Computer science questions

Describe DBLC (Database Life Cycle) and its phases.
Describe concurrency in a DBMS and how it is managed.
For the following tables write the required SQL statements:

  1. Write an SQL statement to create the PET table.
  2. Write an SQL statement to show the breed and type of all pets.
  3. Write an SQL statement to display the breed, type, and DOB of all pets having the type Dog.
  4. Write an SQL statement to show the pet owner’s first name, last name, and pet name. Hint: you need to link PET_OWNER and PET tables.

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