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Creditcards Domain: List of Free Learning Tutorials
Free credit cards domain knowledge online free tutorials. Read More ⇢
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DB2: The Real use of SYSDUMMY1 Table
SYSDUMMY1 table in DB2 explained the real use. Read More ⇢
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IMS DB: DEDB Vs DL/I database Top Differences
DEDB – Often it is called data entry database. These kind of of databases will be used in Banking industry. And credit and Debit card processing projects. The implementation of DEDB is different from DL/I. Read More ⇢
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Differences: DB2 SELECT Vs. Sub-SELECT Vs. Full SELECT
SELECT -The select-statement is the form of a query that can be directly specified in a DECLARE CURSOR statement or FOR statement, prepared and then referenced in a DECLARE CURSOR statement, or directly specified in an SQLJ assignment clause. It can also be issued using SPUFI or the command line… Read More ⇢
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MQSeries Tutorial for Mainframe Programmers (5 of 5)
On the dynamic queues play crucial role in MQSeries. Read more about dynamic queues. Read More ⇢
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Why ‘SORTWORKdd’ is not Mandatory in DFSORT JCL?
Here I have shown how DFSORT speeds up its sort processing even when you are not supplied the “sortworkdd”. Why SORTWORKdd is not mandatory? Defines a work data set for a sort. Typically, it is not needed because DFSORT can allocate work data sets for a sort dynamically. Why STEPLIB… Read More ⇢
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How to ‘Sort’ Input dataset in JCL
Sort card you can write in JCL to select few fields from input dataset and after sorting you can write those records into output file. The JCL is good sort example. Read More ⇢
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10 Top COBOL Compilation Errors With Root Causes
Here is a list of COBOL compilation errors. Also, added root causes so that you can refer to these while fixing your programs. Read More ⇢
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Limitations of COBOL Intrinsic Functions
Rules you need to know on COBOL intrinsic functions. Read More ⇢
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