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

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Viewing questions 31-40 out of questions
Questions # 31:

Which two statements are true about the WHERE and HAVING clauses in a SELECT statement? (Choose two.)

Options:

A.

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


B.

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


C.

The HAVING clause can be used with aggregating functions in subqueries


D.

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


E.

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


Questions # 32:

You execute this command:

Question # 32

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.)

Options:

A.

You can no longer monitor it


B.

You can reattach to it and monitor it


C.

It is paused and can be resumed


D.

It continues to run in the background


E.

It terminates


Questions # 33:

Which two statements are true about the ORDER BY clause when used with a SQL statement containing a SET operator such as UNION? (Choose two.)

Options:

A.

Column positions must be used in the ORDER BY clause


B.

Only column names from the first SELECT statement in the compound query are recognized


C.

The first column in the first SELECT of the compound query with the UNION operator is used by default to sort output in the absence of an ORDER BY clause


D.

Each SELECT statement in the compound query must have its own ORDER BY clause


E.

Each SELECT statement in the compound query can have its own ORDER BY clause


Questions # 34:

Which three statements are true about using SQL*Plus?

Options:

A.

It has its own commands that are separate from any SQL statements.


B.

It must be downloaded from the Oracle Technology Network (OTN).


C.

It can run scripts entered at the SQL prompt.


D.

It can run Recovery Manager (RMAN) commands.


E.

It has both command-line and graphical user interfaces (GUI).


F.

It can run scripts passed to it by a shell script.


Questions # 35:

Which three statements are true about undo segments and the use of undo by transactions in an Oracle database instance? (Choose three.)

Options:

A.

An undo segment may be used by multiple transactions simultaneously


B.

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


C.

Undo segments have a minimum of three extents


D.

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


E.

A single transaction may use multiple undo segments simultaneously


F.

Undo segments must be stored in a BIGFILE tablespace


G.

Undo segments must be stored in a SMALLFILE tablespace


Questions # 36:

In one of your databases, the user HR has the password HRMGR.

You want to connect to a database instance whose listener listens on port 1531 by using this statement:

CONNECT HR/HRMGR@orcl

No name server is used.

Which statement is true about ORCL?

Options:

A.

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


B.

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


C.

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


D.

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


E.

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


Questions # 37:

You execute this command:

Question # 37

Sufficient storage is available in filesystem /u01.

Which two statements are true about the BIG_TBS tablespace? (Choose two.)

Options:

A.

AUTOEXTEND is possible for the datafile


B.

It must be bigger than the largest SMALLFILE tablespace


C.

Additional data files may not be added


D.

It will be a dictionary-managed tablespace by default


E.

It will always have a 32K blocksize


Questions # 38:

Which two statements are true about date/time functions in a session where NLS_DATE_FORMAT is set to DD-MON-YYYY HH24:MI:SS? (Choose two.)

Options:

A.

CURRENT_TIMESTAMP returns the same date and time as SYSDATE with additional details of fractional seconds


B.

SYSDATE can be queried only from the DUAL table


C.

CURRENT_DATE returns the current date and time as per the session time zone


D.

SYSDATE can be used in expressions only if the default date format is DD-MON-RR


E.

SYSDATE and CURRENT_DATE return the current date and time set for the operating system of the database server


F.

CURRENT_TIMESTAMP returns the same date as CURRENT_DATE


Questions # 39:

Which three functions are performed by dispatchers in a shared server configuration? (Choose three.)

Options:

A.

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


B.

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


C.

receiving inbound requests from processes using shared server connections


D.

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


E.

broadcasting shared server session responses back to requesters on all connections


F.

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


Questions # 40:

Which three statements are true about single-row functions? (Choose three.)

Options:

A.

They can be used only in the WHERE clause of a SELECT statement


B.

The argument can be a column name, variable, literal or an expression


C.

The data type returned can be different from the data type of the argument


D.

They can be nested to any level


E.

They can accept only one argument


F.

They return a single result row per table


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