if a user adds a new column to a table that already has rows, the existing rows will default to a value of _____ for the new column.

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20-12-2022
Mathematics

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if a user adds a new column to a table that already has rows, the existing rows will default to a value of _____ for the new column.

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abhinavjh321 abhinavjh321 · Answer 1 · 2022-12-23T23:31:29-05:00

if a user adds a new column to a table that already has rows, the existing rows will default to a value of null for the new column.

When a column is added to a table that has existing rows, the values of the new column will be set to null for all existing rows. This is because the user has not yet specified any values for the new column.

Adding a new column to a table with existing rows will cause the new column values to be set to null for every existing row. This is because the user has not yet specified any values for the new column. This is a default behavior when creating a new column, and it allows the user to specify different values for each row as needed. This is beneficial because it allows the user to easily specify different values for the new column without having to manually enter them for each row.

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