MAKE IT WORK.
WRITE IT DOWN.
From SAP operations and building small apps to time spent looking at art. Notes to return to, in Korean and English.
Explore the librarySAP Transport Requests and Tasks: Why Is a Released Change Missing from Production?
Task release, request release and export, and target-system import are separate SAP CTS stages. A hypothetical Workbench example shows what to check before reporting that a change has reached production.
Notes worth keeping07
Why do Sorolla's paintings dazzle? Reading light on a beach and in two gardens
Read light through pale fabric, a bright garden wall, and a shaded path. Three Sorolla paintings turn a general impression into specific observations.
When an app's date slips by a day: separate storage time from display time
Separate a calendar date from an instant to trace an off-by-one-day bug. Follow UTC storage, Seoul display, and the trap of slicing a timestamp.
SQLite backups: once the file exists, try restoring it
A backup file is only the beginning. Restore it into a separate SQLite database and check structure, relationships, and expected content.
SAP Transport Requests and Tasks: Why Is a Released Change Missing from Production?
Task release, request release and export, and target-system import are separate SAP CTS stages. A hypothetical Workbench example shows what to check before reporting that a change has reached production.
ABAP Internal Tables: Choosing STANDARD, SORTED, or HASHED
Choose an internal table from its duplicate-key rules, maintained order, row-number access, and lookup requirements, then follow a fictional three-row insertion example.
SAP FI Document Date, Posting Date, and Entry Date: Which One Should You Check?
Compare the three FI dates through a fictional timeline, understand why one document can appear in August postings and September entries, and write reproducible operations queries.
Seven Records to Keep in an SAP Operations Handover
A practical handover structure linking business impact, selection conditions, logs, completion criteria, and next actions, illustrated with a fictional aggregation job.