SQL Tuning

[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W]

underlined numbers in query diagrams  

unfiltered joins  

UNION ALL operation   [See set operations]

UNION operation   [See set operations]

unique indexes, performance effects of  

unique keys   [See primary keys]

updates in index, performance effects of  

uppercase text used in this book  

upstream nodes, when to choose  

USE_HASH hint  

USE_NL hint  

Категории