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• Explain why it is important, from a business perspective, to be able to easily limit data retrieved from a table.. • Construct and produce output using a SQL query containing
the WHERE clause or the join condition is invalid, the Oracle Server returns the Cartesian product of the two tables. • This is a combination of each row of one table with
– The number of columns and the data types of the columns must be identical in all of the SELECT statements used in the query.. – The names of the columns need not
• The number of columns and their data types in the column list of the INSERT clause must match the number of columns and their data types in the subquery. • The subquery is
creation statement, the Oracle database will create a Check Constraint in the database to enforce a value in the NOT NULL column. • This constraint creation can be almost invisible
CREATE or ALTER TABLE statement, the constraint is automatically enabled (enforced) by Oracle unless it is specifically created in a disabled state using the DISABLE
• Create and execute a function-based index • Create private and public synonyms... Copyright © 2015, Oracle and/or
– Create a view named V2 that returns the highest salary, lowest salary, average salary, and department name.. Write
