Oracle RAC日常基本維護命令所有執行個體和服務的狀態$ srvctl status database -d orclInstance orcl1 is running on node linux1Instance orcl2 is running on node linux2單個執行個體的狀態$ srvctl status instance -d orcl -i orcl2Instance orcl2 is running on node linux2 在資料庫全域命名服務的狀態$
以下內容轉自網路,感覺這個比較有用。收藏一下。The following are number examples for the to_char function.to_char(1210.73, '9999.9')would return '1210.7'to_char(1210.73, '9,999.99')would return '1,210.73'to_char(1210.73, '$9,999.00')would return '$1,210.73'to_char(21, '0000
在DBA的日常工作中,經常遇到為Oracle使用者解鎖的操作;這篇文章給出在命令列下進行Oracle使用者解鎖的操作方法,通過幾條簡單的解鎖語句就能完成此項工作。下面是具體的過程:預設的scott使用者是被鎖定的,先解鎖就能登陸上了。 使用下面的語句解鎖scott: alter user scott account unlock; 解鎖之後可能會要求你該密碼: alter user scott identified by tiger; 再登陸: sqlplus scott/tiger
Have you gotten the error; "RemoteOperationException: ERROR: wrong password for user" with Oracle 10g? If so, it is probably because the OS user that you are trying to login to the Oracle Enterprise Manager with has not been setup to allow the user
DDLData Definition Language (DDL) statements are used to define the database structure or schema. Some examples: CREATE - to create objects in the databaseALTER - alters the structure of the databaseDROP - delete objects from the databaseTRUNCATE -
(1)SEQNAME.NEXTVAL裡面的值如何讀出來 可以直接在insert into test values(SEQNAME.NEXTVAL) 是可以用這樣: SELECT tmpdata_seq.NEXTVAL INTO id_temp FROM DUAL; 然後可以用id_temp (2)PLS-00103: 出現符號 ">"在需要下列之一時: 代碼如下: IF (sum>0) THEN begin INSERT
ORACLE段:首先在ORACLE建立PACKAGE和PACKAGE BODY,將在這裡面定義函數和預存程序返回結果集。1:建立PACKAGE:CREATE OR REPLACE package SCOTT.pk_wtistype mytype is ref cursor;procedure p_wt(mycs out mytype);function f_get(str in varchar2)return varchar2;end;
Partitioning enables you to decompose very large tables and indexes into smaller and more manageable pieces called partitions. Each partition is an independent object with its own name and optionally its own storage