Choosing a clustering index for a table is a black art. The industry provides little in the way of guidance. Poor clustering index design can impose severe performance penalties on the entire workload. This pre
Interpretability is the dominant feature of a fuzzy model in security-oriented fields. Traditionally fuzzy models based on expert knowledge have obtained well interpretation innately but imprecisely. Numerical data based fuzzy models perform well in prec
In addition to block indexes for the different MDC dimensions within the database, the system creates the combined block index. The combined block index contains the fields of all the MDC dimensions. The order of the MDC dimensions can slightly affect the performance of table queries that are r...
Traverse has CCIndex: A Complemental Clustering Index on Distributed Ordered Tables 249 the same performance problem as IndexedTable, and is lack of reliability due to the non-replica B-tree indexes. CCIndex is better than these approaches in space over- head, reliability, and index scan ...
cvddindex - Index based on density-involved distance (cvdd). cvnnindex - Index based on nearest neighbors (cvnn). dbindex - Davies-Bouldin index (db). db2index - Enhanced Davies-Bouldin index (db2). dbcvindex - Density-based index (dbcv). dunnindex - Dunn index (dunn). gd31index - ...
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Dominant frequency index,\xi _6\in\mathbb {R}^{+}.This spectral component is inversely proportional to the cycle length. The dominant frequency is computed from the envelopeg(see Algorithm 3) as the maximum peak of the Fast Fourier Transform power spectrum smoothed by the Hamming window. ...
5887274Restartable fast DB2 tablespace reorganization method1999-03-23Barry et al.707/202 5864857Method for processing multi-dimensional data1999-01-26Ohata et al.707/100 5778353Computer program product for optimizing data retrieval using index scanning1998-07-07Schiefer et al.707/2 ...
4. The method of claim 3, wherein the delete-in-block indicator is associated with a lock on the block of data at the locking level. 5. The method of claim 3, wherein the database contains a row index for a column of the table; and wherein the method further comprises setting a ...
In recent years, the fast-growing internet technology has increased online activities, including online shopping. As a result, many companies doing business in this area successfully earn high profits. With the e-shopping success, many online shops compete to offer more variety products and let cus...