Examlex
Describe the format of the ALTER TABLE command to add a new column.
Visible
An attribute of objects in programming and design that determines whether they are displayed or hidden from view.
Conditional Expression
A programming construct that evaluates a condition and executes different code blocks based on whether the condition is true or false.
If Statement
A conditional programming statement that runs a specific block of code when a certain condition is met.
Else Clause
A part of conditional statements in programming that specifies what action to take when the condition in an if statement is not met.
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