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.
People post happy moments and don't show the other sides to them
some believe their value comes from likes
Explanation:
The standard punch card (for computers) was invented and developed by Herman Hollerith. But the idea of punch cards was already long invented, used to control Jacquard looms.
Jacquard looms were looms that used punch cards to control the pattern a loom weaves.
The idea of punch cards in Jacquard looms also influenced Charles Babbage, who decided to use punched cards to control the sequence of computations in his proposed analytical engine. Unlike Hollerith's cards of 50 years later, which were handled in decks like playing cards, Babbage's punched cards were to be strung together.
