--模拟批量取数插入Start_time := DBMS_UTILITY.get_time;FORALL i in objects_tab.first .. objects_tab.lastINSERT INTO bulk_objects VALUES objects_tab(i);end_time := DBMS_UTILITY.get_time;DBMS_OUTPUT.PUT_LINE('Conventional Insert: '||to_char(end_time-start_time));COMMIT;END;/--可见开启批量的操作符关键在于：BULK COLLECT，FORALL...
ora_err_number$ number oracle错误代码 ora_err_mesg$ varchar2(2000) oracle错误消息文本 ora_err_rowid$ rowid 错误行的rowid(对于更新和删除) ora_err_optyp$ varchar2(2) 操作类型:insert(i),update(u),delete(d) 注意:来自merge操作的update子句和insert子句的错误通过U,I来区分 ora_err_tag$ varchar...
3.2 Bulk Insertion in Oracle R-Trees (BIOR) In this section, we discuss our technique of Bulk Insertion in Oracle R-Tree, referred to as BIOR. Bulk-insert(n, b, E): returns array of R-tree entries 1. If (b is null and E is null) ...
forall i in 1 .. row_id_table.count insert into tb select * from ta where rowid = row_id_table(i) ; forall i in 1 .. row_id_table.count delete from ta where rowid = row_id_table(i) ; --- Blog: http://www.cndba.cn/dave DBA1 群:62697716(满); DBA2 群:...
测试java的insert 同使用9i以后的bulk Insert 的速度,结果显示通过bulk Insert 速度相当的快. 100000条记录 insert ,---93秒 bulk Insert ---0.441秒 环境: oracle 10.2.0.3 Windows 2000Server java 代码: 复制 SQL>desc aName Type Nullable Default Comments--- --- --- --- ---ID INTEGER YNAME VAR...
I want to insert around 30K rows from system.datatable to oracle table.Can you please tell me what is the fastest way to achieve this, Iam using string builder and writinng 30K inserts script between Begin and End in oracle query but it is taking lot of time, more than 15 mins. ...
oracle的数据处理之insert,delete,truncate partition,bulk collect into,oracle数据量较大时一些操作方法,从select开始,追加insert,insertappend,bulkcollectinto,mergeinto速度比较,附加delete/truncatepartition
UNIQUE 和 PRIMARY KEY 三种约束,其中 NOT NULL 约束在列数组绑定时验证,任何违反 NOT NULL 约束条件的行数据都会舍弃;UNIQUE 约束是在导入完成后重建索引时验证,但是在 bulk copy 时,允许违反索引约束,并在完成后将索引设置成禁用(UNUSABLE)状态;而且,如果索引一开始状态就是禁用(UNUSABLE)状态时,OracleBulkCopy ...
dbcontext.BulkInsert(customers);dbcontext.BulkSaveChanges(); 直接上10W条: 运行完了,共3592毫秒,3.592秒,真快啊~~ 那么20W呢? 20W条数据运行完,才花了6346毫秒,6.346秒的时间。比上面的方法添加1000条的数据用的时间差不多,看来EF自带的添加方法慢,是毋庸置疑的了。
The following code snippet for for bulk insert of data from SQL DB into Oracle database. I have user storedprocedure in oracle database with 2 parameters (int and string) I am getting the below error while executing the query. Please help me to resolve this. or suggest any good solu...