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Explain Locking? |
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Answer» Locking is denying OTHERS the ability to update a record until someone completes the update or releases the record. Locking can occur on many different LEVELS in a database. It can occur at the database, table, record, or field LEVEL. A lock can be shared (another can read the record while an update is in PROGRESS) or exclusive (no one can read the record while an update is in progress). Locking is denying others the ability to update a record until someone completes the update or releases the record. Locking can occur on many different levels in a database. It can occur at the database, table, record, or field level. A lock can be shared (another can read the record while an update is in progress) or exclusive (no one can read the record while an update is in progress). |
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