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ÒÔÇ°Ò»Ö±¾õµÃlinq to sqlÉú³ÉÀàËÆwhere id not in (1,3,5)»òwhere id not in (select id from ...)ÕâÑùµÄÌõ¼þ²»ÊǺܷ½±ã£¬Ã¿´ÎÎÒ¶¼ÊÇ°ÑÌõ¼þIDÊÂÏÈÈ¡µ½Ò»¸öÊý×éÀȻºóÓà !Arr.Contains(c.Id)ÕâÑù´¦Àí£¬½ñÌìͻȻ·¢ÏÖÕâÑùºÃɵ£¬Æäʵ¿ÉÒÔÍêÈ«Ö±½ÓÓÃlinqд³ÉÒ»¾ä£¬Ìù¸öʾÀýÔÚÕâÀÒԺ󱸲é
from a in TableA where !(from b in TableB Where ... select b.Id).Contains(a.Id)
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CREATE [OR REPLACE] TYPE [schema.] type_name
[AUTHID {CURRENT_USER|DEFINER}] AS OBJECT (
Attribute1 datatype,
[attribute2 datatype,…]
[method 1]
[method 2]);
/
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Subquery: (single-row subqueries and multi-rows subqueries).
select select_list
from table
where expr operator (select select_list from table);
single-row subqueries operator: =, >, >=, <, <=, <>
e.g.:
1. select department_id, min(salary) from employees group by department_id ......
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