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timilearning.com | ||
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johnjr.dev
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| | | | | When we study transactions in relational databases, one of the first things we learn are the guarantees that a transaction must provide. ACID(Atomicity, Consistency, Isolation, Durability) are the properties that we desire. Here, I will discuss the Isolation level in more detail and show that atomicity alone is not enough when handling concurrency. One classic example of the importance of atomicity is moving money between accounts. So, imagine that we have two accounts and we would like to transfer the total amount from one account to another one. In a relational database, what we need to do is three steps: | |
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www.ahmed-ibrahim.com
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| | | | | What is the Database transaction? A transaction is a single logical unit of work which accesses and possibly modifies the contents of a... | |
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blog.dancrisan.com
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| | | | | In real life, users access a database concurrently. Database access is done through transactions. What is a transaction? a unit of work that has to be treated as "a whole" it has to happen in full or not at all A real life example of a transaction... | Dan Crisan | Techie, Blogger, Diversity Advocate and A Little Bit More . This is my technical blog (: | |
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preethikasireddy.com
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| | | Distributed systems can be difficult to understand, mainly because the knowledge surrounding them is distributed. But don't worry, I'm well aware of the irony. While teaching myself distributed computing, I fell flat on my face many times. Now, after many trials and tribulations... | ||
