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  Tutorial: Locking Issues

User Datagram Protocol or UDP for short is very simple connectionless protocol that can be used to transfer datagram packets in both the direction. Client can send the datagram packets to server and it can also receive the reply from server. UDP does not

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MySQL can manage the contention for table contents by using Locking :

Internal Locking can be performed in the MySQL server itself for managing the contention for table content by multiple threads. This locking is known as internal because this locking is performed entirely by the server and it does not involve any other programs.

External locking is performed when server and other programs lock the table files for coordinating among themselves which program may access the tables at which time.


 

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