Oracle Database – Locks
Oracle Database is the most advanced and reliable relational database management system available. It enables organizations of all sizes to safely store, manage and process data. The system is designed to meet the needs of business users, IT professionals, and developers. Oracle Database is highly scalable, secure, and reliable. With its advanced features, customers can easily secure their data and gain valuable insights.
One of the powerful features of Oracle Database is the use of locks. A lock is an object placed on a database record or table to ensure that any transaction that requires exclusive access to the record or table is completed successfully. A lock is released after the transaction is complete and the record or table is free for other users to access.
Oracle Database locks can be classified into two types: shared and exclusive. In a shared lock, any activity that requires access to the record in question will be allowed, as long as there is no change. An exclusive lock can only be obtained by a single transaction. No other transaction can obtain the same lock, regardless of their request.
Oracle Database also enables users to use “intent locks,” which allow users to lock an entire table or range of records. This is useful when performing mass updates, as the database server can verify that the entire table or range is locked by a single transaction.
Oracle Database is a powerful and reliable tool, and one of its most important features is the use of locks. Locks ensure that the database is kept secure and all transactions are processed correctly. Oracle Database helps ensure that data integrity and security are maintained, and locks are one of the ways that it does so.
FAQ about Oracle Database Locks
Q1: What is a lock?
A: A lock is an object placed on a database record or table to ensure that any transaction that requires exclusive access to the record or table is completed successfully.
Q2: What types of locks are available?
A: Oracle Database supports shared and exclusive locks, as well as intent locks. Shared locks allow any activity that requires access to a record or table, as long as no modifications are made. Exclusive locks are exclusive to a single transaction, while intent locks allow users to lock an entire table or range of records.
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