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我发现 Teradata 使用:
READ_ISOLATION_LEVEL= ACCESS|READ|WRITE
它如何对应于通常数据库中的通常读取提交/脏?谢谢。
不确定这是否完全解决了您的问题:
ACCESS锁定将允许脏读允许WRITE锁定到位。READ锁定仅允许已提交的读取,并且可以WRITE/EXCLUSIVE在读取数据时阻塞锁定。WRITElock 防止READ锁访问数据,但允许ACCESS(脏读)锁访问数据。
ACCESS
WRITE
READ
WRITE/EXCLUSIVE