JDBC Driver Connection URLThis section describes the connection URL format and how to create connection objects with the DriverManager class.If you want to use the DriverManager class to create connection objects, you need to know how to make a
http://shqkm.blog.163.com/blog/static/794804172010323102545265/Oracle Connect By用法oracle中的select語句可以用START WITH...CONNECT BY PRIOR子句實現遞迴查詢,connect by 是結構化查詢中用到的,其基本文法是:select ... from <TableName> where <Conditional-1>start with
SELECT * FROM session_privs這個在sqlplus裡可以查看目前使用者所有許可權,查看是否是dbaselect userenv('isdba') from dual;查看當前schema和user:select sys_context('userenv','current_user') as current_userfrom dual;select sys_context('userenv','current_schema') as
arcsde9.2 和oracle分布式安裝環境:oracle10gR2安裝在兩台伺服器上,但只是做雙機熱備,作業系統均為windows server 2003 sp2arcsde安裝在第三台機器上,作業系統為windows server 2003 sp2 安裝步驟:1、需要在ArcSDE的安裝機器上安裝Oracle Client,或者安裝ODAC,只要能安裝Oracle
semsys:seminfo_semmni Description Maximum number of semaphore identifiers. Data Type Signed integer Default 10 Range 1 to 65,535 Dynamic? No Validation Compared to SEMA_INDEX_MAX (currently 65,535) and reset to that value if
(一)什麼叫使用者(user):A user is a name defined in the database that can connect to and access objects.使用者是用串連資料庫和訪問資料庫物件的。(使用者是用來串連資料庫訪問資料庫)。(二)什麼叫模式(schema):A schema is a collection of database objects (used by a user.).Schema objects are the logical