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ADO CacheSize 属性


❮ Recordset 对象完整参考

CacheSize 属性设置或返回一个长整型值,该值指定可以本地缓存在内存中的记录数。该值必须大于 0。

注意:只要 Recordset 存在,您就可以随时更改此属性,但请记住,缓存内容在下次从数据库检索之前不会更改。

此属性的默认值为 1。这意味着一次仅获取并缓存一条记录。对于大型数据库,这效率不高。较大的值将加快操作速度,但请记住,缓存的记录可能不会显示对数据库所做的最新更改。为避免这种情况,您可以定期调用 Resync 方法,该方法将更新缓存。


语法

objRecordset.CacheSize

❮ Recordset 对象完整参考
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