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I applied via Company Website and was interviewed in Jul 2024. There was 1 interview round.
Use SQL query to find the first added row in a table using timestamp or sysdate.
Use ORDER BY clause with timestamp or sysdate column in ascending order
Limit the result to 1 row using FETCH FIRST 1 ROW ONLY or equivalent syntax
Consider using the MIN function with timestamp or sysdate column
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Determining toll for Jamuna Expressway
Consider the distance of the expressway
Analyze the maintenance cost of the expressway
Take into account the traffic volume and expected revenue
Compare with toll rates of similar expressways
Consider the economic status of the region
Consult with experts and stakeholders
Caching is the process of storing frequently used data in a temporary storage to reduce access time. LRU caching removes least recently used data.
Caching improves performance by reducing access time to frequently used data
LRU (Least Recently Used) caching removes the least recently used data to make space for new data
LRU cache can be implemented using a doubly linked list and a hash map
When a cache hit occurs, the acce...
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