Copyright (c) 2000, 2021, Oracle and/or its affiliates. This is a release of MySQL, an SQL database server. License information can be found in the LICENSE file. This ...

在12月“DB-Engines关系型数据库排行榜”中，国产数据库TiDB、OceanBase、阿里云PolarDB分列44、52、53位；南大通用GBase数据库在关系型数据库中全球排名第61位，较去年同期（77位）提升16名，排名国产数据库第四名；腾讯TDSQL数据库（77位）和华为OpenGauss数据库（79位）则紧随其后，分别位列国产数据库第五、六名。

我们日常使用的数据库主要包括Oracle、MySQL、DB2和SQL Server等。在操作Oracle数据库时，PL/SQL是匹配度最高的工具之一。那么如何利用PL/SQL创建定时任务？接下来将简要介绍通过该工具实现定时器功能的具体步骤与方法。

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