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				           		One particularly challenging case is with databases.
						        										 	
						        					            	 一个特别的挑战例子就是使用数据库。
								    				            	 youdao 
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				           		In this case, dividing the data into two different databases is useful.
						        										 	
						        					            	 这时将数据划分到两个不同的数据库中会很有帮助。
								    				            	 youdao 
- 
				           		In this case, dividing the data into two different databases is useful.
						        										 	
						        					            	 这时将数据划分到两个不同的数据库中会很有帮助。
								    				            	 youdao