问题:单选题You have a long-running process you want to assign to a specific UNDO segment brought online for that express purpose. You are not using automatic UNDO management. What statement can be used for this task? ()A ALTER DATABASE B SET TRANSACTION C ALTER R...
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问题:单选题You issue the following command in Oracle: CREATE TABLESPACE DAT_TBS DATAFILE "dat_tbs.dbf" SIZE 2M;. Later queries against the database reveal that the tablespace is located in the /u01/oradata/oracle directory. Which of the following choices identifi...
问题:单选题You are trying to determine how many disk sorts are happening on the database right now. Which of the following dictionary tables would you use to find that information?()A V$SESSION B V$SYSSTAT C DBA_SEGMENTS D V$SORT_USAGE...
问题:单选题Your application regularly issues the following statement: SELECT * FROM BANK_ACCT WHERE ACCT_BALANCE BETWEEN 1000 and 10000; Which of the following database objects would be inappropriate for use with this statement?()A Materialized views B Indexes C ...
问题:单选题To determine the space allocated for temporary segments, the DBA can access which of the following views? ()A DBA_TABLESPACES B DBA_TABLES C DBA_SEGMENTS D DBA_FREE_SPACE...
问题:单选题Which of the following datatypes are used in situations where you want an ordered set of data elements, where every element is the same datatype, and where you predefine the number of elements that appear in the set?()A REF B TABLE C CLOB D VARRAY...
问题:单选题By default, checkpoints happen at least as often as().A Redo log switches. B UPDATE statements are issued against the database. C The SYSTEM tablespace is accessed. D SMON coalesces free space in a tablespase....
问题:单选题Flushing dirty buffers out of the buffer cache is influenced to the greatest extent by which of the following process?()A ARCH B SMON C LGWRD SERVER...
问题:单选题To allocate another role to a user, which command is most appropriate?()A ALTER USER B ALTER DATABASE C ALTER SYSTEM D GRANT...
问题:单选题The rows inside three Oracle tables supporting a customer order entry system are frequently accessed together by means of a table join. Because data is always being added to the tables, you leave a lot of extra space inside each block to accommodate gr...
问题:单选题During regular database operation, which background process will take smaller blocks of free space in a dictionary-managed tablespace and move things around to make bigger pieces of free space?()A DBW0 B LGWR C ARCH D SMON E PMON...
问题:单选题You are identifying dictionary objects in the Oracle database. Which of the following is a view in the data dictionary?()A V$DATABASE B DBA_TABLES C SYSAUD$ D EMP...
问题:单选题Which of the following operations does not require Oracle to store information in an UNDO segments as part of the transaction?()A INSERT B SELECT C UPDATE D DELETE...
问题:单选题You are analyzing how Oracle processes user statements. SQL and PL/SQL parse information is stored in which of the following database memory areas? ()A Library cache B Row cacheC Dictionary cache D Large area E Buffer cache...
问题:单选题You are trying to alter the initial segment size given to a table in a dictionary-managed tablespace. Which of the following keywords would be used as part of this process?()A DROP TABLE B ALTER TABLE C RESIZE D COALESCE...
问题:单选题The DBA is defining role for users. Which of the following is not an acceptable method for defining a default role?()A ALTER USER DEFAULT ROLE ALLB ALTER USER DEFAULT ROLE ALL EXCEPT ROLE_1C ALTER USER DEFAULT ROLE NONED ALTER USER DEFAULT ROLE NONE EX...