Chapter 8: Database Concepts
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Database system is:
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Data inconsistency occurs due to:
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DBMS improves:
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Referential integrity relates to:
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Integrity constraints ensure:
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Redundancy leads to:
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Instance means:
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Schema is:
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Attribute describes:
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Entity represents:
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Example of relational DBMS:
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DBMS allows:
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DBMS ensures:
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Data independence means:
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View level describes:
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Logical level describes:
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Physical level describes:
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Levels of abstraction include:
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Data abstraction means:
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DBMS acts as:
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Unique key ensures:
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Foreign key references:
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Composite key consists of:
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Foreign key is used to:
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Alternate key is:
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Primary key cannot be:
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Primary key cannot have:
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Primary key is:
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Candidate key is:
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Key is used to:
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Relational model was proposed by:
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Each cell contains:
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A relation must have:
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Domain means:
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A table is also known as:
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Cardinality refers to:
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Degree of a relation means:
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Column in a table is called:
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A row in a table is called:
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Data in relational model is stored in:
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Example of DBMS:
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DBMS provides:
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File system lacks:
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DBMS reduces:
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DBMS is:
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DBMS stands for:
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Data redundancy means:
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Major drawback of file system:
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File system stores data in:
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A database is:
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