How does one use bind variables in oo4o 在oo4o中如何使用綁定變量?
It s possible to bind variables to either jena 可以將變量與jena
Clauses - enable query programmers to iterate over groups of nodes within xml documents and to bind variables to intermediate results 子句的非正式方式。它使程序員能夠循環(huán)遍歷xml文檔中的節(jié)點組并將變量綁定到中間結(jié)果。
Quine ' s criterion of ontological commitment that " existence is the value of bound variables " revealed tactfully linguistic essence of existential issues on the problem " what things exist " 在“何物存在”問題上,蒯因“存在就是約束變項的值”的本體論承諾標準機智地揭示了存在問題的語言學實質(zhì)。
If you a have a column that has a skewed data distribution , a histogram on it and if you are using bind variables against that column you may suffer from the same problem 大致意思是,綁定變量的窺視,在你的某字段有不均衡的數(shù)據(jù)分布,又有柱狀圖的情況下,首次執(zhí)行的語句生成了對其有利的執(zhí)行計劃,它會將計劃帶個所有后面的語句,不管后面語句的執(zhí)行時間會花費多久