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。
For MDC tables, the selection of BLOCKINSERT may improve the performance of INSERT operations by locking at the block level and avoiding row locks for INSERT operations.
对于mdc表，选择BLOCKINSERT可以提高INSERT操作的性能，因为使用的是块级的锁，避免了为INSERT操作使用行锁。
These locks could be table level, row level, or lock on index, and so on.
这些锁可以是表级锁、行级锁、索引锁等等。
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