ignoreBlanks ignore fields with empty values in CSV and TSV --maintainInsertionOrder insert documents in the order of their appearance in the input source -j, --numInsertionWorkers= number of insert operations to run concurrently (defaults to 1) --stopOnError stop importing at first insert/...
总所周知,MongoDB是一个NoSQL非数据库系统,即一个数据库可以包含多个集合(Collection),每个集合对应于关系数据库中的表;而每个集合中可以存储一组由列标识的记录,列是可以自由定义的,非常灵活,由一组列标识的实体的集合对应于关系数据库表中的行。下面通过熟悉MongoDB的基本管理命令,来了解MongoDB提供的DBMS的基本...
–ignoreBlanks ignore fields with empty values in CSV and TSV –maintainInsertionOrder insert documents in the order of their appearance in the input source -j, --numInsertionWorkers= number of insert operations to run concurrently (defaults to 1) –stopOnError stop importing at first insert/ups...
If you ignore the alert item, data inconsistency may occur, and your business may be exposed to potential risks. Wait until the Success Rate becomes 100%. Then, click Next: Purchase Instance. On the buy page, configure th...
This page duplicates the content of the other source connector configuration properties pages. To view a list of all source connector configuration properties pages, see the Source Connector Configuration Properties page. MongoDB Connection Use the following configuration settings to specify how your ...
SERVER-61427 Unique index builds can cause a loss of availability during commit due to checking many false duplicates SERVER-61466 Port the RSM { electionId, setVersion } ordering to scanning RSM SERVER-61479 Increase the number of retries to connect to a replica set following a stepdown SERVER...
ignoreBlanks ignore fields with empty values in CSV and TSV --maintainInsertionOrder insert documents in the order of their appearance in the input source -j, --numInsertionWorkers= number of insert operations to run concurrently (defaults to 1) --stopOnError stop importing at first insert/...
ingest options: --drop drop collection before inserting documents --ignoreBlanks ignore fields with empty values in CSV and TSV --maintainInsertionOrder insert documents in the order of their appearance in the input source -j, --numInsertionWorkers= number of insert operations to run concurrently ...
db.mycoll.copyTo(newColl) - duplicates collection by copying all documents to newColl; no indexes are copied. db.mycoll.convertToCapped(maxBytes) - calls {convertToCapped:'mycoll', size:maxBytes}} command db.mycoll.dataSize() db.mycoll.distinct( key ) - e.g. db.mycoll.distinct( '...
SERVER-13802 Insert field validation no longer stops at first Timestamp() field. Replication SERVER-13993 Fixed: "log a message when shouldChangeSyncTarget() believes a node should change sync targets" SERVER-13976 Fixed: "Cloner needs to detect failure to create collection" Sharding SERVER-13...