1z0-082 Exam Questions Tutorials

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.

They must be placed on the right side of the comparison operator or condition.

They must be placed on the left side of the comparison operator or condition.

They can be used in the where clause.

A SQL statement may have multiple single row subquery blocks.

They must return a row to prevent errors in the SQL statement.

They can be used in the having clause.

It generates a sqi script that it uses to load data from EMP.DAT TO EMP.

It overwrites the data for Alan and adds data for Curl and Bob

It appends data from EMP.DAT TO EMP.

It overwrites all data in emp with data from emp.dat.

It generates a log that contains control file entries, which can be used with normal SQL'Loader operations.

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