ãªã¬ãŒã·ã§ãã«ããŒã¿ããŒã¹(RDB)
Relational Database.
O/R mapper(ORM)
Object-Relational Mappter, ORM.
ãªããžã§ã¯ãæåèšèªã«ãããŠãªããžã§ã¯ããšããŒã¿ããŒã¹ã®éã®é¢ä¿ãå®çŸ©ããã ãã§, ããŒã¿ããŒã¹ã¢ã¯ã»ã¹ãè¡ããä»çµã¿.
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