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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);
In the table so formed please reminder the referential constraint on the foreign key pno in prodtrans table to product table. Any product record if removed from the product table will trigger deletion of all the related records (ON DELETE CASCADE) in the prodtrans table.
Data Handling and Research Methods: The dataset encompassing 130 participants contains several variables measuring detrimental health related behaviours referring to the use o
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To eliminate duplicate rows (distinct operator) Example: SELECT DISTINCT DEPTNO FROM EMP;
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In Database software have only pure security or some dis secured by administrator?
Describe different steps of the object-oriented design process. The broad steps of the object-oriented design process are: a. Define context and modes of use of the system
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