In SAS PROC SQL, you can dynamically create new variables and assign them names using the AS keyword. Once a variable has been created, the CALCULATED keyword in PROC SQL can be…
Author: DBZtech
How to Use PROC SQL in SAS on a Mainframe (z/OS)
What Is PROC SQL in SAS? When working with SAS on the mainframe, one of the most powerful tools available is PROC SQL. Understanding how to use PROC SQL on Mainframe systems…
PROC SORT in SAS on Mainframe (z/OS)
Running SAS on a mainframe environment like z/OS allows you to process massive enterprise datasets with high performance. Among the most commonly used SAS procedures are PROC SORT, which help you sort,…
SAS in Mainframe: Understanding DATA Step and PROC Step in z/OS
SAS in Mainframe environments provides a powerful way to process, analyze, and report on large volumes of enterprise data. While many professionals associate SAS with Windows or UNIX platforms, SAS is fully…
CHAR and VARCHAR in COBOL
CHAR vs VARCHAR in IBM DB2: Understanding the Differences Choosing between CHAR and VARCHAR in IBM DB2 can significantly impact storage efficiency, table size, and overall database performance. While both data types…
DB2 Query to check Privilege(C/R/U/D) held by cobol programs on DB2 table
The solution is to use SYSTABAUTH table. Assume the table name is ‘DB1T04’ and we want to find out what all programs performs C(CREATE) R(READ) U(UPDATE) or D(DELETE) operation. A simple query…
How COBOL Programs Connect To CICS, IMS, & DB2
COBOL program connection refers to how COBOL applications running on IBM z/OS mainframes connect with subsystems such as CICS, IMS, and DB2. This connection allows programs to process transactions, access databases, and…
Find Dataset Contention in z/OS Using the ISRDDN ENQ Command
Find Dataset Contention in z/OS quickly by using the built-in ISRDDN ENQ command available in ISPF. Dataset contention in z/OS is a common issue that can prevent jobs, users, or applications from…
IBM COBOL COMP vs COMP-5: Key Differences, Storage Allocation, and Examples
Understanding the difference between COMP and COMP-5 in IBM COBOL is essential when working with binary numeric fields. Both data types store numbers in binary format, but they differ significantly in how…
DB2 Constraints
DB2 Constraints Constraints help to maintain data integrity without any procedural logic(like triggers, Stored procs). Writing a constraint is quite easy and has two parts to it, namely,the constraint Name & the…
COMP * Command in JCL
COMP * Command: Compare JCL Changes Easily When working with JCL (Job Control Language), reviewing updates between different versions can be a time-consuming task. Fortunately, ISPF provides a simple comparison feature that…
Public Cloud
Public Cloud is an IT model where services and infrastructure are managed by a third-party provider and shared with multiple organizations using the public Internet. That means it offloads much of the…
Private Cloud
When Organizations uses private dedicated environments, i.e. organization is running an environment where the sole tenant is the company itself. The company is ultimately responsible for maintaining the hardware, software, and networking…
How COMP-3 Saves Space-In COBOL
Having a clear understanding of Zoned Decimal format is essential before diving into Packed Decimal (COMP-3) format in COBOL. By default, COBOL stores numeric data in Zoned Decimal (DISPLAY) format, where every…
What is Zoned Decimal In COBOL
When working with COBOL on IBM mainframes, understanding how numeric data is stored internally is essential. One of the most common numeric formats is Zoned Decimal in COBOL, which is used to…