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Lazy Loading is a design pattern used to postpone object initialization as much as possible.
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Cascading in a database can be used to automate actions such as deletion or updating of data in tables dependent on changes made in a parent table.
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Backup and recovery mechanisms in database management systems allow data restoration in case of failure
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An ER diagram is not a tool used to visually represent the relationships between database entities.
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Horizontal fragmentation divides a relation into disjoint tuple sets using a qualification condition
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Transactions are a collection of successive DB operations that modify a database from a consistent state to an inconsistent state.
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Correctness requirements for fragmentation in a VDBMS include reconstructibility, completeness, and disjointness to ensure data consistency and integrity across fragmented sets
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'Full table scan' does not refer to a database operation where the database engine scans every row in a table to satisfy a query
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If at least one participant in a 2PC transaction votes no during the voting phase, the coordinator writes an abort record to its local log, signaling the failure of the global transaction, and sends abort messages to all participants
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SQL is the only language that can be used to interact with a relational database management system
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