No SQL Multiple choice Question - MCQ Village

No SQL Multiple choice Question

Hello friends in this post we are going to discuss about NO SQL Multiple choice question with answer.

1. distributes different data across multiple servers- SHarding
2.Full-form of ‘CRUD’ is .-create read update delete
3.Horizontal scaling approach tends to be cheaper as the number of operations and the size of the data increases.- true
4.NoSQL databases are designed to expand . Horizontal
5.Limitations of RDBMS are ____.Scalability
6.The RDBMS ‘table’ equivalent terminology in Riak is .Bucket
7.A Key-value store does not support Secondary Indexes. –false
8.Key-value pair data storages include all except .Network
9.Cassandra has properties of both _ and ___ .Google/ama
10.A Riak convergent replicated data type (CRDT) includes .maps/sets/Counters
11.Hbase main server components include all except _.Memstore

  1. The column store has to perform _ IO to insert a new value. –as many disk
  2. 13.The row store needs to perform IO to insert a new value. – Single
  3. HBase Tables are divided by row key range into .Hori& Region
  4. Columnar databases are preferable for OLTP systems. –false
  5. In a columnar database, the columns are stored together on disk, achieving a higher compression ratio is an expensive operation.-False
  6. A column-database used to store _ versions of each cells.- Multiple
  7. In Hbase, ‘Columns’ are named and specified in table definition. –False
  8. Cassandra allows to define composite Primary Keys. – True
  9. Pre-join projection is equivalent to as in traditional relational systems. – Materi
  10. In a column-database a row is being uniquely identified by _.Row key
  11. In column-oriented stores, data is stored on a _ basis. – Rowkey
  12. In Cassandra, the determines how many copies of the data will be maintained across multiple nodes.- Replication
  13. An RDBMS equivalent component for a “document identifier” in a Document database: -Foreign –
  14. MongoDB read/write performance can be tuned with the help of Stored Procedures. –False
  15. An RDBMS equivalent component for a “collection” in a Document database: -– table –
  16. JSON documents are built up of _.All the options
  17. Document databases split a document into its constituent name/value pairs for indexing purpose.:- False
  18. The MATCH clause is roughly equivalent to the _______ clause in SQL and the RETURN clause to a ______ clause. – where,select
  19. An RDBMS equivalent component for a “document” in a Document database:  row
  20. ______ is a syntax for retrieving specific elements from an XML document. – Xquery
  21. In MongoDB, there is a similar feature of ‘like’ expression as like RDBMS. – False
  22. Neo4j architecture is a self-driven and independent architecture because of ________________.Both options
  23. Only Nodes have properties in Graph database. =False
  24. Graph databases are generally built for use with ________.OLTP
  25. The major components of a Graph include all except _______.JSON
  26. Cypher query language is associated with __________.Neo4J
  27. The equivalent Hbase structure of an in-memory tree in Log-structured Merge Trees is __________.WAL (not sure )
  28. Hbase Data blocks metadata information are being maintained by –Namenode
  29. Transactional integrity is relevant in case of batch-centric Hadoop-based analytics on warehoused data. – False (Not Sure )
  30. The process through which the on-disk tree files periodically merged to create larger consolidated stores is called __________. –Replication(Not sure )
  31. In Cassandra, if the replication factor is 3, the coordinator will send replicas of the data item to the next _____ nodes on the ring.- 4(Not sure )
  32. Cassandra’s Gossip Protocol can take care of the heartbeat lost due to _______ in a widely distributed system.-Both Node and network (Not sue )
  33. Kudu can be accessed via all except _________.Apache Hive (not sire )
  34. Hbase DDL Operations (create, delete tables) are maintained by ___________.Zoo keeper (Not sure )
  35. Some of the common Read Consistency level in Cassandra include all except __________.One/two/three(Not Sure )
  36. Hbase Region assignment operation is being handled by _________.Hbase master
  37. Sorted Column store would provide higher compression ratio by representing each column as ________ compared to the preceding one. – ratio is wrong (Not sure )
  38. Read overhead in a Columnar database can be partly reduced by Multicolumn projection and _____________.Caching (Not Sure )
  39. Like most relational databases, Kudu also offers secondary indexes and uniqueness constraints. – True (Not Sure )
  40. In case of an Eventual consistency, reads may not return the most recent value, but reads will not return values “out of sequence.” – False 
  41. Cassandra lightweight transactions (LWT) support –(compare and set)
  42. Riak demonstrates dual nature of _____________.-Key/value stre DB
  43. _________ are replicated to allow failover in MongoDB. shards
  44. In case of a Strict consistency, a read will always return the most recent data value. =False (Not Sure )
  45. Wiredtiger storage engine is a part of ___________.Mongo DB 
  46. In Riak, ________ consistency model is implemented.- Eventual 

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