Overview of application programming for DBCTL

Programming information on DL/I requests is in the IMS Application Programming: EXEC DLI Commands manual and the IMS Application Programming: DL/I Calls manual manuals.

Application programming considerations in a DBCTL environment include:

In most cases, your existing application programs should not need any changes to access databases controlled by DBCTL. See Migrating a DL/I program to a DBCTL program. However, consider the following:

Start of changeCICS provides the following sample programs in the SDFHSAMP library to show you how to use the CALL DL/I and EXEC DLI interfaces:

Table 3. Sample programs for DL/I
Language CALL DL/I EXEC DLI PSBs used
Assembler DFH$DLAC DFH$DLAE DFHSAM04, DFHSAM05
COBOL DFH0DLCC DFH0DLCE DFHSAM24, DFHSAM25
PL/I DFH$DLPC DFH$DLPE DFHSAM14, DFHSAM15
End of change

Related concepts
Application programming for DBCTL
Programming languages and environments for DL/I
Additional facilities available with DBCTL
Migrating programs to DBCTL
Summary of DBCTL abends and return codes
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