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Multiple column Queries: Syntax: SELECT COLUMN1, COL2,...... FROM TABLE WHERE (COLUMN1, COL2, ...) IN (SELECT COLUMN1, COL2,.... FROM TABLE WHERE );
What Command You Use What Day of the week were you born
Foreign Keys and NULL Let us take the relation: DEPT DEPT ID DNAME BUDGET D1 M
Mention the type of constraints we can specify in the CREATE command of DDL. The type of constraints that can be specified are as follows:- PRIMARY KEY, NOT NULL, UNIQUE, FOR
find a name whose address is erode from student table
What is meant by the degree of relationship set? The degree of relationship type is the number of participating entity types.
explain various steps uses in evaluation and maintenance of MIS.
as a customer service employee, explain five measures you would recommend a displeased student to patronise a school canteen
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
What are the two types of indices? The two types of indices are:- A) Dense index B) Sparse index
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