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How to Convert SQL Error into Text
In this post, I explained SQL logic to convert SQL error into a text message using DSNTIAR.
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JCL Quiz to refresh the knowledge quickly
The JCL quiz really good to take it multiple times so that you will remember the concepts perfectly. Highly useful for mainframe developer.
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5 More JCL Interview Questions
The advanced JCL interview complex questions given on GDG, Tape data set and mainframe error codes. A quick refresher and surely boosts your knowledge.
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Credit Cards Domain: 6 Top Payment Solutions
6 Top payment solutions. Payment terminal POS Mobile pay Virtual payments Gateways Integration 1.Payment Terminal A piece of hardware that allows a merchant to swipe or key-in credit card information as well as any other information required to process a credit card transaction. 2.Point-of-Sale (POS) System A piece of hardware similar to a payment terminal…
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Credit Card Domain -Key Exchange Technics
Suppose you are a customer using a credit card to order an item from a website. An obvious threat is that an adversary would eavesdrop on your network communication, reading your messages to obtain your credit card information. It is possible and practical, however, to encrypt messages so as to prevent an adversary from understanding the message…
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7 Tricky Micro Focus COBOL Questions
In this post, I have given tricky questions useful for micro focus COBOL interview questions.
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How Program Control Happens in COBOL Run-unit
A run unit is a particular number of executable programs that act as a logical unit at run time.A run unit may consist of– one or more separately compiled programs,– one or more nested programs,– a combination of separately compiled programs and nested programs.The program started on the system level is referred to as “main…
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Pipeline Scan CICS Web Services
Use the PERFORM PIPELINE command to initiate a scan of the web service binding directory that is specified in the WSDIR attribute of the PIPELINE definition. If the WSDIR attribute is not specified, there is nothing to scan, and control returns to your program. Generally PERFORM PIPELINE(name of pipeline) SCAN, scans for latest web service bind directory…
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What is Data Stack in TSO Rexx
REXX in TSO/E uses an expandable data structure called a data stack to store information. The data stack combines characteristics of a conventional stack and queue. Stacks and queues are similar types of data structures used to temporarily hold data items (elements) until needed. When elements are needed, they are removed from the top of…
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DB2 Buffer pools and Its Best Practices
Here are eight primary things on bufferpools. These are useful for practice.
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COBOL: SEARCH Vs PERFORM Which is Better
You can search an array using SEARCH or PERFORM in COBOL. The logic of which one to choose depends on two conditions. Those are index and subscripts. Read more.
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Top 5 Legacy Skills in Demand
Here the legacy skills still in demand. 5 Top Legacy Skills COBOL- One of the powerful language still being used in many financial projects MAINFRAME- Powerful systems, still being used, also suitable for handling big data C- Most popular language. Current days languages Python and PHP adopted many features from C. Fortran- Still being used…
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