Oracle database : Can't create table from package - ORA-01031: insufficient privileges
A database user having DBA role not able to create a table from package, it is hard to believe first but this is how it works. If a proced...Read More
Producer consumer problem - Using java 5 Lock interface and Condition variable
Java provides two ways of locking mechanism to deal with multiple threads accessing shard resources in concurrent environment.Implicit locki...Read More
Mapreduce: Analyse customer feedback stored in text file about mobile phone and separate out positive & negative feedback in separate files
Mapreduce, a data processing framework(engine), can be used to analyse various kinds of data (logs, feedbacks, sales details, etc) sources. ...Read More
Haoop mapreduce sample example and code lines- Mapreduce use case discussion
1. Hadoop Mapreduce word count example - execute Wordcount jar on single node cluster 2. Mapreduce program in eclipse - Generate hadoo...Read More
Apache spark Setup in windows 7 - standalone mode
Apache Spark is a general-purpose cluster computing system to process big data workloads. It is very possible to use spark with Hadoop HDFS,...Read More
Join operation in MapReduce - Join two files(one in HDFS and other one is cached)
Join is very commonly used operation in relational add non-relational databases.It gives flexibility to use different result set and obtain ...Read More
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