Character Set 'Characters' are lowest in the hierarchy and they cannot be divided further. The COBOL Character Set includes 78 characters which are shown below − Sr.No.Character & Description1A-ZAlphabets(Upper Case)2a-zAlphabets…
A COBOL program structure consists of divisions as shown in the following image − A brief introduction of these divisions is given below − Sections are the logical subdivision of program…
We have set up the COBOL Programming environment online, so that you can compile and execute all the available examples online. It gives you confidence in what you are reading…
COBOL stands for Common Business Oriented Language.The US Department of Defense, in a conference, formed CODASYL (Conference on Data Systems Language) to develop a language for business data processing needs…
While working with VSAM datasets you may encounter abends. Following are the common file status codes with their description which will help you to resolve the issues − CodeDescription00Operation completed…
Catalog maintains the unit and volume where dataset resides. Catalog is used for retrieval of datasets. Non-VSAM datasets create a catalog entry by means of Disposition Parameter in JCL. VSAM…
Alternate index are the additional index that are created for KSDS/ESDS datasets in addition to their primary index. An alternate index provides access to records by using more than one…
VSAM commands are used to perform certain operations on VSAM datasets. Following are the most useful VSAM commands − AlterReproListcatExamineVerify Alter ALTER command is used to modify VSAM file attributes.…
LDS is known as Linear Data Set. Linear dataset is the only form of byte-stream dataset which is used in used in traditional operating system files. Linear datasets are rarely…
RRDS is known as Relative Record Data Set. RRDS cluster is similar to an ESDS cluster. The only difference is that RRDS records are accessed by Relative Record Number (RRN), we…