Pass the Oracle Oracle Database 19c 1z0-082 Questions and answers with CertsForce

Multiple INTERSECT operators are not possible in the same SQL statement

It processes NULLs in the selected columns

INTERSECT is of lower precedence than UNION or UNION ALL

It ignores NULLs

d3_32k_cache_size should be set to a value greater than db_cache_size.

db_32k_cache_size must be set to a value that can be accommodated in the SGA.

db_32r_cache_si2e must be less than db_ca=he_size.

db_cache_s:ze must be set to a size that is smaller than db_32k_cache_size.

The /u02 file system must have at least lOOg space for the datafile.

The operating system must use a 32k block size.

DBA_DATA_FILES displays the original name for the data files.

V$DATAFILE displays the new names for the data files.

DBA_DATA _FILES displays both the new name and the old name for the data files.

DBA_DATA_FILES displays the new name for the data files.

DBA_DATA_FILES must be resynchronized manually with the control file an order to have it display the new file names.

A synonym has an object number.

A synonym can be created on an object in a package.

A synonym can have a synonym.

All private synonym names must be unique in the database.

Any user can create a PUBLIC synonym.

A RAC database can have one Instance.

A RAC database can have instances on separate servers.

Two RAC databases can share their instances.

A RAC database must have three or more Instances.

A RAC database must have two or more instances.

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.

SELECT customer_id AS “CUSTOMER-ID”, transaction_date AS DATE, amount + 100 “DUES” FROM transactions;

SELECT customer_id AS “CUSTOMER-ID”, transaction_date AS “DATE”, amount + 100 DUES FROM transactions;

SELECT customer_id AS CUSTOMER-ID, transaction_date AS TRANS_DATE, amount + 100 “DUES AMOUNT” FROM transactions;

SELECT customer_id CUSTID, transaction_date TRANS_DATE, amount + 100 DUES FROM transactions;

SELECT customer_id AS ‘CUSTOMER-ID’, transaction_date AS DATE, amount + 100 ‘DUES AMOUNT’ FROM transactions;

Private database link creation requires the same user to exist in both the local and the remote databases.

A public database link can be created only by sys.

A database link can be created only between two Oracle databases.

A public database link can be used by a user connected to the local database instance to connect to any schema in the remote database instance.

A database link created in a database allows a connection from that database's instance to the target database's Instance, but not vice versa.

the number of hours for which an account is locked after the configured number of login attempts has been reached

the number of days for which an account may be inactive before it is locked

the maximum amount of CPU time allowed for a user’s sessions before their account is locked

the ability to prevent a password from ever being reused

the number of password changes required within a period of time before a password can be reused

the number of days for which an account is locked after the configured number of login attempts has been reached

the maximum number of sessions permitted for a user before the account is locked

A block header contains a row directory pointing to all rows in the block.

An index block can contain row data.

Row data is stored starting at the end of the block.

A data block header is of a fixed length.

A table block must always contain row data.