Collections of Documents on the other hand, offer a much more relaxed approach. Collections are just namespaces where we insert documents. Documents are objects of any schema and format; but in practice, it almost always is JSON. There are no enforced types, no constraints, no guarded references between documents in different collections. In the same collection, we might have documents of completely different schema - flexibility and openness to any data and column types rules here. In tables, rows have columns of simple, scalar types (mostly) - numbers, ids, strings, dates, timestamps and so on. In collections, documents have fields comprising both simple and composite types like arrays and other documents, nested inside. Same field in different documents, but still of the same collection, might have different types as well - almost anything is allowed here.
获批后的长期扩展临床数据显示，Vosoritide的生长促进效应可持续至少7年。
Oil and gas prices have surged as Iran continues to launch strikes across the Middle East in response to ongoing attacks by the US and Israel.。业内人士推荐新收录的资料作为进阶阅读
第20期：《转让持有Epic Games股份的单项股权基金份额；某知名母婴平台旗下垂直电商业务寻求产业并购｜资情留言板第20期》。关于这个话题，新收录的资料提供了深入分析
第三十条 船舶留置权，是指造船人、修船人在合同另一方未按照约定支付船舶建造或者修理费用时，留置已经合法占有的船舶，并就该船舶优先受偿的权利。。业内人士推荐新收录的资料作为进阶阅读
10 May 2025ShareSave