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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
Index-organized tables
D
Hash clusters
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Your database interface is running. A user SCOTT starts a SQL *Plus session, and issues the following query:SQL SELECT * FROM sales;Which process would retrieve the result from the database and return it to the client program?()A. User processB. Server processC. System Monitor (SMON)D. Process Monitor (PMON)E. Checkpoint process (CKPT)
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Which of the following is a potential performance tuning recommendation from the SQL Access Advisor?()
A. Create new indexes.B. Modify existing indexes.C. Implement partitioning on a nonpartitioned table.D. Create materialized views.E. All of the above
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You are creating a Web-based application to manage data aggregation for reports. The application connects to a SQL Server 2005 database named DataManager. One page in the application has controls that execute stored procedures in a database named ReportingDatabase. There is an existing Service Broker connection between the DataManager database and ReportingDatabase.You want to add two new message types to the existing service. In each database, you create message types named ProcessReport and SendResult. You need to add the two new message types to the existing service. What should you do first?()A、Create a queue on each database with the ACTIVATION argument set to DataManager dbo processReport.B、Create a conversation between the databases by using the following Statement BEGIN DIALOG FROM SERVICE ’ProcessReport’ TO SERVICE ’SendResult’C、Create a contract between the services by using the following statement.CREATE CONTRACT processData (ProcessReport SENT BY INITIATOR,SendResult SENT BY TARGET)D、Create services for each database by using the following statement.CREATE SERVICE DataManager on QUEUE ProcessReport
考题
On which of the following database objects may the SELECT privilege be controlled?()A、SequenceB、SchemaC、GroupD、View
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A number of applications issue the following SQL statement:SELECT d.deptno, e.empno, e.salary FROM department d INNER JOIN employee e ON d.deptno = e.deptnoA database administrator wishes to store this query within the database. Which of the following database objects can be used to accomplish this?()A、AliasB、ViewC、SchemaD、Trigger
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Your database interface is running. A user SCOTT starts a SQL *Plus session, and issues the following query: SQL SELECT * FROM sales; Which process would retrieve the result from the database and return it to the client program?()A、User processB、Server processC、System Monitor (SMON)D、Process Monitor (PMON)E、Checkpoint process (CKPT)
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Which of the following is a potential performance tuning recommendation from the SQL Access Advisor?()A、Create new indexes.B、Modify existing indexes.C、Implement partitioning on a nonpartitioned table.D、Create materialized views.E、All of the above
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Your database supports an online transaction processing (OLTP) application. The application is undergoing some major schema changes, such as addition of new indexes and materialized views. You want to check the impact of these changes on workload performance. What should you use to achieve this?()A、Database replayB、SQL Tuning AdvisorC、SQL Access AdvisorD、SQL Performance AnalyzerE、Automatic Workload Repository compare reports
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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、Index-organized tables D、Hash clusters
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The user Sue issues this SQL statement: GRANT SELECT ON sue. EMP TO alice WITH GRANT OPTION; The user Alice issues this SQL statement: GRANT SELECT ON sue. EMP TO reena WITH GRANT OPTION; The user Reena issues this SQL statement: GRANT SELECT ON sue. EMP TO timber; The user Sue issues this SQL statement: REVOKE select on sue. EMP FROM alice; For which users does the revoke command revoke SELECT privileges on the SUE.EMP table?()A、Alice onlyB、Alice and ReenaC、Alice, Reena, and TimberD、Sue, Alice, Reena, and Timber
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Where can subqueries be used?()A、field names in the SELECT statement B、the FROM clause in the SELECT statement C、the HAVING clause in the SELECT statementD、the GROUP BY clause in the SELECT statement E、the WHERE clause in only the SELECT statement F、the WHERE clause in SELECT as well as all DML statements
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A user issues a SELECT command against the Oracle database. Which of the following choices describes a step that Oracle will execute in support of this statement?()A、Acquire locks on table queried B、Generate redo for statement C、Fetch data from disk into memory D、Write changes to disk
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You are a database administrator for your company. You are responsible for a SQL Server 2005 database that has several indexes. You need to write a stored procedure that checks the indexes for fragmentation. Which Transact-SQL statement should you use?()A、DBCC DBREINDEXB、SELECT * FROM sys.dm_db_index_physical_statsC、DBCC INDEXDEFRAGD、SELECT * FROM sys.indexes
考题
单选题Your database supports an online transaction processing (OLTP) application. The application is undergoing some major schema changes, such as addition of new indexes and materialized views. You want to check the impact of these changes on workload performance. What should you use to achieve this?()A
Database replayB
SQL Tuning AdvisorC
SQL Access AdvisorD
SQL Performance AnalyzerE
Automatic Workload Repository compare reports
考题
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
Index-organized tables D
Hash clusters
考题
单选题In a SELECT statement that includes a WHERE clause, where is the GROUP BY clause placed in the SELECT statement?()A
Immediately after the SELECT clauseB
Before the WHERE clauseC
Before the FROM clauseD
After the ORDER BY clauseE
After the WHERE clause
考题
单选题A user issues a SELECT command against the Oracle database. Which of the following choices describes a step that Oracle will execute in support of this statement?()A
Acquire locks on table queried B
Generate redo for statement C
Fetch data from disk into memory D
Write changes to disk
考题
单选题The user Sue issues this SQL statement: GRANT SELECT ON sue. EMP TO alice WITH GRANT OPTION; The user Alice issues this SQL statement: GRANT SELECT ON sue. EMP TO reena WITH GRANT OPTION; The user Reena issues this SQL statement: GRANT SELECT ON sue. EMP TO timber; The user Sue issues this SQL statement: REVOKE select on sue. EMP FROM alice; For which users does the revoke command revoke SELECT privileges on the SUE.EMP table?()A
Alice onlyB
Alice and ReenaC
Alice, Reena, and TimberD
Sue, Alice, Reena, and Timber
考题
单选题View the Exhibit and examine the structure of the ORDERS and ORDERJTEMS tables. Evaluate the following SQL statement: SELECT oi.order_id, product_jd, order_date FROM order_items oi JOIN orders o USING (order_id); Which statement is true regarding the execution of this SQL statement?()A
The statement would not execute because table aliases are not allowed in the JOIN clause.B
The statement would not execute because the table alias prefix is not used in the USING clause.C
The statement would not execute because all the columns in the SELECT clause are not prefixed with table aliases.D
The statement would not execute because the column part of the USING clause cannot have a qualifier in the SELECT list.
考题
单选题Which of the following is a potential performance tuning recommendation from the SQL Access Advisor?()A
Create new indexes.B
Modify existing indexes.C
Implement partitioning on a nonpartitioned table.D
Create materialized views.E
All of the above
考题
单选题Your database interface is running. A user SCOTT starts a SQL *Plus session, and issues the following query: SQL SELECT * FROM sales; Which process would retrieve the result from the database and return it to the client program?()A
User processB
Server processC
System Monitor (SMON)D
Process Monitor (PMON)E
Checkpoint process (CKPT)
考题
单选题On which of the following database objects may the SELECT privilege be controlled?()A
SequenceB
SchemaC
GroupD
View
考题
单选题A number of applications issue the following SQL statement:SELECT d.deptno, e.empno, e.salary FROM department d INNER JOIN employee e ON d.deptno = e.deptnoA database administrator wishes to store this query within the database. Which of the following database objects can be used to accomplish this?()A
AliasB
ViewC
SchemaD
Trigger
考题
单选题You are creating a Web-based application to manage data aggregation for reports. The application connects to a SQL Server 2005 database named DataManager. One page in the application has controls that execute stored procedures in a database named ReportingDatabase. There is an existing Service Broker connection between the DataManager database and ReportingDatabase.You want to add two new message types to the existing service. In each database, you create message types named ProcessReport and SendResult. You need to add the two new message types to the existing service. What should you do first?()A
Create a queue on each database with the ACTIVATION argument set to DataManager dbo processReport.B
Create a conversation between the databases by using the following Statement BEGIN DIALOG FROM SERVICE ’ProcessReport’ TO SERVICE ’SendResult’C
Create a contract between the services by using the following statement.CREATE CONTRACT processData (ProcessReport SENT BY INITIATOR,SendResult SENT BY TARGET)D
Create services for each database by using the following statement.CREATE SERVICE DataManager on QUEUE ProcessReport
考题
单选题You are a database administrator for your company. You are responsible for a SQL Server 2005 database that has several indexes. You need to write a stored procedure that checks the indexes for fragmentation. Which Transact-SQL statement should you use?()A
DBCC DBREINDEXB
SELECT * FROM sys.dm_db_index_physical_statsC
DBCC INDEXDEFRAGD
SELECT * FROM sys.indexes
考题
单选题Which of the following is a potential performance tuning recommendation from the SQL Access Advisor?()A
Create new indexes.B
Modify existing indexes.C
Implement partitioning on a nonpartitioned table.D
Create materialized views.E
All of the above
考题
单选题Your database interface is running. A user SCOTT starts a SQL *Plus session, and issues the following query: SQL SELECT * FROM sales; Which process would retrieve the result from the database and return it to the client program?()A
User processB
Server processC
System Monitor (SMON)D
Process Monitor (PMON)E
Checkpoint process (CKPT)
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