Question: Use the database composed of the two tables shown in Figure Q3.18. Identify the primary keys. Figure Q3.18. Table name: DIRECTOR DIR_NUM DIR_LNAME DIR_DOB 100

Use the database composed of the two tables shown in Figure Q3.18.

Identify the primary keys.

Figure Q3.18.

Table name: DIRECTOR DIR_NUM DIR_LNAME DIR_DOB 100 Broadway 12-Jan-65 18-Nov-53 101 Hollywoody 21-Jun-62 102 Goofy Table

Table name: DIRECTOR DIR_NUM DIR_LNAME DIR_DOB 100 Broadway 12-Jan-65 18-Nov-53 101 Hollywoody 21-Jun-62 102 Goofy Table name: PLAY PLAY_NAME 1001 Cat On a Cold, Bare Roof 1002 Hold the Mayo, Pass the Bread 1003 I Never Promised You Coffee 1004 Silly Putty Goes To Washington 1005 See No Sound, Hear No Sight PLAY CODE DIR_NUM 102 101 102 100 101 1006 Starstruck in Biloxi 102 1007 Stranger In Parrot Ice 101

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