implementing valuebased auditing by using triggers
implementing finegrained auditing with audit condition and event handler
performing standard database auditing to audit object privileges by setting the AUDIT_TRAIL parameter to EXTENDED
performing standard database auditing to audit SQL statements with granularity level set to ACCESS
第1题:
At the end of the financial year, an accounts accumulation batch is run. This batch updates the company’s accounting records. During the batch run process, some incorrect entries were inserted into the ACCOUNT table. You identified the bug and immediately stopped the batch run process, but 3000 incorrect records were inserted into the ACCOUNT table before the batch process was stopped. You want to recover the table to the state it was at 11:50 P.M. Which flashback feature will you use?()
第2题:
The SAVE_AMT column in the ACCOUNTS table contains the balance details of customers in a bank. As part of the year/x7fend tax and interest calculation process, all the rows in the table need to be accessed. The bank authorities want to track access to the rows containing balance amounts exceeding $200,000, and then send an alert message to the administrator. Which method would you suggest to the bank for achieving this task?()
第3题:
You create a table in your database that contains 50,000 rows approximately. The queries performed on the table are complex and performed on the table frequently. Which advisor helps you achieve the best performance of database for queries by recommending the appropriate indexes?()
第4题:
Which two operations can be performed on an external table()
第5题:
You are a professional level SQL Server 2005 database administrator in an international corporation named Wiikigo. You are experienced in implementing high-availability solutions, monitoring the database server, and design deployment. In the company, you major job is the deployment, maintenance and support of Microsoft SQL Server 2005. You work as a database administrator for your company. A SQL Server 2005 computer is managed by you, and a database named Customers is included by the SQL Server 2005 computer. A table named CustInfo is included by the database. An identity column named CustID and an nvarchar column named CustName are included by the table. According to the company requirement, rows which duplicate CustName values are included should be moved from the CustInfo table every year. However, the company requests to have rows removed from the CustInfo table after the rows have been manually examined and verified as being duplicates. Since you are the technical support, you are required to think out a method to have potential duplicate rows identified for manual examination. The minimum amount of administrative effort should be utilized. Which action should be performed to finish the task?()
第6题:
An update in a leaf row takes place.
The index becomes invalid after the update.
The leaf block containing the row to be updated is marked as invalid.
A row in the leaf block of the index for the key value is deleted and inserted.
第7题:
RMAN only
Flashback Table only
Flashback Versions Query only
Flashback Database and Flashback Transaction Query
Flashback Versions Query and Flashback Transaction Query
第8题:
Create a view on the table.
Create an index on the table.
Create a synonym on the table.
Add a virtual column to the table.
Update the table using the UPDATE statement.
Delete rows in the table using the DELETE command
第9题:
implementing value-based auditing by using triggers
implementing fine-grained auditing with audit condition and event handler
performing standard database auditing to audit object privileges by setting the AUDIT_TRAIL parameter to EXTENDED
performing standard database auditing to audit SQL statements with granularity level set to ACCESS
第10题:
A trigger should be created for the CustInfo table so as to roll back INSERT queries that duplicate data is included.
A new unique index should be created on the CustName column. And then, IGNORE_DUP_KEY = ON should be specified when creating index.
On the CustName column, a foreign key constraint should be created, and a distinct list of CustName values is referenced by the foreign key constraint.
A SELECT INTO query should be utilized, and GROUP BY and HAVING clauses should be included by the query to create a new table that contains duplicate rows from the CustInfo table.
第11题:
using the MERGE command
using the SQL*Loader utility
using the correlated UPDATE command
using the INSERT command to perform bulk operation
第12题:
CLOB
BLOB
BFILE
LONG RAW
第13题:
The ST_INFO master table has millions of rows that are updated very rarely. It has a STATE_CODE column that contains the value for 25 states. The table is frequently queried on the STATE_CODE column. Which type of index would you suggest to improve the query performance?()
第14题:
You need to change the definition of an existing table. The COMMERCIALS table needs its DESCRIPTION column changed to hold varying length characters up to 2000 bytes. The column can currently hold 1000 bytes per value. The table contains 20000 rows. Which statement is valid?()
第15题:
You want to access employee details contained in flat files as part of the EMPLOYEE table. You plan to add anew column to the EMPLOYEE table to achieve this. Which data type would you use for the new column()
第16题:
The SCOTT user has an index on the ITEM_DESC column of the ITEM table. As part of the year-ending task, SCOTT updates the ITEM_DESC column for most of the rows in the ITEM table. How does this change to the table affect the index?()
第17题:
SQL Access Advisor
Memory Advisor
SQL Tuning Advisor
Segment Advisor
第18题:
implementing valuebased auditing by using triggers
implementing finegrained auditing with audit condition and event handler
performing standard database auditing to audit object privileges by setting the AUDIT_TRAIL parameter to EXTENDED
performing standard database auditing to audit SQL statements with granularity level set to ACCESS
第19题:
Btree
bitmap
reverse key
function based
第20题:
Define the new column as NULL.Update the FriendlyName column to the same value as the productName column. Alter the FriendlyName column to be NOT NULL.
Define the new column as NOT NULL with a default value of ’Undefined.’
Define the new column as NULL. Use application logic to enforce the data constraint.
Define the new column as NULL with a default value of ’Undefined.’
第21题:
Flashback Drop
Flashback Database
Flashback Table
Flashback Version Query
第22题:
It contains routes learned dynamically only.
It finds the best path to each destination by using a modified shortest-path-first calculation.
It contains only active BGP routes.
It contains all accepted routes to all destinations.
第23题:
Drop the foreign key. Import the data by using the script. Re-create the foreign key.
Create a CHECK constraint.
Create a DML INSTEAD OF trigger that writes the failed records to a file or table.
Create a DML AFTER trigger that writes the failed records to a file or table.
第24题:
ALTER TABLE commercials MODIFY (description CHAR2(2000));
ALTER TABLE commercials CHANGE (description CHAR2(2000));
ALTER TABLE commercials CHANGE (description VARCHAR2(2000));
ALTER TABLE commercials MODIFY (description VARCHAR2(2000));
You cannot increase the size of a column if the table has rows.