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简述NoSQL:Not Only SQL

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考题 NoSQL 名词解释

考题 The DBA issues this SQL command: CREATE USER scott IDENTIFIED by tiger; What privileges does the user Scott have at this point?() A. no privilegesB. only the SELECT privilegeC. only the CONNECT privilegeD. all the privileges of a default user

考题 Your organization decided to upgrade the existing Oracle 10g database to Oracle 11g database in a multiprocessor environment. At the end of the upgrade, you observe that the DBA executes the following script:SQL @utlrp.sqlWhat is the significance of executing this script?()A. It performs parallel recompilation of only the stored PL/SQL code.B. It performs sequential recompilation of only the stored PL/SQL code.C. It performs parallel recompilation of any stored PL/SQL as well as Java code.D. It performs sequential recompilation of any stored PL/SQL as well as Java code.

考题 The DBA issues this SQL command:CREATE USER scottIDENTIFIES by tiger;What privileges does the user Scott have at this point? () A. No privileges.B. Only the SELECT privilege.C. Only the CONNECT privilege.D. All the privileges of a default user.

考题 The DBA issues this SQL command:What privileges does the user Scott have at this point?() A. No privileges.B. Only the SELECT privilege.C. Only the CONNECT privilege.D. All the privileges of a default user.

考题 You enabled an audit policy by issuing the following statements:SQL AUDIT POLICY ORA_DATABASE_PARAMETER BY SCOTT;SQL AUDIT POLICY ORA_DATABASE_PARAMETER BY SYS, SYSTEM;For which database users and for which executions is the audit policy now active? ()A. SYS, SYSTEMB. SCOTTC. Only for successful executionsD. Only for failed executionsE. Both successful and failed executions

考题 You upgrade your Oracle database in a multiprocessor environment. As a recommended you execute thefollowing script:SQL > @utlrp.sqlWhich two actions does the script perform?() A. Parallel compilation of only the stored PL/SQL codeB. Sequential recompilation of only the stored PL/SQL codeC. Parallel recompilation of any stored PL/SQL codeD. Sequential recompilation of any stored PL/SQL codeE. Parallel recompilation of Java codeF. Sequential recompilation of Java code

考题 以下关于NoSL数据库的说法中,正确的是( )。A.NoSQL.数据库保证RASE特性 B.NoSQL数据库保证ACID特性 C.各种NoSQL数据库具有统的架构 D.NoSQL数据库经常使用JOIN操作

考题 When executing a SQL workload,you choose to generate execution plans only, without collecting execution statistics.  Which two statements describe the implications of this?()A、 It produces less accurate results of the comparison analysis.B、 It automatically calls the SQL Tuning Advisor for recommendations.C、 It shortens the time of execution and reduces the impact on system resources.D、 Only the changes in the execution plan,and not performance regression,are detected.

考题 Which three statements about performance analysis by SQL Performance Analyzer are true? ()A、It detects changes in SQL execution plans.B、It produces results that can be used to create the SQL plan baseline.C、The importance of SQL statements is based on the size of the objects accessed.D、It generates recommendations to run SQL Tuning Advisor to tune regressed SQLs.E、It shows only the overall impact on workload and not the net SQL impact on workload.

考题 Which is the source used by Automatic SQL Tuning that runs as part of the AUTOTASK framework? ()A、SQL statements that are part of the AWR baseline only B、SQL statements based on the AWR top SQL identificationC、SQL statements that are part of the available SQL Tuning Set (STS) only D、SQL statements that are available in the cursor cache and executed by a user other than SYS 

考题 You enabled an audit policy by issuing the following statements: SQL AUDIT POLICY ORA_DATABASE_PARAMETER BY SCOTT; SQL AUDIT POLICY ORA_DATABASE_PARAMETER BY SYS, SYSTEM; For which database users and for which executions is the audit policy now active? ()A、SYS, SYSTEMB、SCOTTC、Only for successful executionsD、Only for failed executionsE、Both successful and failed executions

考题 Your organization decided to upgrade the existing Oracle 10g database to Oracle 11g database in a multiprocessor environment. At the end of the upgrade,you observe that the DBA executes the following script:   SQL @utlrp.sql   What is the significance of executing this script?()  A、 It performs parallel recompilation of only the stored PL/SQL code.B、 It performs sequential recompilation of only the stored PL/SQL code.C、 It performs parallel recompilation of any stored PL/SQL as well as Java code.D、 It performs sequential recompilation of any stored PL/SQL as well as Java code.

考题 The DBA issues this SQL command:CREATE USER scott IDENTIFIED by tiger;What privileges does the user Scott have at this point?()A、no privilegesB、only the SELECT privilegeC、only the CONNECT privilegeD、all the privileges of a default user

考题 The DBA issues this SQL command: CREATE USER scott IDENTIFIES by tiger; What privileges does the user Scott have at this point? ()A、No privileges.B、Only the SELECT privilege.C、Only the CONNECT privilege.D、All the privileges of a default user.

考题 Which two statements about subqueries are true? ()A、A subquery should retrieve only one row.B、A subquery can retrieve zero or more rows.C、A subquery can be used only in SQL query statements.D、Subqueries CANNOT be nested by more than two levels.E、A subquery CANNOT be used in an SQL query statement that uses group functions.F、When a subquery is used with an inequality comparison operator in the outer SQL statement, the column list in the SELECT clause of the subquery should contain only one column.

考题 简述NoSQL:Not Only SQL

考题 问答题如何准确理解NoSQL的含义?

考题 判断题SQL与NoSQL相比,具有更灵活的数据模型,SQL无需事先为要存储的数据建立字段,随时可以存储自定义的数据格式。A 对B 错

考题 判断题为了应对更大的数据量和更高的性能,在SQL数据的基础上,发展出了NoSQL相关的技术。A 对B 错

考题 单选题Your organization decided to upgrade the existing Oracle 10g database to Oracle 11g database in a multiprocessor environment. At the end of the upgrade,you observe that the DBA executes the following script:   SQL @utlrp.sql   What is the significance of executing this script?()A  It performs parallel recompilation of only the stored PL/SQL code.B  It performs sequential recompilation of only the stored PL/SQL code.C  It performs parallel recompilation of any stored PL/SQL as well as Java code.D  It performs sequential recompilation of any stored PL/SQL as well as Java code.

考题 多选题You upgrade your Oracle database in a multiprocessor environment. As a recommended you execute thefollowing script:SQL @utlrp.sqlWhich two actions does the script perform?()AParallel compilation of only the stored PL/SQL codeBSequential recompilation of only the stored PL/SQL codeCParallel recompilation of any stored PL/SQL codeDSequential recompilation of any stored PL/SQL codeEParallel recompilation of Java codeFSequential recompilation of Java code

考题 单选题Which is the source used by Automatic SQL Tuning that runs as part of the AUTOTASK framework? ()A SQL statements that are part of the AWR baseline only B SQL statements based on the AWR top SQL identificationC SQL statements that are part of the available SQL Tuning Set (STS) only D SQL statements that are available in the cursor cache and executed by a user other than SYS 

考题 多选题Which three statements about performance analysis by SQL Performance Analyzer are true? ()(Choose three.)AIt detects changes in SQL execution plans.BIt produces results that can be used to create the SQL plan baseline.CThe importance of SQL statements is based on the size of the objects accessed.DIt generates recommendations to run SQL Tuning Advisor to tune regressed SQLs.EIt shows only the overall impact on workload and not the net SQL impact on workload.

考题 多选题Which three statements about performance analysis by SQL Performance Analyzer are true? ()AIt detects changes in SQL execution plans.BIt produces results that can be used to create the SQL plan baseline.CThe importance of SQL statements is based on the size of the objects accessed.DIt generates recommendations to run SQL Tuning Advisor to tune regressed SQLs.EIt shows only the overall impact on workload and not the net SQL impact on workload.

考题 多选题Which two statements about subqueries are true? ()AA subquery should retrieve only one row.BA subquery can retrieve zero or more rows.CA subquery can be used only in SQL query statements.DSubqueries CANNOT be nested by more than two levels.EA subquery CANNOT be used in an SQL query statement that uses group functions.FWhen a subquery is used with an inequality comparison operator in the outer SQL statement, the column list in the SELECT clause of the subquery should contain only one column.

考题 单选题Your organization decided to upgrade the existing Oracle 10g database to Oracle 11g database in a multiprocessor environment. At the end of the upgrade, you observe that the DBA executes the following script: SQL @utlrp.sql What is the significance of executing this script?()A It performs parallel recompilation of only the stored PL/SQL code.B It performs sequential recompilation of only the stored PL/SQL code.C It performs parallel recompilation of any stored PL/SQL as well as Java code.D It performs sequential recompilation of any stored PL/SQL as well as Java code.