NoSQL databases overcome the drawbacks of strict table-based schemas, making them suitable for various data types, topologies, and scalability requirements. Developers designed them to handle the vast
If you have a field that appears at different levels in your documents, the Schema Versioning Pattern may affect your indexes. For example, if you store the same field as both a top-level field and as an embedded field in different documents, you may need multiple indexes to support queries...
After full data migration is complete, DTS migrates incremental data from the source MongoDB database to the destination MongoDB database. Note The create and delete operations that are performed on databases, collections, and indexes can be migrated. The creat...
Searches provide parameters to active indexes, and are often performed via REST requests or a specialized SDK. Types of queries that might be used include string, match, phrase, compound, range, and geospatial. Data Modeling Examples Multi-model databases are those which can support multiple types...
This approach of searching genomic coordinate indexes for intersecting data files combine with tabix data record retrieval is an excellent way to address the random range query problem. In our benchmarking tests, it significantly out performs both relational database (MySQL) and NoSQL (MongoDB) app...
Index support – fields/combination of fields/ special indexes. (obviously, only one can use for sharding). Automatically generated or provided by the developer. Must be unique Mongodb supports all CRUD + More options – aggregation capabilities, bulk. ...
After full data migration is complete, DTS migrates incremental data from the source MongoDB database to the destination MongoDB database. Note The create and delete operations that are performed on databases, collections, and indexes can be migrated. The creat...
In the lower part of the page, click Test Connectivity and Proceed. If the source or destination database is an Alibaba Cloud database instance, such as an ApsaraDB RDS for MySQL or ApsaraDB for MongoDB instance, DTS automatically adds the CIDR blocks of DTS servers to t...