The __________ function returns a string that is part of another string.
Fill in the blank(s) with the appropriate word(s).
substring
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The table below lists customer/car hire data. Each customer may hire cars from various outlets throughout Glasgow. A car is registered at a particular outlet and can be hired out to a customer on a given date.
 (a) The data in the table is susceptible to update anomalies. Provide examples of how insertion, deletion, and modification anomalies could occur on this table. (b) Identify the functional dependencies represented by the data shown in the table. State any assumptions you make about the data. (c) Using the functional dependencies identified in part (b), describe and illustrate the process of normalization by converting Table 1 to Third Normal Form (3NF) relations. Identify the primary and foreign keys in your 3NF relations.
A two-dimensional array contains two dimensions: ____.
A. size and scope B. breadth and height C. height and width D. depth and width