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[多选题]

商品条码主要应用于()领域。

A.物品库存管理

B.POS系统

C.物品信息采集

D.EDI系统

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更多“商品条码主要应用于（)领域。A．物品库存管理B．POS系统C．物品信息采集D．EDI系统”相关的问题

第1题

Youissuedthefollowingstatementtomonitortheusageoftheindex:SQL>ALTERINDEXSCOTT.EMP_IDXMONITORINGUSAGE;Whichviewwillyouquerytoensurethattheindexisbeingmonitored?()

A.INDEX_STATS

B.DBA_INDEXES

C.DBA_IND_COLUMNS

D.V$OBJECT_USAGE

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第2题

Youperformdifferentialincrementallevel1backupsofyourdatabaseoneachworkingdayandlevel0backuponSundays,totape.Whichtwostatementsaretrueaboutdifferentialincrementalbackups()

A.ThebackupperformedonSundayscontainsalltheblocksthathaveeverbeenusedinthedatabase.

B.ThebackupperformedonSundayscontainsalltheblocksthathavechangedsincethelastlevel1backup.

C.Thebackupperformedoneachworkingdaycontainsalltheblocksthathavechangedsincethelastlevel0 backup.

D.ThebackupperformedonMondaycontainsalltheblocksthathavechangedsincethelevel0backup，and everyotherworkingdaycontainsalltheblocksthathavechangedsincethelevel1backup

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第3题

Which view shows all valid values for the NLS_LANGUAGE, NLS_SORT, NLS_TERRITORY,and NLS_CHARACTERSET parameters?()

A. V$VALID_NLS_VALUES

B. NLS_VALID_VALUES

C. NLS_VALUE_OPTIONS

D. V$NLS_VALUE_OPTIONS

E. V$NLS_VALID_VALUES

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第4题

Youdiscoveranout-of-spaceconditioninthedatabase.Youdecidetosuspendasessionforfiveminutes.Y

ouissuethefollowingcommandtosuspendthesession：ALTERSESSIONENABLERESUMABLE；Whichcommandcouldyouissuetoenabletheresumablespaceallocationfeatureatthesessionlevel？（）

A.ALTERSESSIONENABLERESUMABLE_TIMEOUT=5；

B.ALTERSYSTEMENABLERESUMABLE_TIMEOUT=5；

C.ALTERSESSIONENABLERESUMABLE_TIMEOUT=300；

D.ALTERSYSTEMENABLERESUMABLETIMEOUT=300；

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第5题

Which data dictionary table should you query to view the object privileges granted to the user on specific columns? ()

A. USER_TAB_PRIVS_MADE

B. USER_TAB_PRIVS

C. USER_COL_PRIVS_MADE

D. USER_COL_PRIVS

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第6题

You examine the output of SHOW GLOBAL STATUS and notice that the value of Created_tmp_disk_tables is consistently increasing.Which two variables would likely fix this issue?()

A.Table_open_cache

B.Table_open_cache_instancs

C.Table_definition_cache

D.Tmp_table_size

E.Max_heap_table_size

F.Max_tmp_tables

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第7题

YouareusingOracleEnterpriseManagertoestimatethesizeofatabletobecreated.Youhavetypeddatareg

ardingthecolumnnames，datatypes，sizesofthecolumns，andtheprojectednumberofrowsinthetable.WhichadditionalinformationdoestheOracleEnterpriseManagerreturn？（）

A.spaceallocatedinthetablespace

B.spacerequiredforthebitmapindexonacolumnofthetable

C.spaceremaininginthetablespaceaftercreatingthetable

D.estimatedvalueofthePCTFREEstorageparameter

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第8题

CREATE TABLE dept(deptno NUMBER(2),dname VARCNAR2(14),1oc VARCNAR2 (13));ROLLBACK;DESCRIBE DEPTWhat is true about the set? ()

A. The DESCRIBE DEPT statement displays the structure of the DEPT table.

B. The ROLLBACK statement frees the storage space occupies by the DEPT table.

C. The DESCRIBE DEPT statement returns an error ORA-04043: object DEPT does not exist.

D. The DESCRIBE DEPT statement displays the structure of the DEPT table only if there is a COMMIT statement introduced before the ROLLBACK statement.

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第9题

YoucreatedtheDEPTtablebyusingthefollowing&

YoucreatedtheDEPTtablebyusingthefollowingcommand：

CREATETABLEscott.dept

（deptnoNUMBER（3），

dnameVARCHAR2（15），

locVARCHAR2（15））

STORAGE（INITIAL100KNEXT50KMAXEXTENTS10PCTINCREASE5FREELISTGROUPS6FREELISTS4）；YouarerequiredtoshrinktheDEPTtable.Whileperformingtheshrinkoperation，youwanttoensurethattherecoveredspaceisreturnedtothetablespaceinwhichtheDEPTtableisstored.YoudonotwanttoshrinktheindexescreatedontheDEPTtable.WhatwillyoudotoshrinktheSCOTT.EMPtable？（）

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第10题

The NLS_SORT parameter sets the default sort method for which of the following operations?()

A. WHERE clause WHERE

B. ORDER BY clause

C. BETWEEN clause

D. NLSSORT function

E. NLS_SORT function

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