Cassandra Tutorial For Beginners, Cassandra is a NoSql Database Tools to perform large amount of data performance
10 .To create new directory hadoop fs -mkdir /Jason –put the file into Jason hadoop fs -put C:/New30.txt /Jason (new file name) –lets see file added into hdfs Jason Directory. hadoop fs -ls /Jason/* 11. we can use cat command to see the data hadoop dfs -cat /Jason/* 13. AppendFile hadoop fs -help appendToFile hadoop […]
Creating Table First CREATE TABLE spoint.emp( ID int , Name text Primary Key, City text ); 2. Insert the Records inside the Table. insert into emp (id,city,name) values (113,’cardiff’,’jason’); insert into emp (id,city,name) values (114,’perth’,’mike’); insert into emp (id,city,name) values (115,’miami’,’ronny’); insert into emp (id,city,name) values (116,’california’,’sunny’); using “select id, city, name from emp” to […]