標籤:ORACLE將表中的資料恢複到某一個時間點OracleSQL 執行如下SQL將test_temp表中的資料恢複到 2011 04 29 11:06:00 注意,這裡一定要先刪除全部資料,否則可能會導致資料重複delete from test_temp; insert into test_temp select * from test_temp as of timestamp to_timestamp(‘20
標籤:-- 建立 ACLBEGIN DBMS_NETWORK_ACL_ADMIN.CREATE_ACL(acl =>‘email_server_permissions.xml‘,description=>‘Enables network permissions for the e-mail server‘, principal =>‘LJZ‘,
標籤:1:Oracle查詢某個時間段內,每天傳送簡訊的總條數select tab.tday, (select count(1) from t_msgsendrecode m where trunc(m.sendtime) = to_date(tab.tday,‘yyyy-mm-dd‘))from (select * from (select to_char(add_months(last_day(to_date(‘2015-
標籤:Oracle中使用Entity Framework 6.x Code-First方式開發去年寫過一篇EF的簡單學習筆記,當時EF還不支援Oracle的Code-First開發模式,今天無意又看了下Oracle官網,發現EF6.X已經支援了,並且給出了二篇教程(英文版):1.Using NuGet to Install and Configure Oracle Data Provider for .NET2.Entity Framework Code First and Code
標籤:-- refer: -- http://www.cnblogs.com/gnielee/archive/2009/09/09/1563154.html-- http://www.cnblogs.com/yudy/archive/2012/07/18/2597874.htmlCREATE OR REPLACE TYPE ty_str_split IS TABLE OF VARCHAR2 (4000);CREATE OR REPLACE FUNCTION splitstr(p_string
標籤:--Count the length of stringselect lengthb(‘select * from scott.emp‘) as countted_by_byte, length(‘select * from scott.emp‘) as countted_by_char from dual;--For some character encoding, the length() and the lengthb() is same in english--you may
標籤:--PACKAGECREATE OR REPLACE PACKAGE test_141213 is TYPE type_ref IS record( ENAME VARCHAR2(20), WORK_CITY VARCHAR2(20), SAL NUMBER(10)); TYPE t_type_ref IS TABLE OF type_ref; FUNCTION retrieve(v_name varchar2)
標籤:--PACKAGECREATE OR REPLACE PACKAGE test_141215 is TYPE type_ref IS record( ENAME VARCHAR2(20), SAL NUMBER(10)); TYPE t_type_ref IS TABLE OF type_ref; FUNCTION retrieve(v_name varchar2) RETURN t_type_ref PIPELINED;
標籤:declare Type ref_cur_emp IS REF CURSOR RETURN scott.emp%RowType; cur_emp ref_cur_emp; rec_emp cur_emp%RowType; v_sql varchar2(100) := ‘select * from scott.emp t‘;begin -- xxx Open cur_emp For v_sql; Open cur_emp For