Practice IB Computer Science (First Exam 2027) Topic A3 Databases with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for A3 Databases and mirrors Paper 1, 2 style where relevant.
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A field is defined to store a percentage as a whole number between 0 and 100, but is given a data type that also permits negative values. the risk this creates.
A supermarket chain operates an operational relational database for tills and a separate data warehouse for analysis.
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A distributed database stores copies of the same data on several machines. the term for this, and one benefit.
A booking platform allows seats to be reserved simultaneously through servers on two continents. why concurrency control is more complex in a distributed database than in a single-site one.
A bank divides its customer records across four servers by account number range.
how data partitioning works in a distributed database.
