When Creating a SQL Table, _____

question 12

Multiple Choice

When creating a SQL table, _____.

• A) add the NOT NULL clause for the columns that cannot contain null values
• B) you must add PRIMARY KEY NOT NULL for the primary key column(s)
• C) remember that the default behavior for table columns is to reject null values
• D) include only those columns for which data will always be known and available

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Definitions:

Plants

Multicellular, photosynthetic eukaryotes that increasingly became adapted to live on land.

Sunken Stomata

Stomatal openings located below the surface level of plant epidermis, helping reduce water loss by decreasing transpiration.

Desert

A barren or desolate area, especially one with little water and sparse vegetation, typically receiving less than 25 cm of precipitation a year.

Small Leaves

Leaf adaptation that reduces surface area to minimize water loss, typically found in plants living in dry or windy environments.