Translation guide
ISAM (Indexed Sequential Access Method) is a technical computing term for a file access method. In Japanese, it is almost always referred to by the acronym ISAM, pronounced as a loanword.
Referring to the file access method in computing
The acronym ISAM is used directly in Japanese technical contexts, pronounced アイサム.
ISAMファイルを開く
Open an ISAM file
This is the full Japanese translation of Indexed Sequential Access Method, but it is rarely used compared to the acronym.
索引順次アクセス方式は古いデータベースで使われている。
Indexed Sequential Access Method is used in older databases.
In Japanese technical documentation and conversation, the acronym ISAM is standard. The full Japanese translation is understood but sounds overly formal or dated.