You choose the shard key when sharding a collection. You will learn how to install it and how to operate it via its shell. Jdbc driver for mongodb allows querying mongodb using sql and jdbc. Shard keys mongodb uses the shard key to distribute the collections documents across shards. Progress datadirect s jdbc driver for mongodb offers a highperforming, secure and reliable connectivity solution for jdbc applications to access mongodb data. The driver is using the native mongodb java driver to connect and execute queries. The driver returns by default a resultset with a single object.
The following is an example of the java sample code. Our jdbc driver can be easily used with all versions of sql and across both 32bit and 64bit platforms. Once the connection is established to a shard, then any database operations, such as dmls, sql queries and so on, are supported and executed in the usual way. The jdbc driver recognizes the specified sharding key and super sharding key and connects to the relevant shard that contains the data. The choice of shard key cannot be changed after sharding.
We need to start by defining the dependency of a java driver for mongodb. For sharded or cluster setup, the url should contain the server names and. The shard key consists of a field or fields that exist in every document in the target collection. For more information, see mongodb driver connection. If the shard key is state, then the problem is with the construction of the document. The mongodb jdbc driver can be used in the collibra catalog in the section collibra provided drivers to register mongodb sources. See installation for instructions on how to install the mongodb driver. Shardingsphere is an opensource ecosystem consisted of a set of distributed.
Leveraging this driver, collibra catalog will be able to register database information and extract the structure of the source into its schemas, tables and columns. The driver translates the sql statements provided by an application, enabling you to leverage your knowledge of sql. Welcome to the progress datadirect for jdbc for mongodb driver. Add a description, image, and links to the sharding jdbc topic page so that developers can more easily learn about it. The progress datadirect for jdbc for mongodb driver supports sql to select data from mongodb 2. Mongodb unable to insert documents using java driver in sharded. Mongodb reactive streams driver providing asynchronous stream processing with nonblocking back pressure for mongodb. Use a connection string uri to connect to a sharded cluster instance. You can do any mongodb queries or mapreduce operations with this driver. Additionally, the driver creates a relational schema of your native mongodb data to support sql access to mongodbs flexible schema data. Mongodb jdbc driver for quick and powerful data access.
Learn how to use mongodb with a simple, standalone java client. Jdbc driver capable to execute native mongodb queries, similar with mongo shell. Mongodb driver an updated java driver that includes the legacy api as well as a new generic mongocollection interface that complies with a new crossdriver crud specification. Some insert, update, and delete capabilities are also supported. Install and configure the mongodb jdbc driver on windows. The driver is written by dbschema mongodb gui tool for everybody how needs an mongodb jdbc driver. The third part of this tutorial will provide stepbystep instructions on how to download mongodb jdbc driver and configure it. Mongodb supports sharding out of the box using sharded clusters. Connecting to a mongodb database with a jdbc connector.
1354 1227 673 212 200 738 225 573 788 818 840 1014 148 1595 143 1578 489 1241 310 1288 923 1167 449 562 700 323 1376 1029 942 232 833 123 556 747 1529 343 5 1244 199 541 657 1369 839 176 1131 586 1157 1117 638 407