SQL

MINUS Operator In Oracle

MINUS Operator In Oracle MINUS returns all the distinct rows from first select statement which… Read More

INTERSECT Operator In Oracle

INTERSECT Operator In Oracle INTERSECT operators returns the distinct common rows from each query. Below… Read More

UNION Operator In Oracle

Oracle SET Operators Oracle SET operators combine two or more queries and return single set… Read More

SYNONYMS in Oracle

SYNONYMS in Oracle Synonyms are data base objects which is created to provide a new… Read More

VIEWS in Oracle

VIEWS in Oracle VIEW is a database object which does not contain any data but… Read More

SEQUENCE in Oracle

SEQUENCE in Oracle SEQUENCE is used to generate unique numbers automatically in oracleIt is a… Read More

CHECK Constraint in Oracle

CHECK Constraint in Oracle CHECK constraint defines a rule or condition which every row must… Read More

FOREIGN KEY Constraint in Oracle

FOREIGN KEY Constraint in Oracle FOREIGN KEY is a referential integrity constraint.It establishes a relationship… Read More

PRIMARY KEY Constraint in Oracle

PRIMARY KEY Constraint in Oracle The PRIMARY KEY enforces the uniqueness in table.PRIMARY KEY can… Read More

UNIQUE Constraint in Oracle

UNIQUE Constraint in Oracle An UNIQUE constraint specified that a column or a group of… Read More