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Explain the term High level DML?
High level DML A high-level or non-procedural DML permit the user to specify what data is needed without specifying how it is to be acquired. Several DBMSs permit high-level DML statements either to be entered interactively from a terminal or to be embedded in a general-purpose programming language.
differences between a classified catalog and a dictionary catalog
define lock conversion
Data Scrubbing 70,000 records Project Description: We need services of a developer competent in data cleansing/Data scrubbing. Scope: - 70,000 records in CSV format.
explain external view
What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
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
How does the two phase protocol ensure serializability in database schedules? Ans: A transaction is termed to follow the two-phase locking protocol if all locking operations
Where does view definition stored? A view definition is permanently stored as part of the database.
What is an ERD?
how to design tables
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