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Database Management Questions - PostgreSQL

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Explain PostgreSQL roles and privileges system.
Database Management PostgreSQL Subjective
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What is PostgreSQL logical decoding and its applications?
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Explain PostgreSQL constraint types and their usage.
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Which SQL command is used to create a table in PostgreSQL?
Database Management PostgreSQL Mcq
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What does SQL stand for?
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Which command is used to delete a table in PostgreSQL?
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What is the PostgreSQL command line interface called?
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Which PostgreSQL data type stores true/false values?
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What is the purpose of the LIMIT clause?
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Which JOIN returns all rows from both tables?
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What does the DISTINCT keyword do?
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Which aggregate function calculates the average?
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What is the purpose of PostgreSQL sequences?
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Which PostgreSQL feature allows custom data types?
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What is the maximum number of columns in a PostgreSQL table?
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