JULIAN ARMITAGE, EVELYN HARCOURT. Effects of Data Skew on Index Selectivity Estimation in Oracle Databases. Education & Technology, [S. l.], v. 7, n. 1, p. 16–20, 2026. Disponível em: https://theeducationjournals.com/index.php/egitek/article/view/387. Acesso em: 11 feb. 2026.