Write down responsibilities of database administrator

Assignment Help Database Management System

Reference no: EM1371408

1) What are the responsibilities of the database administrator (DBA)? Could you outline the tasks that he/she has to perform, and what could be the consequences if these matters are not handled?

2) Compare the two non-sequential file structure models: the random (hashed) file and the index file. What advantages does the first one have over the second and what advantages does the second have over the first? What would be your criteria for choosing one over the other for different applications?

Reference no: EM1371408

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