If a DEFAULT Constraint Is Included When a New Column

question 78

Multiple Choice

If a DEFAULT constraint is included when a new column is added to a table,the default value is applied to ________.

• A)all existing rows at the time the column is added
• B)all new rows
• C)all new rows but only after the UPDATE command is issued
• D)Both A and B are correct

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Definitions:

Quantitative Method

A research technique that focuses on quantifying the collection and analysis of data, primarily using statistical tools to establish relationships and test hypotheses.

Delphi Technique

A method for forecasting and decision-making that involves a panel of experts answering questionnaires in several rounds, with anonymous summaries of their opinions provided after each round to achieve consensus.

Nominal Group Technique

A structured method for group brainstorming that encourages contributions from everyone in the group and is used for generating and prioritizing ideas.

Assumptions

Preliminary ideas or beliefs taken as truth without verification, often used as a basis for theoretical models or planning.