oracle帮助文档——SQL*Plus User's Guide and Reference /15 SQL*Plus Command Reference /15 SQL*Plus Command Reference
/15 SQL*Plus Command ReferenceSTARTUP:(1)[FORCE] [RESTRICT] [PFILE=filename] [QUIET-禁止显示SGA信息] [ MOUNT [dbname] | [ OPEN [open_options] [dbname] ] | NOMOUNT ](2)READ {ONLY | WR