A developer complains that objects in the program do not map neatly onto rows in the database. the object-relational impedance mismatch.
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Practice IB Computer Science (First Exam 2027) Topic A3.1 Database Fundamentals with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for A3.1 Database Fundamentals and mirrors Paper 1, 2 style where relevant.
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A developer complains that objects in the program do not map neatly onto rows in the database. the object-relational impedance mismatch.
A relational database is said to reduce data duplication. one consequence of data duplication that this avoids.
A design complexity objection is raised against relational databases. why designing a relational database is more demanding than creating a single spreadsheet.
A relational database management system is described as having strong community support. why this matters to an organization choosing a database.
A school records attendance in a single table. Each row holds the date, the lesson, and the student's name, form group and parent contact number.
how moving to a properly related set of tables improves data consistency.