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Christine Harrell's Articles in Databases

  • Learn about Subqueries in Access Courses
    An understanding of queries is critical to database management. Once you master queries, a subquery is a powerful tool that greatly expands your abilities to get exactly the data you need.
  • Backing up Critical Data: Tape Backup Drives and Tape Libraries
    Although tape storage is one of the older ways to backup computer data, it remains one of the most popular and reliable ways to store data. Tape backup drives have come a long way since IBM developed the technology in the 1950's.

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