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GBase 8s V8. 8 SQL Guide: tutorial-6.2

2022-04-22 22:42:00 【Gbase database】

6.2 Create an advanced connection
The create connection section shows how to create a connection in SELECT The statement includes WHERE Clause to join on one or more columns
Two or more tables . It illustrates natural connection and equivalent connection .
This chapter discusses how to use two more complex connections ： Self connection and external connection . As described for simple connections , Sure
Define aliases for tables and assign display labels to expressions to reduce multi table query time . You can also take ORDER BY Son
Sentence issue SELECT sentence , This will sort the data into temporary tables .

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