BIF HealthCheck licensed Freeware for DB2 10

Detect static and dynamic SQL and match to the relevant collection, packages,…

BIF HealthCheck overvew (Built-in Function Checker for DB2 z/OS)

BIF HealthCheck reports the following BIF incompatibilities in DB2 10

  • Execution of the DB2 9 for z/OS version of SYSIBM.CHAR(DECIMAL-EXPR)
  • Execution of the DB2 9 for z/OS version of SYSIBM.VARCHAR(DECIMAL-EXPR), CAST (DECIMAL AS VARCHAR), OR CAST (DECIMAL AS CHAR)

  • Use of an unsupported character string representation of a TIMESTAMP
  • Use of a USER-DEFINED FUNCTION (UDF) that has the unqualified name ARRAY_EXISTS
  • Use of a USER-DEFINED FUNCTION (UDF) that has the unqualified name CUBE
  • Use of a USER-DEFINED FUNCTION (UDF) that has the unqualified name ROLLUP

  • Execution of a non-Java client that called a Stored Procedure (SP) that is on the DB2 for z/OS Data Server, while subsystem parameter DDF_COMPATIBILITY was set to SP_PARMS_NJV (the Data Server returned output argument values whose data types matched the data types of the call statement arguments).

  • Execution of a SQL statement by a client non-Java application that included an unsupported conversion from a string type to a numeric type, while the DB2 z/OS Data Server environment was one of the following (the Data Server issues SQLCODE -301)
    • In version 10 Conversion Mode (CM)
    • In version 10 New-Function Mode (NFM) and implicit casting was disabled because subsystem parameter DDF_COMPATIBILITY was set to SP_PARMS_NJV, or DISABLE_IMPCAST_NJ

 

BIF incompatibilities in DB2 11

 

More about BIF

BIF-Usage

Presentation

BIF Compatibility DB2 10 compatibility mode
Changes to the STRING formating of decimal data within the CHAR and VARCHAR built-in function and to the CAST specification with CHAR and VARCHAR result types as well as  UNSUPPORTED TIMESTAMP STRINGs.
White Paper Finding BIFs And How to Lead a Problem-Free Life With Them in the Future
Navigating the Challenges of moving to a new DB2 Release
Newsletter 2015-01 – BIFCIDS – Where’s the BIF? How will you deal with loop-hole usage in production code?
Video BIF Usage (11min.) Trap  and correct the BIFs that will cause belly-ache one day soon
“Give and Take”
Program” page
 Give and Take
Program
We have “GIVEn” various free-of-charge Use Cases from SQL Workload Expert for DB2 z/OS like
1  Index Maintenance Costs
2  EXPLAIN Suppression
3  BIF Usage 
BIF HealthCheck – This last one is still available
We TAKE the anonymized results for research
and will communicate with the local User Groups for discussions
 User StatementsBIF Usage:

“Give and Take
Program 3”

 Customer Comments Read the Customer Comments across the Industry

  • Health Care
  • Insurance
  • Banking
  • Car Manufacturing

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