簡述InstallShield已經內建了對MySQL和Oracle的支援。但是這個功能是通過ODBC實現的,它對SQL指令碼的格式要求非常嚴格,因此已經通過官方用戶端測試的指令碼在IS中執行時往往就會報錯。一般來說,資料庫指令碼只保證通過官方用戶端測試即可,同時維護一份供IS執行的指令碼費時費力。因此,考慮安裝程式對兩資料庫的支援通過官方用戶端實現。MySQL function InstallMySQLComponent(szComponent) NUMBER nResult;
Oracle Database Windows/UNIX Differencesoracle資料庫 windows/unix 環境下的不同點This chapter lists major differences between Oracle Database on Windows and UNIX. For Oracle Database developers and database administrators moving from a UNIX platform to Windows,
在ORACLE中,沒有象MS-SQLSERVER中那樣子有自增欄位,但是如果我們要實現這個功能,有2種方法1 Triggersql語句如下:create or replace trigger trigger_namebefore insert on your_sid.tablenamefor each rowbegindeclare i number;cursor cur is select max(id) from your_sid.tablename;BEGINopen cur;FETCH
java.lang.AbstractMethodError: oracle.jdbc.driver.OracleConnection.getHoldability()I at com.mchange.v2.c3p0.impl.NewPooledConnection.carefulCheckHoldability(NewPooledConnection.java:117) at
http://www.iteye.com/problems/47907 謝謝這位大哥-------------未解(win7下)Exception;如下:java.sql.SQLException: Io 異常: The Network Adapter could not establish the connectionat oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:134)at
IF語句的使用A.基本的IF條件陳述式:基本文法: 程式碼IF THEN END IF;Example: 程式碼SQL> set serveroutput on;SQL> declare x number(3):=9; begin if x<10 then dbms_output.put_line('x is less than10'); end if; end; /結果:x is less than10PL/SQL procedure
Oracle Instant Client是免安裝的Oracle用戶端,由於它沒有被Oracle的安裝程式所封裝,使使用者更容易理解它的結構。Instant Client簡介在其最新的Version 11.1.0.7.0中,包括下面的包:第一、基本包。有兩種:全功能包和簡化包,根據需要下載。1) Instant Client Package - Basic: All files required to run OCI, OCCI, and JDBC-OCI
General Information Note: O/S permissions are those of the user 'Oracle' ... not the schema owner or connected userSource{ORACLE_HOME}/rdbms/admin/utlfile.sqlFirst Availability7.3.4init.ora Parametersutl_file_dirutl_file_dir=c:/oraload
SQL中的單記錄函數1.ASCII返回與指定的字元對應的十進位數;SQL> select ascii('A') A,ascii('a') a,ascii('0') zero,ascii(' ') space from dual;A A ZERO SPACE--------- --------- --------- ---------65 97 48 322.CHR給出整數,返回對應的字元;SQL>