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  • DB2: What is an Ambiguous Cursor

    DB2 ambiguous cursor in SQL and examples and resolution.

  • How Google BigTable Deals Data Problems

    Google big table designed to solve data problems. Read more about it quickly.

  • How to Fix Empty TDQ Dataset Error in CICS

    Error message: Records do not appear to be written to an extrapartition transient data queue (TDQ). Message EMPTY DATA SET OR MEMBER is returned, when you close the TDQ to CICS and browse the associated dataset using TSO option 3.4. Your CICS log contains message IEF237I JES2 ALLOCATED TO tdqueue-name. CICS trace and CEDF show the writes to the TDQ are successful. Cause The TDQ is allocated to JES2 at…

  • Db2- SQL Error -805 Resolution

    The resolution for SQL error code -805 is explained well. This resolution you can use it in your DB2 projects readily.

  • How Hadoop Process Data Uniquely

    In a Hadoop cluster, data is distributed to all the nodes of the cluster as it is being loaded in. So a cluster in Hadoop is made up of simple computation processors of more than one. Read more.

  • DB2 top differences Bind Package Vs Bind Plan

    Bind package vs Bind plan all you need to know while working with DB2 programs

  • RADz for Mainframe a Development Tool (Part-1)

    Rational Developer for System z features the all at one place for your quick reference.

  • Big data and Analytics

    What is Big data ana analytics, this is a complex questions for many college graduates and working software engineers. Read more about what is big data and why we need data analytics.

  • 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.

  • 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 asterisk in column 1 and…

  • 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 9(10) VALUE ZEROES.          OPEN…

  • 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, Rich Morrow explores new use…