A programmer needs an element that will automatically store customer orders consecutively by order number every time a new order is placed. Which of the following elements should be used?

The correct answer is B. Sequence. A sequence is an element that will automatically store customer orders consecutively by order number every time a new order is placed. A sequence is a database object that generates sequential numbers according to a specified rule. A sequence can be used to create unique identifi

Database Fundamentals

Question

Options

AVector
BSequence
CArray
DConstant

How the community answered

(45 responses)

A
2% (1)
B
89% (40)
C
7% (3)
D
2% (1)

Explanation

A sequence is an element that will automatically store customer orders consecutively by order number every time a new order is placed. A sequence is a database object that generates sequential numbers according to a specified rule. A sequence can be used to create unique identifiers for records in a table, such as order numbers or customer IDs.

Topics

#database elements#sequences#data structures#ordered data

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