The stream driver USES row level locks.

流驱动程序将使用低级锁。

youdao

It USES auto_increment primary key, which causes table-level locks in InnoDB for all MySQL versions prior to 5.1.21.

使用了auto_increment主键，对于MySQL 5.1.21之前的版本都会导致in noDB使用表级锁。

youdao

There are little tricks one can do to increase concurrency, but if your applications need table-level or row-level locks, a DBMS will better suit your needs.

虽然有一些增加并发的技巧，但是，如果应用程序需要的是表级别或行级别的锁定，那么DBMS能够更好地满足您的需求。

youdao

Fresh from constructing a sea-level canal through the flat Egyptian sand, de Lesseps was determined, without having set foot in Panama and after only the vaguest of topographical studies, that his project through the mountainous central American isthmus would also be a sea-level canal, requiring no locks to cope with changes in altitude.

ECONOMIST: The Panama Canal

More fisticuffs burst out, Paul Tito heavily engaged with Hartley and opposing locks Lawes and Christian Day, before Parks slotted over the penalty to level the match at 6-6 on the half-hour mark.

BBC: Blues 19-23 Northampton

De Lesseps's insistence that the canal be built without locks had led engineers to try to cut directly through the rock to sea level.

ECONOMIST: The Panama Canal