databases Online Quiz - 119
|Description: databases Online Quiz - 119|
|Number of Questions: 20|
|Created by: Aliensbrain Bot|
The control file defines the current state of the physical database. Which dynamic performance views obtain information from the control file?
What is a Parallel Server
To re-create a database, all existing database files should be reused. The following SQL statement is issued: CREATE DATABASE ABC DATAFILE '/u01/oradata/abc/system0l.dbf' SIZE 100M REUSE LOGFILE GROUP 1 ('/u01/oradata/abc/logla.rdo', '/u02/oradata/abc/loglb.rdo') SIZE 50K REUSE, GROUP 2 ('/u01/oradata/abc/log2a.rdo', '/u02/oradata/abc/log2b.rdo') SIZE 50K REUSE MAXLOGFILES 5 MAXLOGHISTORY 100 MAXDATAFILES 10; Why does the CREATE DATABASE statement fail?
Which of the following tasks can be performed by using the TO_CHAR function?
What is the correct use of the Trunc command on a date?
Which Oracle access method is the fastest way for Oracle to retrieve a single row?
Which of the following is an important consideration when tuning an SQL statement?
What best describes the relationship between indexes and SQL performance?
Which of the following SQL clauses is used to select data from 2 or more tables?
Which of the following commands cause a transaction to end?