標籤:獲得有關表的資訊可以直接DESCRIBEDESC[RIBE] table_name;可以通過資料字典SELECT * FROM user_tablesWHERE table_name =xxxx;[or WHERE table_name IN (‘xxxx‘,‘xxxx‘)]重新命名表RENAME table_old_name TO table_new_name;截斷表刪除表中的所有行,並重設表的儲存空間,表的表名列屬性等會保留。 TRUNCATE
標籤:declare v_exists_table number;begin select count(*) into v_exists_table from all_tables where table_name = ‘NUMBERS‘; if v_exists_table <> 0 then execute immediate ‘drop table NUMBERS‘; end if;end;/create table Numbers(ID NUMBER
標籤:oracle 開發人員 規則 以下為Oracle大師級語錄:Oracle Database developers should follow is to do everything they can in SQL. What they cannot do in SQL, they should do in PL/SQL. And what they cannot do in PL/SQL,
標籤:Web Api 2, Oracle and Entity FrameworkI spent about two days trying to figure out how to expose the Oracle.ManagedDataAccess 4.121.1.0 library over a Web Api 2.2 OData v4 Endpoint. Looking through the Oracle documentation, Oracle Managed
標籤:oracle[[email protected] database]$ ./runInstaller Starting Oracle Universal Installer... Checking Temp space: must be greater than 120 MB. Actual 38232 MB PassedChecking swap space: must be greater than 150
標籤:使用預存程序中,最常用的莫過於查詢資料表,並返回結果集。在SQL SERVER 中,這類操作最簡單,通過簡單的select * from xx 即可完成。但是在Oracle中並不支援這種寫法,那麼我們怎麼實現跟SQL SERVER同樣的功能呢?且看以下代碼:create or replace procedure sp_getdept(rep_type in varchar2,sel in varchar2,result out sys_refcursor)as seq