1. Basic to intermediate level SQL questions. 2. Performance tuning 3. SQL query-based problem solving
Desarrollador Oracle Pl Sql Interview Questions
1,525 desarrollador oracle pl sql interview questions shared by candidates
why you want to leave current position
In Python 1) Binary search, binary tree traversal. 2) Reading the data from a file and counting the number of times a word repeated frequently. and finding 5 of the words which are repeated most frequently.
How to optimize slow running query?
If you have a left join with criteria, how does moving criteria in to the where statement change the query?
How does a dirty read differ from snapshot transaction?
If you have a table with a massive amount of records and the table can't change, how would you optimize a query that's taking too long? (This is more about getting results as fast as possible and not pigeon holing the solution to a query.) Assuming the query has been optimized, what else can you do to speed up performance? (Prepare to enter DBA and systems architect territory at this point.)
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Add a row Delete a row Update a row what is the definition of "table" and "row" arrange in ascending and descending order
What is a stored procedure and view?
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