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Database Management Systems | Alkhabay Bakgeldi
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What are the three main components of an ER Diagram?
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In a `LEFT JOIN` between `Table A` (left) and `Table B` (right), if a row in `Table A` has no corresponding match in `Table B`, what will be the value for the columns from `Table B`?
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A `SELF-JOIN` is used to join a table to:
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Which string function in PostgreSQL is used to concatenate two or more strings into one?
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In a relational database model, data is organized into one or more tables of columns and rows. What is another term for rows?
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Which constraint ensures that the value of a column cannot be `NULL`?
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Which category of SQL commands includes `CREATE`, `ALTER`, and `DROP`?
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According to the lecture, what is a database?
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A transitive dependency occurs when:
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What is the main advantage of using the UNION ALL operator compared to the UNION operator?
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