...深度(Color Bits)、背景色(Blackground Color Index)以及有无全局颜色列表(Global Color Table)和颜色列表的索引数(Index Count),具体描述见下表:
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考虑在表上已创建的索引数。
Consider the number of indexes already created on your table.
您有很多选择可以加速 DB2 环境中的查询,同时又可保证不增加索引数。
You have plenty of options for accelerating queries in a DB2 environment while holding the line on indexes.
但是如果您又不想增加表中定义的索引数,那您的性能调整真到了穷途末路吗?
But if you don't want to increase the number of indexes defined on the table, are you at a performance tuning dead end?
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