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In shared lock which is applied in reading time , the others can write the data ?
Question is related to dbms
6 Answers
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please make the question more clear, I donât understand
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I think most importent is: what is dbms?
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Dbms means data base management system concept
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In data base concept we have transaction concept, there we have two types locks
1: shared lock đ applied in data reading time
2: exclusive lock đ applied in data writing time
So in case a shared lock is already applied , other can either read or write too
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Database management system
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No, when one query has locked an item for reading, no other query may write to that item to avoid inconsistencies on the readers point of view.
Atleast thatâs how it was taught to me.