单选题Observe the information in the columns: 1. The SGA                 a. Text and parsed forms of all SQL statements 2. The cursor state       b. Run-time memory values for the SQL statement, such as rows retrieved 3. User-session data    c. Security and resource usage information 4. The stack space      d. Local variables for the process  Which option has the correct match between the memory areas and their contents()A1-c, 2-b, 3-d, 4-aB1-b, 2-c, 3-d, 4-aC1-a, 2-b, 3-c, 4-dD1-a, 2-b, 3-d, 4-c

单选题
Observe the information in the columns: 1. The SGA                 a. Text and parsed forms of all SQL statements 2. The cursor state       b. Run-time memory values for the SQL statement, such as rows retrieved 3. User-session data    c. Security and resource usage information 4. The stack space      d. Local variables for the process  Which option has the correct match between the memory areas and their contents()
A

1-c, 2-b, 3-d, 4-a

B

1-b, 2-c, 3-d, 4-a

C

1-a, 2-b, 3-c, 4-d

D

1-a, 2-b, 3-d, 4-c


参考解析

解析: 暂无解析

相关考题:

TheDBAhaschosentomanageSGAandPGAmemoryseparatelyinanOLTPdatabasebecauseofhisuniqueknowledgeoftheapplication.WhichofthesearegoodstartingpointstousewhenconfiguringthemaximumvaluesforSGAandPGA,basedontheamountofmemoryavailableonthesystem?()A.20%SGA 80%PGAB.25%SGA 75%PGAC.50%SGA 50%PGAD.75%SGA 25%PGAE.80%SGA 20%PGA

Examine the following command that is executed for the TRANSPORT table in the SH schema:Which statement describes the significance of this command?() A. It collects statistics into the pending area in the data dictionaryB. It creates a virtual hidden column in the CUSTOMERS_OBE tableC. It collects statistics with AUTO_SAMPLE_SIZE for ESTIMATE_PERCENTD. It creates a histogram to hold skewed information about the data in the columns

You need to replicate a table from a master to a slave. The master and slave copies of the table will have different number of columns.Which two conditions must be true?() A.Each extra column in the copy with more columns must not have a default valueB.Columns that are common to both versions of the table must be defined in the same order on the master and the slaveC.The slave database cannot have more columns than the master. Only the master database can have more columnsD.Columns that are common to both versions of the table must come first in the table definition, before any additional columns are additional columns are defined on either serverE.The master database cannot have more columns than the slave. Only the slave deatbase can have more columns

In your multitenant container database (CDB) containing pluggable databases (PDB), users complain about performance degradation.How does real-time Automatic database Diagnostic Monitor (ADDM) check performance degradation and provide solutions?()A. It collects data from SGA and compares it with a preserved snapshot.B. It collects data from SGA, analyzes it, and provides a report.C. It collects data from SGA and compares it with the latest snapshot.D. It collects data from both SGA and PGA, analyzes it, and provides a report

Oracle Server由哪两个部分组成?() A. INSTANCE和DATABASEB. SGA和PGAC. SGA和DATABASED. Server process和Background processE. SGA和Background process

以下关于SGA和PGA的叙述正确的是() A.PGA是SGA的一部分,SGA是共享的,但分配后的PGA是不共享的B.PGA是客户机内存的一部分,而SGA是服务器内存的一部分C.PGA和SGA都是服务器内存的一部分,前者是私有的,后者是共享的D.PGA与SGA的总和等于服务器主机内存的总和

You need to replicate a table from a master to a slave. The master and slave copies of the table will have different number of columns. Which two conditions must be true?()A、Each extra column in the copy with more columns must not have a default valueB、Columns that are common to both versions of the table must be defined in the same order on the master and the slaveC、The slave database cannot have more columns than the master. Only the master database can have more columnsD、Columns that are common to both versions of the table must come first in the table definition, before any additional columns are additional columns are defined on either serverE、The master database cannot have more columns than the slave. Only the slave deatbase can have more columns

To implement Automatic Management (AMM), you set the following parameters: When you try to start the database instance with these parameter settings, you receive the following error message: SQL startup ORA-00824: cannot set SGA_TARGET or MEMORY_TARGET due to existing internal settings, see alert log for more information. Identify the reason the instance failed to start.()A、The PGA_AGGREGATE_TARGET parameter is set to zero.B、The STATISTICS_LEVEL parameter is setto basic.C、Both the SGA_TARGETandMEMORY_TARGET paramete rsareset.D、The SGA_MAX_SIZEandSGA_TARGET parameter value sare note qual.

Oracle数据库的例程由()组成。A、SGA和PGAB、SGA和数据库C、数据库和后台进程D、SGA(系统全局区)和后台进程

You specify a nonzero value for the MEMORY_TARGET initialization parameter,but do not set the PGA_AGGREGATE_TARGET or the SGA_TARGET parameters. You restart your database instance.  Which statement about the result is true?()A、 The database instance starts,and Oracle sets the default value of SGA_TARGET to the same value as SGA_MAX_SIZEB、 The database instance starts,and Oracle automatically tunes memory and allocates 60 percent to the  SGA and 40 percent to the PGAC、 The database instance starts,but Automatic Memory Management is disabledD、 The database instance will not start because you did not specify the PGA_AGGREGATE_TARGET or SGA_TARGET parameter

You are adding redo logs to the Oracle database. Creating a new redo log adds information to which of the following Oracle resources? ()A、Shared pool B、Control file C、SGA D、PGA

Examine the values for the following initialization parameters: FAST_START_MTTR_TARGET = 0LOG_CHECKPOINT_INTERVAL = 0 Which two will be the implications of these values in your database()A、The SGA advisor will be disabled.B、The MTTR advisor will be disabled.C、Automatic checkpoint tuning will be disabled.D、Checkpoint information will not be written to the alert log file.

By setting the value of MEMORY_TARGET to zero and setting the value of SGA_TARGET to a nonzero value, you will enable which of the following memory-management options?()  A、 Automatic PGA Memory ManagementB、 Automatic SGA Memory ManagementC、 Automatic Shared Memory ManagementD、 Automatic Memory ManagementE、 Manual SGA Memory ManagementF、 None of the above

The DBA has chosen to manage SGA and PGA memory separately in an OLTP database because of his unique knowledge of the application. Which of these are good starting points to use when configuring the maximum values for SGA and PGA,based on the amount of memory available on the system?()A、 20% SGA 80% PGAB、 25% SGA 75% PGAC、 50% SGA 50% PGAD、 75% SGA 25% PGAE、 80% SGA 20% PGA

You are adatabase developer. You develop atask management application that connect stoa SQLServer 2008 database named TaskDB.Users logon to the application by using a SQLServer login. The application contains amodule named Task that assigns tasks tousers. Information about the setasks is stored in the Tasks table of the TaskDB data base. The Tasks table contains multiple columns. These include the Close Dateand Estimated Timecolumns. The application must meet the following security requirements: Users assigned toad atabase role named User 1 canupd ate all task information columns except the Close Date and the Estimated Time columns in the Tasks table. Administrative users assigned toad atabase role named Task_Admin canupd ateall task information in the Tasks table.You needto design a strategy to meet the security requirements. Which two actions should you perform?()A、Add the Task_Admin role to thedb_accessadmin fixed database role.B、Grant Update permissions on the Tasks table to the Task_Admin role.C、Grant Update permissions on the Tasks table to the User 1 role foreach column except the Close Dateand Estimated Time columns.D、Createan INSTEAD OF trigger on the Tasks Table. Use theIs_Member function toprevent the User 1 role from updating the Close Date and Estimated Time columns.

多选题Which two statements are true regarding the SGA_TARGET initialization parameter()AIt can be increased up to the value of the SGA_MAX_SIZE parameter.BIncreasing the value of the SGA_TARGET parameter distributes the increased memory among all the Autotuned components.CReducing the value of the SGA_TARGET parameter deallocates memory from both autotuned and Manually sized components.DIncreasing the value of SGA_TARGET up to the value of SGA_MAX_SIZE disables the automatic shared Memory management feature.

多选题You need to replicate a table from a master to a slave. The master and slave copies of the table will have different number of columns. Which two conditions must be true?()AEach extra column in the copy with more columns must not have a default valueBColumns that are common to both versions of the table must be defined in the same order on the master and the slaveCThe slave database cannot have more columns than the master. Only the master database can have more columnsDColumns that are common to both versions of the table must come first in the table definition, before any additional columns are additional columns are defined on either serverEThe master database cannot have more columns than the slave. Only the slave deatbase can have more columns

单选题You observe that in your PROD database, customer information is being modified by some unauthorized users. You want to keep track of all of the transactions happening on the table using PL/SQL. Which type of PL/SQL subprogram or construct would you use to accomplish this task?()AfunctionsBpackagesCproceduresDdatabase triggersEanonymous PL/SQL block

多选题Examine the values for the following initialization parameters: FAST_START_MTTR_TARGET = 0LOG_CHECKPOINT_INTERVAL = 0 Which two will be the implications of these values in your database()AThe SGA advisor will be disabled.BThe MTTR advisor will be disabled.CAutomatic checkpoint tuning will be disabled.DCheckpoint information will not be written to the alert log file.

单选题By setting the value of MEMORY_TARGET to zero and setting the value of SGA_TARGET to a nonzero value, you will enable which of the following memory-management options?()A Automatic PGA Memory ManagementB Automatic SGA Memory ManagementC Automatic Shared Memory ManagementD Automatic Memory ManagementE Manual SGA Memory ManagementF None of the above

单选题You notice that the performance of your production 24/7 Oracle database significantly degraded.Sometimes you are not able to connect to the instance because it hangs. You do not want to restart thedatabase instance.How can you detect the cause of the degraded performance?()AEnable Memory Access Mode, which reads performance data from SGA.BUse emergency monitoring to fetch data directly from SGA analysis.CRun Automatic Database Diagnostic Monitor (ADDM) to fetch information from the latest Automatic Workload Repository (AWR) snapshots.DUse Active Session History (ASH) data and hang analysis in regular performance monitoring.ERun ADDM in diagnostic mode.

单选题You specify a nonzero value for the MEMORY_TARGET initialization parameter, but do not set the PGA_AGGREGATE_TARGET or the SGA_TARGET parameters. You restart your database instance. Which statement about the result is true?()AThe database instance starts, and Oracle sets the default value of SGA_TARGET to the same value as SGA_MAX_SIZEBThe database instance starts, and Oracle automatically tunes memory and allocates 60 percent to the SGA and 40 percent to the PGACThe database instance starts, but Automatic Memory Management is disabledDThe database instance will not start because you did not specify the PGA_AGGREGATE_TARGET or SGA_TARGET parameter

单选题Observe the information in the columns:  1: The SGA     a. Text and parsed forms of all SQL statements  2: The cursor state   b. Run-time memory values for the SQL statement, such as rows retrieved  3: User-session data   c. Security and resource usage information  4:The stack space   d. Local variables for the process  Which option has the correct match between the memory areas and their contents()A1-c,2-b,3-d,4-aB1-c,2-b,3-c,4-aC1-a,2-b,3-c,4-dD1-a,2-b,3-d,4-c

单选题To implement Automatic Management (AMM), you set the following parameters: When you try to start the database instance with these parameter settings, you receive the following error message: SQL startup ORA-00824: cannot set SGA_TARGET or MEMORY_TARGET due to existing internal settings, see alert log for more information. Identify the reason the instance failed to start.()AThe PGA_AGGREGATE_TARGET parameter is set to zero.BThe STATISTICS_LEVEL parameter is setto basic.CBoth the SGA_TARGETandMEMORY_TARGET paramete rsareset.DThe SGA_MAX_SIZEandSGA_TARGET parameter value sare note qual.

单选题The DBA has chosen to manage SGA and PGA memory separately in an OLTP database because of his unique knowledge of the application. Which of these are good starting points to use when configuring the maximum values for SGA and PGA,based on the amount of memory available on the system?()A 20% SGA 80% PGAB 25% SGA 75% PGAC 50% SGA 50% PGAD 75% SGA 25% PGAE 80% SGA 20% PGA

单选题Observe the information in the columns: 1. The SGA                 a. Text and parsed forms of all SQL statements 2. The cursor state       b. Run-time memory values for the SQL statement, such as rows retrieved 3. User-session data    c. Security and resource usage information 4. The stack space      d. Local variables for the process  Which option has the correct match between the memory areas and their contents()A1-c, 2-b, 3-d, 4-aB1-b, 2-c, 3-d, 4-aC1-a, 2-b, 3-c, 4-dD1-a, 2-b, 3-d, 4-c

单选题以下关于SGA和PGA的叙述正确的是()APGA是SGA的一部分,SGA是共享的,但分配后的PGA是不共享的BPGA是客户机内存的一部分,而SGA是服务器内存的一部分CPGA和SGA都是服务器内存的一部分,前者是私有的,后者是共享的DPGA与SGA的总和等于服务器主机内存的总和

单选题What is true of using group functions on columns that contain NULL values?()AGroup functions on columns ignore NULL values.BGroup functions on columns returning dates include NULL values.CGroup functions on columns returning numbers include NULL values.DGroup functions on columns cannot be accurately used on columns that contain NULL values.EGroup functions on columns include NULL values in calculations if you use the keyword INC_NULLS.