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

Set OS_AUTHENT_PREFIX to OPS$

Have the OS administrator add KING to the OSDBA group

Grant DBA to KING

Unset REMOTE_LOGIN_PASSWORDFILE

Alter user KING to be IDENTIFIED EXTERNALLY

INTERVAL year TO month columns support yearly intervals.

The value in an interval day to SECOND column can be copied into an interval year to month column.

INTERVAL day to second columns support fractions of seconds.

INTERVAL year to month columns only support monthly Intervals within a single year.

INTERVAL year to month columns only support monthly intervals within a range of years.

The year field in an interval year to month column must be a positive value.

A UNIQUE index can be altered to be non-unique

A SELECT statement can access one or more indices without accessing any tables

A table belonging to one user can have an index that belongs to a different user

An update to a table can result in updates to any or all of the table’s indexes

When a table is dropped and is moved to the RECYCLE BIN, all indexes built on that table are permanently dropped

An update to a table can result in no updates to any of the table’s indexes

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 into an 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

A table can have only one primary key but multiple foreign keys

A table can have only one primary key and one foreign key

The foreign key columns and parent table primary key columns must have the same names

It is possible for child rows that have a foreign key to remain in the child table at the time the parent row is deleted

It is possible for child rows that have a foreign key to be deleted automatically from the child table at the time the parent row is deleted

Only the primary key can be defined at the column and table level

Primary key and foreign key constraints can be defined at both the column and table level

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

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 primary key constraint will be enabled and deferred.

The foreign key constraint will be enabled and deferred.

The foreign key constraint will be disabled.

The foreign key constraint will be enabled and immediate.

The primary key constraint will be enabled and immediate.

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.

The second rollback command restores the row that was inserted.

The first rollback command leaves the table's 100 original rows locked.

The second rollback command rolls back the rollback to savepoint a command.

The first rollback command leaves the inserted row locked.

The first RollBack command restores the row that was inserted.

The second rollback command restores the 100 rows that were in the table originally.

The first rollback command restores the 100 rows that were in the table originally.