Global temporary tables are used to hold intermediate resultsets for the duration of either a transaction or a session. The…
This table introduces a new option, PCTTHRESHOLD, which we’ll look at in a moment. You might have noticed that something…
Index-organized tables (IOTs) are quite simply tables stored in an index structure. Whereas a table stored in a heap is…
As shown in the previous section, when you generate statistics for a temporary table, the statistics are visible only to…
That aside, what is important to know about heap tables? Well, the CREATE TABLE syntax spans some 100+ pages in…
A heap-organized table is probably used 99 percent (or more) of the time in applications. A heap-organized table is the…
I frequently look at one stock at a time for some range of days (e.g., computing a moving average). If…
There are two methods for managing space in segments: •\ Manual Segment Space Management: You set various parameters such as…
Clustered tables give you the ability to physically prejoin data together. You use clusters to store related data from many…
Sorted hash clusters combine the qualities of the hash cluster just described with those of an IOT. They are most…