標籤:1 CREATE DEFINER=`sa`@`%` PROCEDURE `proc_Product_leimu_ParentIds`(2 IN pID INT3 )4 BEGIN5 SELECT T2.ID, T2.Name FROM ( SELECT @r AS _id, (SELECT @r := ParentID FROM product_leimu WHERE ID = _id) AS ParentID, @l := @l + 1 AS lvl FROM (SELECT
標籤: 語句: XA {START|BEGIN} xid XA END xid XA PREPARE xid XA COMMIT xid [ONE PHASE] XA ROLLBACK xid XA RECOVER XA START xid | XA BEGIN xid 開始一個事務,並將事務置於ACTIVE狀態,此後執行的SQL語句都將置於該事務中。 XA END xid 將事務置於IDLE狀態,表示事務內SQL操作完成。
標籤:memcached本文將介紹在部署Memcached中需要注意的問題以及Memcached的分布式演算法無論你是新上線的系統還是已經上線很久的系統。我們都可以很簡單的對Memcached進行配置,但是配置之前我們需要注意如下問題:1.memcached is only a caching mechanism. It shouldn‘t be used to store information that you cannototherwise afford to lose and then
標籤:memcached本文將介紹Memcached的安裝與使用What is Memcached?Free & open source, high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database