First page Back Continue Last page Overview Graphics
PostgreSQL'de başarım
tdmsoft=# CREATE INDEX info_tarih_idx ON info USING btree (tarih) WHERE tarih > '2004-01-01';
CREATE INDEX
test=# EXPLAIN SELECT tarih FROM info WHERE tarih > '2004-01-01';
Index Scan using info_tarih_idx on info (cost=0.00..1175320.50 rows=1000 width=4)
Index Cond: (tarih > '2004-01-01'::date)
Notes: