# Transaction Management A **transaction** is a series of operations that performs a single logical function in a database application. The transaction management component of a DBMS ensures that the database remains consistent despite system failures or transaction failures. A **concurrency-control manager** controls the interaction between concurrent transactions so as to ensure consistency of the database. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://vikram-bajaj.gitbook.io/cs-gy-6083-principles-of-database-systems/main-1/dbms-internals/trabsaction-management.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.