If you have a 12-character ID made up of letters (A–Z, uppercase) and numbers (0–9), the total number of unique IDs can be calculated as:
This is because there are 36 possible characters (26 letters + 10 numbers) for each position in the 12-character ID.
Calculation:
So, 4.7 quintillion unique IDs are possible.
It would be practically impossible to run out of combinations unless you’re generating billions of IDs per second for many years! Would you like me to break it down further or calculate anything else?
To stop new entries, you can disable the ability to insert data at the database level. This could be done by revoking INSERT permissions or adding triggers to reject new data.
Another way is to fill all possible unique IDs. If every combination has been used, no new entries can be created.
You can also implement validation rules in the application to block new entries after certain criteria, like a maximum count or a specific date.
Finally, enable a system-wide “read-only” or “lock” mode to prevent all modifications, including new entries.
“Exhausting 12-Character IDs in 1 Hour: A Quantum Computing Feat”
To exhaust all 12-character alphanumeric IDs in 1 hour, divide 4.7 quintillion combinations across millions of quantum and classical processors. Leverage quantum superposition for parallel processing, distributed systems for workload management, and massive storage for tracking. Achieving 1.3 quadrillion IDs/sec requires unprecedented computational, networking, and storage resources, beyond current technology.
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