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A field-groups statement or an insert statement reverses storage space and transfers values.
False.
What is a candidate key? Minimal super keys are known as candidate keys.
what is object-identity
Explanation on Data Sharing?
The Internal or Physical Level The collection of files permanently stored on secondary storage devices is called as the physical database. The internal or physical level is t
CREATE TABLE prodtrans ( pno number (4) ptype char (1) CHECK (ptype in ('I','R','S')), qty number (5) FOREIGN KEY pno REFERENCES product (pno) ON DELETE CASCADE);
Explain Data Dictionary in short?
Question 1 Explain the functions of the following Storage Manager Buffer Manager Transaction Manager 2 Discuss about system catalog in a relational DBMS 3
Define Database layer? The database layer defines the data formats used in the database.
Explain the components of Database System in details.
Explain Clustering file organization (i) Determine if a record of file is physically ordered on a nonkey field - that does not comprise a different value for each record - that
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