SQL中向基本表增加字段的语句为 A: INSERT INTO B: UPDATE COLUMN C: AIJTER TABLE ADD D: MODIFY COLUMN ADD

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2022-10-26 问题

SQL中向基本表增加字段的语句为 A: INSERT INTO B: UPDATE COLUMN C: AIJTER TABLE ADD D: MODIFY COLUMN ADD

2022-06-06 问题

连线题(副本) In the text, there are many names and ideas mentioned .Scan and match the idea presented in Column B with the person in Column A. there are more names listed.

2022-05-31 问题

A column that fails due to normal stress, is called ( ) A: short column B: long column C: weak column D: medium column

2022-06-08 问题

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.’

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.’

2022-05-31 问题

Which one of the followings columns has the highest column efficiency? A: packed column B: WCOT column C: SCOT column D: PLOT column

2022-06-09 问题

Identify the column where the formatting rules have not been applied. A: Date column B: Ref column C: Item $ column D: Bal $ column

2022-06-19 问题

A column in journals and ledger accounts used to cross reference journal and ledger entries is the__________. A: account balance column B: debit column C: posting reference column D: credit column E: description column

A column in journals and ledger accounts used to cross reference journal and ledger entries is the__________. A: account balance column B: debit column C: posting reference column D: credit column E: description column

2022-06-07 问题