在日常运行过程中,为防止出现数据库故障、病毒或者用户操作不当而导致数据丢失,必须要有良好的预备方案,特分享主流数据库的Shell脚本给大家。 allocate channel c2 type disk; allocate channel c3 type disk; allocate channel c4 type disk; backup as compressed backupset ...
Oracle bone script, which emerged in the late Shang Dynasty (1600-1046 B.C.), is the earliest mature writing system in China. The source of Chinese characters and the foundation of China's excellent ...
用来设置一个connection在连接池中的存活时间,默认是1800000,即30分钟。如果设置为0,表示存活时间无限大。如果不等于0且小于30秒则会被重置回30分钟。
IMP-00015: 由于对象已存在, 下列语句失败: "CREATE TABLE "ACCOUNT" ("ACCOUNT" NUMBER(10, 0) NOT NULL ENABLE, "SCHCODE" " "CHAR(2) NOT NULL ENABLE ...