1z0-082 Sample Questions & Answers

it must be the value of the SERVICE_NAMES parameter on the client side

it must resolve to a valid connect descriptor in the server’s tnsnames.ora file

it must resolve to a valid connect descriptor in the client’s tnsnames.ora file

it must be the name of the database to whose instance HR wishes to connect

it must be the name of the server running the database to whose instance HR wishes to connect

PCTFREE defaults to 10% for all blocks in all segments for all compression methods

ASSM assigns blocks to one of four fullness categories based on what percentage of the block is all

ted for rowsC. Update operations always attempt to find blocks with free space appropriate to the length of the row being updated

Insert operations always attempt to find blocks with free space appropriate to the length of the row being inserted

A block will always be eligible for inserts if the row is short enough to fit into the block

COLUMN STORE COMPRESS FOR QUERY LOW

ROW STORE COMPRESS BASIC

COLUMN STORE COMPRESS FOR ARCHIVE LOW

COLUMN STORE COMPRESS FOR ARCHIVE HIGH

ROW STORE COMPRESS ADVANCED

If sequence ORD_SEQ is dropped then the default value for column ORD_NO will be NULL for rows inserted into ORDJTEMS

Any user inserting rows into table ORDJTEMS must have been granted access to sequence ORD_SEQ

Column ORD_NO gets the next number from sequence ORDJBEQ whenever a row is inserted into ORDJTEMS and no explicit value is given for ORD_NO

Sequence ORD_SEQ cycles back to 1 after every 5000 numbers and can cycle 20 times

Sequence ORD_SEQ is guaranteed not to generate duplicate numbers

CONCAT (qty_sold, invoice_date): requires explicit conversion

invoice_date = ’15-march-2019’: uses implicit conversion

invoie_date ) ’01-02-2019’: uses implicit conversion

qty_sold BETWEEN ‘101’ AND ’110’: uses implicit conversion

qty_sold = ‘0554982’ uses implicit conversion

SELECT * FROM customers WHERE city LIKE ‘D_%’;

SELECT * FROM customers WHERE city = ‘%D_’;

SELECT * FROM customers WHERE city LIKE ‘D_’;

SELECT * FROM customers WHERE city = ‘D_%’;

writing inbound request to the common request queue from all shared server connections

checking for outbound shared server responses on the common outbound response queue

receiving inbound requests from processes using shared server connections

sending each connection input request to the appropriate shared server input queue

brA. dcasting shared server session responses back to requesters on all connections

sending shared server session responses back to requesters on the appropriate connection

External table files can be used for other external tables in a different database

The ORACLE_LOADER access driver can be used to unload data from a database intA. n external table

The ORACLE_DATAPUMP access driver can be used to unload data from a database into an external table

They cannot be partitioned

The ORACLE_DATAPUMP access driver can be used to load data into a database from an external table

They support UPDATES but not INSERTS and DELETES

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

Add a data file to DATA

Drop other U1 objects in DATA

Increase UTs quota sufficiently in DATA

Set DEFERRED_SEGMENT_CREATION to TRUE

Grant UNLIMITED TABLESPACE to U1

Set AUTOEXTEND ON for data files in DATA