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online testing on SQL
I am not sure here is appropriate place to post this
I had done SQL online testing long time ago, and that was very easy test for me ( got like 95%)
anyone know there is other online testing agency which may give harder questions?
I don't want to do free test , as most of them are very easy, I am willing to pay to practice a couple hrs
Not sure what your trying to achieve, if its resume padding then try an SQL certification course.
On a practical side for testing you mostly need to know what an ER diagram is and how to construct select statements to check data during testing. If you want a challenge build two separate DB's with completely different Schemas and construct an ETL process to move data from one to the other, deliberately create extra required fields in one or both of the DB's.
From all the projects I have worked on, data migration is a very underestimated technical challenge especially when the DB's are different products. I have seen schedules slaughtered and projects cancelled due to data migration issues. Some PM's seem to think its a drag and drop exercise like in an excel spreadsheet or opening a csv file.