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Table contains patient contact information

PatientID PCP

12345 Dr.A

43156 Dr.F

Table B

65417 111-555-4321

  1. You are looking at another sample data set. Pretend you are working with millions of rows.

110381962 2 12445 1809 439656 439663

110083544 1 2041 264 459067 459074

108974134 1 2029 2355 450220 450227

108974134 2 2045 2355 450220 450227

*ICD9 are Diagnosis codes

Figure 2b. Table is called DIAGNOSIS

2052 122715 245.2 THYROIDITIS CHRONIC LYMPH N

4009 124672 388.3 TINNITUS UNSPECIFIED N

12458 133121 V70.0 HEALTH MAINTENANCE ADULT N

4026 124689 389 HEARING LOSS CONDUCTIVE N

  1. Please give a suggestion as to what the primary key of the ENCV table may be.

  2. What information do you think is stored in the field “ECNV.ICD9”?

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