Complete Notes on DB2

Three types of page locks can be held in DB2: Exclusive Update Share In IBM DB2, there are two main types of page locks: Intent Page Locks (IPLs): These locks are acquired on a page to indicate the intent of a transaction to acquire locks on lower-level resources, such as row or table locks. Intent … Read more

Locking can be applied on either of Page, table and table space. In IBM Db2, locks can be applied at different levels to control access and ensure data consistency. The levels at which locks can be applied in Db2 are: Row Level: Locks are applied at the row level, meaning that a specific row of … Read more

Locks can be classified based on size, duration and mode. In DB2, locks can be classified based on various criteria. The most common classification is based on the scope and duration of the lock. Here are the main types of locks in DB2: Shared Locks (S): These locks are used for read operations. Multiple transactions … Read more

Locking services are provided by Locking services component known as “Internal Resource Lock Manager” (IRLM) and manages concurrency issues and deadlocks. In IBM Db2, the Deadlock Detector is responsible for managing deadlocks. The Deadlock Detector is a component of the Db2 system that monitors for deadlock situations and takes corrective action when a deadlock is … Read more

DB2 also known IBM Db2 is a relational database management system (RDBMS) product form IBM. It is designed to store, analyse and retrieve data efficiently. DB2, developed by IBM, is a family of data management products, including database servers, developed to store, retrieve, and analyze data. It is a relational database management system (RDBMS) that … Read more