MRVL News. 1  Wire. Headline. 2  SA Breaking News. Broadcom, Qualcomm, and Nvidia led Q2 IC design market. 3  Yahoo. See what the IHS Markit Score report has to say about Marvell Technology Group Ltd. 4  SA Breaking News. Marvell SATA SSD controller tops 50M shipments. 5  PR Newswire.
Price indexes have several potential uses. For particularly broad indices, the index can be said to measure the economy's general price level or a cost of living. More narrow price indices can help producers with business plans and pricing.
When to Use Function-Based Indexes. A function-based index computes the value of an expression that involves one or more columns and stores it in the index. The index expression can be an arithmetic expression or an expression that contains a SQL function, PL/SQL function, package function, or C callout. Function-based indexes also support linguistic sorts based on collation keys, efficient linguistic collation of SQL statements, and case-insensitive sorts.