1z0-082 Exam Dumps - Oracle Database 19c Questions and Answers

Sequences can always have gaps.

A sequence can Issue duplicate values.

A sequence's unallocated cached values are lost if the instance shuts down.

Two or more tables cannot have keys generated from the same sequence.

A sequence can only be dropped by a DBA.

A sequence number that was allocated can be rolled back if a transaction fails.

The CURRENT_TIMESTAMP function returns data without time zone information

A TIMESTAMP WITH LOCAL TIMEZONE data type column is stored in the database using the time zone of the session that inserted the row

A TIMESTAMP data type column contains information about year, month, and day

The DBTIMEZONE function can return an offset from Universal Coordinated Time (UTC)

The SESSIONTIMEZONE function can return an offset from Universal Coordinated Time (UTC)

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

It executes successfully but does not return any result

It returns the date for the first Monday of the next month

It generates an error

It returns the date for the last Monday of the current month

undo

index

stored procedures

sequences

tables

clusters

The online redo logs are opened

The online data files are opened

The alert log records the execution details

The Oracle background processes are started

The initialization parameter file is read

The control file is read

An undo segment may be used by multiple transactions simultaneously

Undo segments can wrap around to the first extent when a transaction fills the last extend of the undo segment

Undo segments have a minimum of three extents

Undo segments can extend when a transaction fills the last extent of the undo segment

A single transaction may use multiple undo segments simultaneously

Undo segments must be stored in a BIGFILE tablespace

Undo segments must be stored in a SMALLFILE tablespace

The high-water mark (HWM) of orders is adjusted.

Only queries are allowed on ORDERS while the shrink is executing.

Queries and DML statements are allowed on ORDERS while the shrink is executing.

The shrink operation causes rows to be moved to empty space starting from the beginning of the orders segment.

Dependent indexes become UNUSABLE.

The shrink operation causes rows to be moved to empty space starting toward the end of the orders segment.

Aggregating functions and columns used in HAVING clauses must be specified in the SELECT list of a query

WHERE and HAVING clauses can be used in the same statement only if applied to different table columns

The HAVING clause can be used with aggregating functions in subqueries

The WHERE clause can be used to exclude rows before dividing them into groups

The WHERE clause can be used to exclude rows after dividing them into groups

Local naming can be used if Connect-Time Failover Is required.

A client can connect to an Oracle database instance even If no client side network admin has been configured.

Directory Naming requires setting the TNS_ADMIN environment variable on the client side.

Local Naming requires setting the TNS_ADMIN environment variable on the client side.

Directory Naming can be used if Connect-Time Failover is required.

Easy Connect supports TCP/IP and SSL.