The normal behaviour of a database access is to get a read lock on the queried data, which gets transformed into an update lock if data is updated.
数据库访问通常会对被查询的数据进行读锁定，在数据更新后会变成更新锁定。
2
To ensure the normal operation of the construction of party a, please provide constructors or placed tools and equipment parts storage room unpacking after a set of boiler (or lock).
为保证施工的正常进行，请建设方或甲方提供放置工具和设备开箱后的零部件存放室一间(或锅炉房设门锁)。
3
On the other hand, in DB2 LUW, Quiesce will be in persistent lock-mode that can be applied on instance, database or table space to restrict normal users while you perform maintenance tasks.