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🥇 @malathi-shetty 11 solved
🥈 @arun-kumar 1 solved

Spark: rdd

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Elasticsearch: document

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Cassandra: no single master

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DataViz: bar chart

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DynamoDB: key value

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Hadoop: big data

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Neo4j: node neo4j

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Airflow: acyclic

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Spark: dataframe spark

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Elasticsearch: json doc

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Cassandra: high availability

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DataViz: line chart

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DynamoDB: table dynamo

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Hadoop: hdfs

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Neo4j: relationship

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Spark: dataset

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DBMS: primary key

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Elasticsearch: index

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Cassandra: cap cassandra

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DataViz: pie chart

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DynamoDB: item

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Hadoop: mapreduce

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MySQL: create table

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Neo4j: directed

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MongoDB: ObjectId

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PostgreSQL: serial

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Airflow: operator

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Spark: driver

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DBMS: foreign key

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Elasticsearch: index vs table

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Cassandra: linear scale

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DataViz: scatter plot

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DynamoDB: attribute

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Hadoop: yarn

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MySQL: primary key mysql

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Neo4j: property

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Kafka: partition

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Airflow: bashoperator

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Spark: executor

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DBMS: unique key

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Elasticsearch: shard

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Cassandra: node cassandra

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DataViz: histogram

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DynamoDB: partition key dynamo

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Hadoop: block

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MySQL: auto increment

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Neo4j: label neo4j

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Kafka: offset

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Airflow: pythonoperator

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Spark: cluster manager

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DBMS: composite key

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Elasticsearch: primary shard

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Cassandra: cluster cassandra

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DataViz: boxplot

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DynamoDB: hash key

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Hadoop: block size

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MySQL: foreign key mysql

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Neo4j: cypher

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DataEng: Lakehouse

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Redis: TTL check

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