Write a query to create a view that shows for each order the salesman and customer by name.
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Consider a database table T containing two columns X and Y each of type integer. After the creation of the table, one record (X=1, Y=1) is inserted in the table. Let MX and My denote the respective maximum values ...
If we have database, then how can we tell the data in the “database is secured”. Also what is meant by “data validation”
Create a package which includes a function to return a square of a number if it is positive else return an error message to the user.
The following table has two attributes A and C where A is the primary key and C is the foreign key referencing A with on-delete cascade.
Create a package which includes a function to return a square of a number if it is positive else return an error message to the user.