1. 使用INSERT INTO ... SELECT语句 这种方法适用于从一个表复制数据到另一个表,或者从查询结果中插入数据。 INSERTINTOtarget_table (column1, column2, ...) SELECTcolumn1, column2, ... FROMsource_table WHEREcondition; 示例: INSERTINTOemployees (id,
bulk Insert 使用的类型及过程 复制 create or replace type i_table is table of number(10);create or replace type v_table is table of varchar2(10);create or replace procedure pro_forall_insert(v_1 i_table,v_2 v_table)asc integer;beginforall i in 1.. v_1.countinsert into a values(...
sec@ora10g> DECLARE 2 CURSOR cur IS 3 SELECT * FROM t_ref; 4 TYPE rec IS TABLE OF t_ref%ROWTYPE; 5 recs rec; 6 BEGIN 7 OPEN cur; 8 WHILE (TRUE) LOOP 9 FETCH cur BULK COLLECT 10 INTO recs LIMIT 100; 11 FORALL i IN 1 .. recs.COUNT 12 INSERT INTO t VALUES recs (i); ...
C/S框架网 - C/S开发框架 测试代码 C#全选 IDatabasedb=DatabaseFactory.GetDatabase(GetDatabaseType(),GetConfig("Normal").ConnectionString);varwatch=Stopwatch.StartNew();varlist=newList<_Demo_Customer>();for(inti=1;i<=1000;i++){list.Add(NewCustomer());}//调用IDatabase.BulkInsert方法intx...
A bulk bind,which uses the FORALL keyword, can improve the performance of INSERT, UPDATE, or DELETE statements that reference collection elements. The PL/SQL block inExample 6-9increases the salary for employees whose manager's ID number is 7902, 7698, or 7839, with and witho...
A bulk bind,which uses the FORALL keyword, can improve the performance of INSERT, UPDATE, or DELETE statements that reference collection elements. The PL/SQL block inExample 6-9increases the salary for employees whose manager's ID number is 7902, 7698, or 7839, with and without bulk binds....
我需要在Oracle数据库的单个表中添加数百万行。经过一些研究,我发现使用bulk insert会提供更好的性能。Delphi程序读取并准备插入行。如何调用带有数组参数的过程才能进行大容量插入? 浏览0提问于2011-01-14得票数1 回答已采纳 1回答 Oracle:存储过程批处理 ...
insert/*+append*/intob_objectselectobject_name,object_type,created,rownum+1997760idfromb_object 1. 2. 3. 57.688秒最快 bulk collect insert into 1. declaretype t_object is table of b_object.object_name%type index by binary_integer;
FETCH c BULK COLLECT INTO l_data LIMIT p_array_size; FORALL i IN 1..l_data.COUNT INSERT INTO t2 VALUES l_data(i); DBMS_OUTPUT.put_line(l_data.count || ' rows'); COMMIT; EXIT WHEN c%NOTFOUND; END LOOP; CLOSE c; END fast_proc; ...
hi, Refer :http://www.codeproject.com/Articles/25881/Bulk-Insert-using-ODP-NET http://stackoverflow.com/questions/5022531/best-way-to-bulk-insert-from-a-c-sharp-datatable http://www.oracle.com/technetwork/issue-archive/2007/07-jan/o17odp-093600.html ...