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All you want to know about 'idle in transaction' in PostgreSQL

 In the dynamic world of PostgreSQL databases, one term that often catches the attention of database administrators and developers alike is "Idle in Transaction." But what does it really mean, and how can understanding it help you optimize your PostgreSQL database connections? Let's dive into the intricacies of this concept in simple terms. What is "Idle in Transaction" in PostgreSQL? When you run a query in PostgreSQL, a transaction is initiated. The term "Idle in Transaction" refers to a state where a database connection is sitting idle while being within an open transaction. In simpler terms, the connection has started a transaction but hasn't executed any queries for a while. Why Does "Idle in Transaction" Occur? Application Design: In some cases, the application might keep a transaction open even when there's no immediate need to execute a query, leading to an "Idle in Transaction" state. Connection Pooling: If your ap