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DB2 Tutorial For Software Developers (4 of 5)
DB2 tutorial given in the form of questions and answers. So that any mainframe or DB2 developer can read and implement quickly. Useful to your projects too. Read my previous post(3 of 5). Functions: Types are two : column function scalar function Column functions: compute from a group of rows aggregate value… Read More ⇢
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XCTL, LINK, RETURN in CICS: Here are Top Differences
Here are the ways, in CICS, the programs are called to respond to proper messages to the screen. Read More ⇢
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Mainframe: Batch JCL Conditon Code Confusing Question
Step return code (condition code) and System completion codes are confusing questions in batch jcl. I have given here differences between those. Read More ⇢
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Mainframe: MQSeries for Senior Software Developers(1 of 3)
Read basics on cluster and shared queues being used in MQSeries Read More ⇢
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COBOL DB2 Program 10 Best Points You Need
In Mainframe, it is possible to run a SQL query without writing a COBOL program. You can do it by using, SPUFI, QMF and IBM Studio. SQL query must begin with EXEC SQL and end with END-EXEC. Second, your SQL query uses COBOL host variables. Host variables in COBOL: Host… Read More ⇢
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CICS: CEMT, CECI, CEBR Commands Part(2 of 3)
Here is when to use CEMT, CECI and CEBR commands in CICS. CEMT, CECI and CEBR Commands CEMT lets you display and change the status of resources, including programs, transactions, data sets, queues, and terminals. You’ll use CEMT in a CICS test environment often to refresh a copy of a… Read More ⇢
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Recently asked IMS DC Top Interviews Questions(2 of 2)
IMS DC my second set of interview questions. 1) Which block MFS uses for input message? DIF- Device input format 2) What is second block it uses? MID- Message input descriptor 3) Which block application program uses for output messages? MOD-Message output descriptor 4) What is next block it uses?… Read More ⇢
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COBOL strings popular ideas to learn now (2 of 2)
What is String concatenation in COBOL. Read my previous post on COBOL Strings-INSPECT VERB. String concatenation involves joining the contents of two or more source strings or partial source strings to create a single destination string. In COBOL, string concatenation is done using the STRING verb. Before I discuss the… Read More ⇢
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COBOL: How to Use PERFORM Varying Correctly
Perform varying typical examples explained with logic. These examples are useful for you to refer to and use in your projects. Read More ⇢
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