Which of the following data types used in SQL could be used to define a fixed-length text field of 20 characters? Select one: a. char(20) b. varchar(20) c. fixed(20) d. bit(20)
Which of the following data types used in SQL could be used to define a fixed-length text field of 20 characters? Select one: a. char(20) b. varchar(20) c. fixed(20) d. bit(20)
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