New syntax for disabling an index for foreign key constraint was added to use with the ALTER statement.
用于为外键约束禁用索引的新语句被使用alter语句添加来使用。
A new, empty partition can be added to a partitioned table by executing the ALTER TABLE statement with the ADD PARTITION option specified; the syntax used looks like this
可以通过执行 ALTER TABLE 语句并指定 ADD PARTITION 选项来向一个分区表增加一个新的空分区,使用的语法如下所示
When methyl groups are added to a histone, they modify its properties and alter the frequency at which a particular gene is expressed.
当甲基加到组蛋白后,这些基团会修饰它的性质并改变它上面特定基因的表达频率。
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