Why select statement against a table in oracle returns ORA04021? YouTube(02)

Why select statement against a table in oracle returns ORA04021? YouTube(02)


Image gallery: Ora 04021

案例分享：ORA04021处理过程 墨天轮 ORA04021 timeout occurred while waiting to lock object 钱若梨花落 博客园 Why select statement against a table in oracle returns ORA04021? YouTube ORA04021 timeout occurred while waiting to lock object 钱若梨花落 博客园 ORA04021 timeout occurred while waiting to lock object 钱若梨花落 博客园 How To Analyze ORA04021 or ORA4020 Errors PDF Oracle Database Sql ORA04021等待锁定对象时发生超时_oracle锁等待超时CSDN博客 ORA04021 timeout occurred while waiting to lock object_人生如戏的技术博客_51CTO博客