both the databases
 as SCOTT in both the databases
https://docs.oracle.com/cd/B28359_01/server.111/b28310/ds_concepts002.htm#ADMIN12085 Database links are either private or public. If they are private, then only the user who created the link has access; if they are public, then all database users have access.https://docs.oracle.com/database/121/SQLRF/statements_5006.htm#SQLRF01205NO.102 Which three statements are true about the Oracle join and ANSI join syntax? (Choose three.)
 The Oracle join syntax supports creation of a Cartesian product of two tables
 The Oracle join syntax performs better than the SQL:1999 compliant ANSI join syntax
 The SQL:1999 compliant ANSI join syntax supports natural joins
 The SQL:1999 compliant ANSI join syntax supports creation of a Cartesian product of two tables
 The Oracle join syntax only supports right outer joins
 The Oracle join syntax supports natural joins
 The Oracle join syntax performs less well than the SQL:1999 compliant ANSI join syntax
NO.103 Which two are true about complete and incomplete recovery? (Choose two.)
 Uncommitted transactions will be rolled back after complete recovery completes.
 The database must have FLASHBACK enabled in order to perform incomplete recovery.
 Uncommitted transactions will be rolled back after incomplete recovery completes.
 Incomplete recovery is possible only when the database is open.
 Only incremental backups can be used to roll forward the database while performing complete recovery.
NO.104 Examine the description of the customers table:You need to display last names and credit limits of all customers whose last name starts with A or B in lower or upper case, and whose credit limit Is below 1000.Examine this partial query:SELECT cust_last_name, cust_credit_limit FROM customersWhich two where conditions give the required result?A)C)D)E)
 Option A
 Option B
 Option C
 Option D
 Option E
NO.105 Which two statements are true about the Oracle Data Dictionary?
 It is owned by the sys user.
 Data dictionary base tables can be queried directly.
 It is owned by the system user.
 Data dictionary views are always created with queries that join two or more base tables.
 All data dictionary view joins base tables to dynamic performance views.
NO.106 Which two statements are true about substitution variables?
 A substitution variable prefixed with & always prompts only once for a value in a session.
 A substitution variable prefixed with to prompts only once for a value in a session unless it is set to undefined in the session
 A substitution variable can be used only in a select statement.
 A substitution variable used to prompt for a column name must be enclosed in single quotation marks.
 A substitution variable can be used with any clause in a select statement.
 A substitution variable used to prompt for a column name must be enclosed in double quotation marks.
NO.107 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?
 The value is changed only in the PFILE and takes effect at the next instance startup
 The value is changed for the current instance and in the PFILE
 It fails because the SCOPE clause is missing
 Change is applied to the current instance, but does not persist after instance restart
Explanation/Reference: https://docs.oracle.com/database/121/SQLRF/statements_2017.htm#SQLRF00902NO.108 In one of your databases, you create a user, HR, and then execute this command:GRANT CREATE SESSION TO hr WITH ADMIN OPTION;Which three actions can HR perform? (Choose three.)
 Revoke the CREATE SESSION privilege from other users
 Revoke the CREATE SESSION privilege from user HR
 Log in to the database instance
 Grant the CREATE SESSION privilege with ADMIN OPTION to other users
 Execute DDL statements in the HR schema
 Execute DML statements in the HR schema
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Earning the Oracle 1Z0-082 certification will help you stand out in the job market and give you a competitive edge over other candidates. Oracle Database Administration I certification is recognized globally and is highly valued by employers. Oracle offers a range of training courses and study materials to help you prepare for the exam, including instructor-led training, online training, and study guides. Passing this certification exam is the first step towards becoming an Oracle Certified Professional (OCP) in database administration.
Difficulty in Writing of Oracle 1z0-082: Oracle Database Administration I Exam
Oracle Certified Expert, Oracle Database 12c: RAC and Grid Infrastructure Administrator Certification is not the most difficult Oracle certification test but taking it without any preparation is likely to fail. Therefore, it is highly recommended that candidates should prepare well by taking 1Z0-068 practice exams. Any questions that are left unanswered will be treated as incorrect therefore you should answer all the questions after the examination of 1Z0-068 exam dumps even if you are unsure that which is the correct option, mark the most suitable option as your answer so that any question shouldn't be left as unanswered in 1Z0-068 exam dumps pdf.

 

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Post date: 2024-08-10 12:41:21

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