What Is The Difference Between A Shared Lock And Exclusive Lock at Craig Eva blog

What Is The Difference Between A Shared Lock And Exclusive Lock. The point of a read lock is to. Shared locks are used when a transaction is updating data and other. This also ensures that the data or information of a page will be reserved exclusively for those. This is in contrast to an exclusive lock, where only one transaction can be holding the lock at any given time. Shared locks and exclusive locks are used in databases. Read locks are also known as shared locks because more than one process can read at the same time. In the shared lock, many transactions may hold a lock on the same data item. So there can be multiple holders of a shared lock, or a single holder of. However, while a shared lock is held, any attempt by another transaction to acquire an exclusive lock on the same data will be blocked. This method of locking differentiates the locks based on their usage. However, if a transaction demands a write query on item x, then that transaction must be given exclusive access to item x. When more than one transaction is allowed to read the data.

When more than one transaction is allowed to read the data. Read locks are also known as shared locks because more than one process can read at the same time. Shared locks and exclusive locks are used in databases. So there can be multiple holders of a shared lock, or a single holder of. However, if a transaction demands a write query on item x, then that transaction must be given exclusive access to item x. The point of a read lock is to. This is in contrast to an exclusive lock, where only one transaction can be holding the lock at any given time. This method of locking differentiates the locks based on their usage. This also ensures that the data or information of a page will be reserved exclusively for those. In the shared lock, many transactions may hold a lock on the same data item.

PPT Database Systems II Concurrency Control PowerPoint Presentation

What Is The Difference Between A Shared Lock And Exclusive Lock When more than one transaction is allowed to read the data. So there can be multiple holders of a shared lock, or a single holder of. However, if a transaction demands a write query on item x, then that transaction must be given exclusive access to item x. Shared locks are used when a transaction is updating data and other. The point of a read lock is to. In the shared lock, many transactions may hold a lock on the same data item. When more than one transaction is allowed to read the data. Shared locks and exclusive locks are used in databases. This also ensures that the data or information of a page will be reserved exclusively for those. This method of locking differentiates the locks based on their usage. However, while a shared lock is held, any attempt by another transaction to acquire an exclusive lock on the same data will be blocked. Read locks are also known as shared locks because more than one process can read at the same time. This is in contrast to an exclusive lock, where only one transaction can be holding the lock at any given time.