Showing posts with the label Mainframe

HBASE Vs. RDBMS Top Differences You can Unlock Now

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'

Mainframe study materials for interviews

Mainframe self-study materials provided to refresh quickly before your next interview.   Top Links for Mainframe Self Study Materials - You Can Download Free of Cost VSAM 1.0 REXX 1.0 MVSQuest Second Edition MVSQuest Second Edition – Tools MQSeries 1.0 MAINFRAME Q&A Mainframe reference questions JCL 1.0 ISPF V 1.0 DB2 1.0 IMS 1.0 IDMS 1.0 COBOL 1.0 CICS V1.0 Abend codes in MF ALL interview questions References Mainframe-srini blogs

Switching Career Top Skills for Mainframe Programmers

Read my part-1 post. Secondly, the programmers who are working on the mainframe have very good business knowledge.  People who have the following skills are a valuable asset to any organization. Mainframe programmers if they learn other skills and try for new jobs they can earn more money. Programmer Roles. A programmer who can do analysis, create database structures, write clean code, create testing structures, and clearly communicate all that has been done is a very valuable asset. Background of Mainframe. The mainframe was leading in the market since 1950. All the big companies in the world are running their business in mainframes.  Yes, many American universities now teaching mainframe technology in their education curriculum, since in the future possibility is there for mainframe skill shortage. Skills You Need to Switch Career. It may become more important for IT professionals to gain experience working with analytics technology , as research firm Gartner predicted a surge in d