如果我們不指定事務關鍵字,SQL Server是否會記錄更改? [英]Will SQL Server record the changes if we don't specify transaction keywords?
如果我們在休眠中開始事務但不提交它會發生什么? [英]What will happen if we begin transaction in hibernate but do not commit it?
當我們已經有了用於在線訂購的交易時,是否需要記錄級別鎖定? (演唱會門票或飛機票的) [英]Do we need Record Level Locking when we already have Transaction for online ordering? (of concert ticket or airline booking)
我們在哪里可以使用ElasticSearch?在哪里可以使用MongoDB? [英]Where can we use ElasticSearch and Where can we use MongoDB?