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What are the comparison operator in SQL?
Comparison operator in SQL are =, LIKE and BETWEEN
To eliminate duplicate rows (distinct operator) Example: SELECT DISTINCT DEPTNO FROM EMP;
Describe Application programming interface? Application Programming Interface - Commercial SQL implementations take one of the two primary techniques for involving SQL in a p
Define object-relational systems? Systems that give object-oriented extensions to relational systems are known as object-relational systems.
What type of view of total database content? Data base content Conceptual view of total database contain.
For problems 1-4, give all candidate keys for the tables with FDs specified. Composite candidate keys must be put in parentheses, and candidate keys must be separated with commas
Write short notes on relational constraints? Relational Constraints are: 1. NOT NULL 2. Unique 3. Primary key 4. Foreign key 5. Table check
Explain degree of relation? Degree of a Relation - The degree or arity of a relation is the number of attributes n of its relation schema.
write program
Explain the Deferred Update The deferred update methods do not physically update the database on disk till after a transaction reaches its commit point; after that the updates
What are the comparison operator in SQL? Comparison operator in SQL are =, LIKE and BETWEEN
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