单选题Which of the following is a characteristic of a schema?（）AForeign key references cannot cross schema boundaries.BA DB2 user must be created before a schema with the same name can be created.CIf no schema is specified when an object is created, the default schema PUBLIC is used.DA schema enables the creation of multiple objects in a database without encountering namespace collisions.
单选题
Which of the following is a characteristic of a schema?（）
A
Foreign key references cannot cross schema boundaries.
B
A DB2 user must be created before a schema with the same name can be created.
C
If no schema is specified when an object is created, the default schema PUBLIC is used.
D
A schema enables the creation of multiple objects in a database without encountering namespace collisions.
参考解析
解析：
暂无解析
相关考题：
Which of the following is NOT a characteristic of message filtering?A semanticsB mediaC ethicsD organizational statusE reputation
6 Which of the following is NOT a characteristic of message filtering?A. semanticsB. mediaC. ethicsD. organizational statusE. reputation
Which of the following is the desirable characteristic of lab meat?A． It should be nice-looking and long-lasting.B． It should be easily available in supermarket.C． It should look and taste like the traditional meat.D． It should be a cure for bird flu and mad cow disease.
Which of the following is not responsibility of DBA(Data Base Administrator)?A．Database management system designB．Database schema definitionC．Database schema modificationD．Integrity constraint specification
which of the following is not considered a characteristic of london?A. The culturaI centre.B. The sports centre.C. The financial centre.D. The business centre.
Which of the following is a characteristic of a schema?() A.Foreign key references cannot cross schema boundaries.B.A DB2 user must be created before a schema with the same name can be created.C.If no schema is specified when an object is created, the default schema PUBLIC is used.D.A schema enables the creation of multiple objects in a database without encountering namespace collisions.
Which of the following describes the objects of a DB2 database and their relationships?() A.InstanceB.Table spaceC.System catalogD.Schema repository
Which of the following commands changes a file characteristic so that it cannot be seen with astandard directory query? （）A、attrib file.txt +hB、attrib file.txt +rC、ren file.txtD、attrib file.txt +s
Which of the following is used to connect existing Notes Forms to XPages？（）A、Data SourceB、Schema DefinitionC、Domino DocumentD、Data Binding
Which of the following is a characteristic of a schema?（）A、Foreign key references cannot cross schema boundaries.B、A DB2 user must be created before a schema with the same name can be created.C、If no schema is specified when an object is created, the default schema PUBLIC is used.D、A schema enables the creation of multiple objects in a database without encountering namespace collisions.
After installing WebSphere Commerce V 5.6 using a quick installation， which of the following should be checked to verify the installation？（）A、The installation log filesB、The Commerce tools can be launched and logged into properlyC、User ’wpadmin’ has been createdD、The structure of the installation directoryE、The WebSphere Application Server database schema
Which of the following cannot be used as input to the SQL Tuning Advisor?（） (Choose all that apply.)A、A single SQL statement provided by a userB、An existing SQL Tuning Set (STS)C、A preprocessed Database Replay workloadD、A schema nameE、SQL statement identified in EM as using excessive resources
Which of the following cannot be used as input to the SQL Tuning Advisor？（）A、 A single SQL statement provided by a userB、 An existing SQL Tuning Set （STS）C、 A preprocessed Database Replay workloadD、 A schema nameE、 SQL statement identified in EM as using excessive resources
单选题According to the passage, which of the following is true?APeople in allocations are unwilling to conform to a general pattern.BConformity is a special characteristic of business.CBusinessmen are all original thinkers.DBusinessmen are provided with greater opportunities than people in other professions.
单选题Which of the following statements is NOT considered a characteristic of farming in the late 18th and early 19th centuries?（）AUse of artificial fertilizer.BIntroduction of new agricultural machinery.CThe'Open-field'system.DA system of crop rotation.
多选题In which two scenarios should you issue the following command？（） FLASHBACK TABLE SCOTT.EMP TO TIMESTAMP SYSTIMESTAP- INTERVAL ’15’ MINUTE；Awhen the schema of the user， SCOTT， was deleted by mistake 15 minutes agoBwhen the table EMP of the SCOTT schema was dropped by mistake 15 minutes agoCwhen some rows of the table， EMP， in the SCOTT schema were deleted by mistake 15 minutes agoDwhen some incorrect values were inserted in the EMP table in the user Scott’s schema during the last 15 minutesEnever， because FLASHBACK TABLE is not a valid command in Oracle 10g.
单选题Which of the following roles provides the privileges to maintain and query the recovery catalog schema？（）AEXECUTE_CATALOG_ROLEBCONNECTCRESOURCEDRECOVERY_CATALOG_OWNERERECOVERY_CATALOG_USER
单选题Which of the following is NOT a Danish characteristic cited in the passage?AMysterious thinking.BEquality in society.CLinguistic tolerance.DFondness of foreign culture.
单选题Which of the following is NOT characteristic of a tamadn family?AA tamarin family consists of Father, Mother and their children.BThe family life is organized like humans.CAll the family members share the responsibility in the upbringing.DTamarin brains are big for their size.
单选题Which of the following is a characteristic of a Ro-Ro vessel（）.APassenger tours available upon dockingBLong port stays necessary to secure vehiclesCShort in port turnaround timesDHeavy vehicles only require lightweight securing equipment
单选题Which of the following characteristic of lube oil helps to reduce the amount of deposits in the piston ring belt during the combustion process in a diesel engine?（）ALow viscosity indexBLow carbon forming tendenciesCHigh film strengthDHigh non-corrosive qualities
单选题Which of the following definitions can be used to define the term ‘offset ’ as a characteristic of controller action?（）AThe period of time in which the set point and the control point coincideBThe periodic change between the set point and the control pointCThe variable difference between the set point and the control pointDThe constant difference between the set point and the control point
单选题The company has a Windows 2008 Active Directory-based network.The network contains an Exchange Server 2003 organization.The management instructs you to deploy Exchange Server 2010 in your network.You decide to prepare the schema and domain first.Which of the following commands should you run prior to performing the normal schema and domain preparation？（）ASetup /PrepareSchemaBSetup /PrepareLegacyExchangePermissionsCSetup /PrepareADDSetup /PrepareLegacyExchangePermissions：child.Xxx
单选题Which of the following is a characteristic of a serial I/O port?（）ARJ-11 connectorBDB-15 connectorCDB-9 connectorDRJ-45 connector
单选题Which of the following is NOT a characteristic of British government?（）AIt offers the Queen high political status and supreme power.BIt is both a parliamentary democracy and a constitutional monarchy.CIt is the oldest representative democracy in the world.DIt has no written form of Constitution.
单选题When a ship is entering to narrow waterway and the fuel feeding of the main engine is keeping unchanged, which of the following is the wrong conclusion?（）Athe power of main engine will be reducedBexhaust temperature will be increasedCthe speed of the ship will be reducedDthe propulsion characteristic of propeller will keep unchanged
多选题Which of the following cannot be used as input to the SQL Tuning Advisor？（）AA single SQL statement provided by a userBAn existing SQL Tuning Set （STS）CA preprocessed Database Replay workloadDA schema nameESQL statement identified in EM as using excessive resources