文档解释 ORA-32413: allow concurrent refresh of materialized view and truncate Cause: This event is set to allow concurrent refresh of materialized ……

文档解释 Error number: 4080; Symbol: ER_CONCURRENT_PROCEDURE_USAGE; SQLSTATE: HY000 Message: The %s was called when there was already another concur……

文档解释 ORA-25502: concurrent ALTER SYSTEM QUIESCE/UNQUIESCE command is running Cause: There is a concurrent ALTER SYSTEM QUIESCE RESTRICTED or ALT……

文档解释 ORA-26061: Concurrent direct unloads is not allowed. Cause: User attempted a direct unload when another is still in progress. Action: Compl……

近年来，网络技术的发展使得大厂商、小型公司、个人等各种业绩都可以通过网络平台获得收益。对于这些业绩来说，实时监控其访问量与并发数是非常重要的，可以知……

TP框架是一种PHP的框架，它提供了良好的程序结构和高可扩展性，用于快速开发复杂的Web应用程序。它支持大量的第三方类库，可以实现复杂功能。 由于单服务器有……

文档解释 ORA-19976: a concurrent standby role transition in progress Cause: The standby role transition operation failed because a concurrent standb……