Answer:
SELECT column_1, column_2, ... column_n
FROM table_name_1
JOIN table_name_2 ON table_name_1.primaryColumn = table_name_2.foreignKeyColumn
AND table_name_3 ON table_name_1.primaryColumn = table_name_3.foreignKeyColumn
Explanation:
The SQL or structured query language statement returns information from the three tables in the database with the 'select' and 'join' clause in the statement. There are several types of join but the default is the inner join. Other types of join are; outer, left and right join.
Without system software, system can not run on the other hand without application software, system always runs
Explanation:
Formal; A formal information system is based on
the organization represented by the organization chart.
Informal; The informal information system is
employee based system designed
to meet personal and vocational needs
and to help in solution of work-related problems.
Answer:
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Explanation:
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