The TRANS_SUMMARY table contains product-wise transaction details that get updated with every transactionin the system. Each row has cumulative transaction details of a single product and every product is identified bya product code, which is the primary key.As part of the archival process, the company wants to transfer therows in the TRANS_SUMMARY table to the TRANS_SUMMARY_DUP table at the end of every quarter of theyear. Along with existing products, the company deals with many new products during every quarter.
A: Using the MERGE command
B: Using the SQL*Loader utility
C: Using the correlated UPDATE command
D: Using the INSERT command to perform bulk operation
A: Using the MERGE command
B: Using the SQL*Loader utility
C: Using the correlated UPDATE command
D: Using the INSERT command to perform bulk operation
举一反三
- The company issues an annual report every March. A: a yearly B: a comprehensive C: a financial D: a product
- What will Bill’s company do if a customer has an allergy after using its product? A: Make an apology to the customer. B: Recall the product from the customer. C: Return the money to the customer. D: /
- Which of the following sentences are correct when using with the verbs: go, play and do? ( ) A: I like playing table tennes. B: I will go skating this winter. C: she does yoga every weekend. D: They do badminton together every Sunday.
- You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance which is named Instance01. Instance01 contains a database which is named SellingHelp. There isthe Products table in the SellingHelp database. Now according to the company requirement, the Products table has to be replicated to the SQL Server instances installed in laptopscomputers. You have to create a Replication topology to perform this. The Products table is updated from Instance01 when the laptops reconnect to the corporate network. The Products table on Instance01 is frequently updated between reconnections. You must make sure that you can implement the Replication topology along with the Subscription type successfully and meanwhile reduce the bandwidth usage to the least. So what action should you perform to achieve this goal?() A: You should implement the Snapshot Replication topology along with a Push Subscription. B: You should implement the Merge Replication topology along with a Pull Subscription. C: You should implement the Snapshot Replication topology along with a Pull Subscription. D: You should implement the Transactional Replication topology along with a Pull Subscription
- You are modifying a table named Product in a SQL Server 2005 database. You want to add a new column named FriendlyName to the Product table. A friendly name for each product will be stored in this column. The table currently contains data. Thesales department has not yet created a friendly name for each product. FriendlyName is a required value for each product. You want to add this new column by using the least amount of effort. What should you do?() A: Define the new column as NUL B: Update the FriendlyName column to the same valueas the productName column. Alter the FriendlyName column to be NOT NUL C: D: Define the new column as NOT NULL with a default value of ’Undefined.’ E: Define the new column as NUL F: Use application logic to enforce the data constraint. G: Define the new column as NULL with a default value of ’Undefined.’