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Showing posts with the label Unix Shell scripting

HBASE Vs. RDBMS Top Differences You can Unlock Now

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HBASE in the Big data context has a lot of benefits over RDBMS. The listed differences below make you understandable why HBASE is popular in Hadoop (or Bigdata) platform. Let us check one by one quickly. HBASE Vs. RDBMS Differences Random Accessing HBase handles a large amount of data that is store in a distributed manner in the column-oriented format while RDBMS is systematic storage of a database that cannot support a random manner for accessing the database. Database Rules RDBMS strictly follow Codd's 12 rules with fixed schemas and row-oriented manner of database and also follow ACID properties. HBase follows BASE properties and implement complex queries. Secondary indexes, complex inner and outer joins, count, sum, sort, group, and data of page and table can easily be accessible by RDBMS. Storage From small to medium storage application there is the use of RDBMS that provide the solution with MySQL and PostgreSQL whose size increase with concurrency and performance.  Codd'

UNIX Shell script to know input is integer or not

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(Apply hot Unix jobs) Unix Shell script to know input is integer or not. $vi prg1 clear echo "enter a number" read x y='expr $x % 2' if test $y -eq 0 then echo "Number is even" else echo "Number is odd" fi Running Script $sh prg1 enter a number 11 Number is odd $sh prg1 enter a number 12 Number is even