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March 29, 2026 · 1 min read

Can you explain the time complexity of a basic SQL query that retrieves all records from a large table?

The time complexity of retrieving all records from a large table is O(n), where n is the number of records. This is because every record must be scanned to retrieve…

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📅 Mar 29, 2026 ⏱ 1 min read

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Can you explain the time complexity of a basic SQL query that retrieves all records from a large table?

COVER // CAN YOU EXPLAIN THE TIME COMPLEXITY OF A BASIC SQL QUERY THAT RETRIEVES ALL RECORDS FROM A LARGE TABLE?

The time complexity of retrieving all records from a large table is O(n), where n is the number of records. This is because every record must be scanned to retrieve the data.

databases performance query-optimization sql

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