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Hadoop and Big data the popular story

Hadoop was originally built by a Yahoo! engineer named Doug Cutting and is now an open source project managedby the Apache Software Foundation. Read more. Read More ⇢

CICS- PF Keys Map Design (1 of 4)

Below is the list of keys we use in designing the CICS Maps. List of Keys for CICS Maps Design How to Use Comments in CICS Map Comment Line in Map: You can use comment lines to improve the readability of your mapsets. A comment line is any line with an… Read More ⇢

COBOL -JAVA File Definition

Mainframe programmers can learn Java: In Mainframe: SELECT CUSTOMER -FILE ASSIGN TO CUSTOMER ORGANIZATION IS RELATIVE ACCESS MODE IS RANDOM RELATIVE KEY IS WW-CUSTOMER-NUMBER. FD CUSTOMER -FILE. 01 CUSTOMER -RECORD. 05 CUSTOMER-NAME PIC X(25). 05 CUSTOMER-ADDRESS PIC X(30) OCCURS 5 TIMES. 01 WW-CUSTOMER- NUMBER PIC… Read More ⇢

Apache Hadoop – Mainframe

While Apache Hadoop originated as a batch process, big data analysis framework, today’s uses of the technology have evolved and grown dramatically. From low-cost data storage, to OLAP, NoSQL datastores and now real-time queries, the flexibility and power of Apache Hadoop is evident in the innovation we’ve seen in its open-source ecosystem. Global Knowledge trainer,… Read More ⇢

DB2- Creating Table Spaces

There are 3 types of Db2 table spaces. Universal Partition-By-Growth (PBG) table spaces. Universal Partition-By-Range (PBR) table spaces Segmented Tables spaces There are LOB and XML table spaces. PBG- Is the default table space. LOB table spaces will be used for BLOB,CLOB and DBCLOB. General Rule: Let us assume we want to create a… Read More ⇢