文档解释 ORA-21707: pin duration is longer than allocation duration Cause: The pin duration supplied by the user is longer than the allocation durat……

使用Redis缓存优化数据统计 现在的Web应用越来越注重用户体验，数据统计对于优化用户体验至关重要。在高并发场景下，数据库的性能会受到很大影响。为了解决这……

破解Redis查询命令日志之路 Redis是一个开源的内存数据结构存储系统，提供了多种数据结构，如字符串、哈希表、列表等，支持多种操作，如读写、删除等。在实际……

文档解释 ORA-41636: invalid duration specification at the primitive event level Cause: An attempt was made to specify a duration policy for the prim……

文档解释 ORA-21608: duration is invalid for this function Cause: Attempt to use a duration not valid for this function. Action: Use a valid duration……

文档解释 ORA-21779: duration not active Cause: User is trying to use a duration that has been terminated. Action: User should avoid performing such ……

文档解释 ORA-41624: invalid duration policy for primitive object in a composite event Cause: An attempt was made to specify a SESSION or TRANSACTION……

文档解释 ORA-21706: duration does not exist or is invalid Cause: The duration number that is supplied by the user is not valid. Action: User needs t……

时间，对程序员来说是很重要的，不管是单机程序还是服务器程序，都有必要关注它们的运行时间，特别是在Linux下，不仅要考虑它们在CPU上的运行时间，还要考虑它……

文档解释 ORA-41634: invalid duration specification in rule properties: “string” Cause: Invalid value was specified for the duration attribute in the……