Which cascade option enables you to change the data in the primary key in the table on the ONE side of the relationship?
A) Cascade Update Related Fields B) Cascade Update Related Records
C) Enforce Referential Integrity D) Cascade Delete Related Records
A
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Calculate the record size R in bytes.
Consider a disk with block size B=512 bytes. A block pointer is P=6 bytes long, and a record pointer is P R =7 bytes long. A file has r=30,000 EMPLOYEE records of fixed-length. Each record has the following fields: NAME (30 bytes), SSN (9 bytes), DEPARTMENTCODE (9 bytes), ADDRESS (40 bytes), PHONE (9 bytes), BIRTHDATE (8 bytes), SEX (1 byte), JOBCODE (4 bytes), SALARY (4 bytes, real number). An additional byte is used as a deletion marker.
Tab stops can be relocated by dragging the tab stop marker to the desired location on the horizontal ruler
Indicate whether the statement is true or false
Answer the following statement(s) true (T) or false (F)
Investigating smartphones and other mobile devices is a relatively easy task in digital forensics.
A correct decision symbol has __________ flowlines emerging from it.
a) 4 b) 3 c) 2 d) 1