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
由於XE安裝時,預設web控制台服務連接埠是8080,這個設定令人很是鬱悶,因為和Tomcat等伺服器衝突。今天終於在XE的安裝檔案中翻到了安裝時的SQL,讓我查到了連接埠設定的SQL。 在oraclexe/app/oracle/product/10.2.0/server/config/scripts/postDBCreation.sql檔案裡。有這樣一段:Sql代碼 begin dbms_xdb.sethttpport('8080');
一直以來很少整理在資料庫方面的知識,現在也該是時候整理一下。可惜突然不知道該從哪裡開始……想想Oracle和SQL Server給我的第一印象區別就是他們的構架,這東西我還是搞不太清楚只是稍微有點點感覺而已,算了還是先整理一下函數吧,免的學點又丟點……字元處理函數(常用的)1、Initcap(char):將char中空格格開的單字首大寫ExamplesThe following example capitalizes each word in the string,char can
How Do Bulk Binds Improve Performance?The assigning of values to PL/SQL variables in SQL statements is called binding. PL/SQL binding operations fall into three categories:in-bind When a PL/SQL variable or host variable is stored in the database by
We are using the ojdbc14.jar driver to talk to a 10.1.0.4 version database. When calling getObject() on a rowset, asking for a column that has database type TIMESTAMP(9), I expect to get a java.sql.Timestamp. Instead, I get an oracle.sql.TIMESTAMP,
PROCEDURE prc_儲存配置(prm_data in out long, prm_appcode OUT NUMBER, prm_error OUT VARCHAR2) is xml XMLType; v_str VARCHAR2(1000); aClob clob; begin prm_appcode := pkg_a_macro.def_ok;