Non-unique secondary indexing of semi-structured data in databases
US11347794B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Dec 21, 2016 |
| Grant date | May 31, 2022 |
| Priority date | — |
| Expiry date | Dec 30, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/22
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Various embodiments herein each include at least one of systems, methods, and software for generating, storing, and using non-unique secondary indexes of semi-structured data in database tables. One method embodiment includes creating and storing a non-unique secondary index (NUSI) for a database table based on column data stored in rows of the database table. The NUSI in some such embodiments identifying an offset to specific data included in the column data of at least some rows of the database table where the specific data is located. Other embodiments include building a NUSI index that includes values embedded therein.
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