首先我們來看看官方對其解釋:Oracle provides four different types of JDBC drivers, for use in different deployment scenarios. The 10.1.0 drivers can access Oracle 8.1.7 and higher. While all Oracle JDBC drivers are similar, some features apply only to JDBC OCI
SQL語句1. 擷取有哪些使用者在使用資料庫 select username from v$session;2. 擷取資料庫的SID select name from v$database; 3. 查看最大會話數 SELECT * FROM V$PARAMETER WHERE NAME LIKE 'proc%'; 4. 查看資料庫中所有使用者及所有表 Select owner, table_name from dba_tables; 5.
SQL> select * from test;ID------------------------------------------------------------c_zhangzhangsanccccccSQL> select id from test where id like 'c_%' escape '';ID------------------------------------------------------------c_zhangSQL>
Asp.net 向Oracle儲存Clob欄位時,小於 4000個字元時(OracleType.Varchar最大長度)處理正常。但當大於時,就會出錯。解決方案如下(本文用的是微軟企業庫,其他的可以根據實際改): 測試表 create or replace table Test ( id varchar2(20), title varchar2(50), content clob ) Sql Parameter形式 Sql
select * from ylfwzb.doubt_info a where a.dxlx = '2' and a.dxid = '90990' and a.gzid = '1000000000000001' and a.jbfl= nvl('',a.jbfl);16條select * from ylfwzb.doubt_info a where a.dxlx = '2' and a.dxid = '90990' and a.gzid = '10000000000000
範例:create or replace procedure test is v_count number(4); cursor v_c is select * from "t2VoucherHandNo"; begin select count(*) into v_count from "t2VoucherHandNo"; if v_count>1 then raise too_many_rows; else for my_v