基本解釋[計(jì)算機(jī)科學(xué)技術(shù)]聯(lián)接列英漢例句雙語例句If you do not specify the Join column, JPA will attempt to resolve the keys based on a naming scheme.如果您未指定 Join 列，JPA 將根據(jù)命名方案嘗試解析這些鍵。It then reads from the outer table BAD_CREDIT using the SHIP operator, hashing the join column values, and checking in the lookup table generated for the inner table.然后，它使用 SHIP 操作符讀外表 BAD_CREDIT，散列連接列的值，并檢查為內(nèi)表生成的查找表。If there is an index on the join column, the costs will be significantly less; otherwise the database server must perform table scans for all tables, both outer and inner tables.如果連接列上有一個(gè)索引，那么其成本會(huì)相當(dāng)?shù)停环駝t，數(shù)據(jù)庫(kù)服務(wù)器就必須對(duì)所有表（外部和內(nèi)部表）執(zhí)行表掃描。權(quán)威例句Bob Mondello, NPR's film and art's critic will join us to talk a little bit more about that in the new column, Brother's Film.NPR: The Week in Iraqjoin column更多例句詞組短語短語beam -column join 梁柱節(jié)點(diǎn)join column更多詞組專業(yè)釋義計(jì)算機(jī)科學(xué)技術(shù)聯(lián)接列