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In the architecture of a database system which external level used? In the architecture of a database system view external level used.
Describe the two types of methods for retrieving rows in Python? Fetchone()- Returns the next row as a sequence Fetch all()- Returns the entire result set like a strin
Give some encryption techniques? A) DES B) AES C) Public key encryption
State about the Activity Diagram Activity diagrams show flow from one activity to other. It is an ongoing non atomic execution within a state machine. Activity finally results
What is object identity? An object retains its identity even if some or all the values of variables or explanations of methods change overtime.
what is binary relationship
What is difference between TRUNCATE and DELETE? - Truncate can't be rolled back whereas Delete can be. - Truncate keeps the lock on table whereas Delete keeps the lock on ea
Explain the three data models namely relational, network and hierarchical and evaluate their relative advantages and disadvantages. Hierarchical Model: In hierarchical model, da
Difference between Operating System and Database Security Security within the operating system can be executed at various levels ranging from passwords for access to system, t
Is it mandatory to declare all the tables in Report by the key word tables for all the tables that exist in the structure of LDB, and are being explained in the Database part of LD
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