rpm –ivh oracle-instantclient-basic-10.2.0.4-1.i386.rpm rpm –ivh oracle-instantclient-sqlplus-10.2.0.4-1.i386.rpm
安装完成后需要设置环境变量
LD_LIBRARY_PATH=/usr/lib/oracle/10.2.0.1/client/lib:${LD_LIBRARY_PATH} export LD_LIBRARY_PATH SQLPATH=/usr/lib/oracle/10.2.0.1/client/lib:${SQLPATH} export SQLPATH
利用shell脚本查询数据库示例:
#!/bin/bash name=$1 passwd=$2 host=$3 port=$4 sid=$5 VALUE=`sqlplus -S $name/$passwd@$host:$port/$sid << ! set heading off set feedback off set pagesize 0 set verify off set echo off select id from table_name; exit !` #cataloguuid echo $VALUE if [ -n "$VALUE" ]; then echo "The rows is $VALUE" exit 0 else echo "There is no row" fi
如果想要将查询结果重定向到外部文件查询语句为:
sqlplus -S $name/$passwd@$host:$port/$sid << ! > queryResult.out set heading off set feedback off set pagesize 0 set verify off set echo off select id from table_name; exit !`
转自:http://blog.chinaunix.net/uid/9124312.html
[oracle@hb shell_test]$ cat echo_time
#!/bin/sh
一.最简单的调用sqlplus
sqlplus -S "sys/unimas as sysdba" << !
select to_char(sysdate,'yyyy-mm-dd') today from dual;
exit;
!
[oracle@hb shell_test]$ ./echo_time
TODAY
----------
2011-03-21
-S 是silent mode,不输出类似“SQL>”,连接数据库,关闭数据库之类的信息。
eof可以是任何字符串 比如"laldf"那么当你输入单独一行laldf时"shell认为输入结束,但是必须表示块开始必须使用<<;
开始和结束要匹配这个符号“<<”后面的内容
举例子:
[oracle@hb shell_test]$ sqlplus -s "sys/unimas as sysdba" << abc > select to_char(sysdate,'yyyy-mm-dd') today from dual; > exit; > abc TODAY ---------- 2011-03-21
二.sqlplus的结果传递给shell的方法一
[oracle@hb shell_test]$ cat test2.sh #!/bin/bash VALUE=`sqlplus -S "test/unimas" << ! set heading off set feedback off set pagesize 0 set verify off set echo off select to_char(sysdate,'yyyy-mm-dd') today from dual; exit !` echo $VALUE if [ -n "$VALUE" ]; then echo "The rows is $VALUE" exit 0 else echo "There is no row" fi
三.sqlplus的结果传递给shell的方法二
[oracle@hb shell_test]$ cat test1.sh #!/bin/bash sqlplus -S "test/unimas" << ! set heading off set feedback off set pagesize 0 set verify off set echo off col coun new_value v_coun select count(*) coun from lesson; exit v_coun ! VALUE="$?" echo "show row:$VALUE" col coun new_value v_coun v_coun为number类型。因为exit 只能返回数值类型。
四.把shell参数传递给sqlplus
#!/bin/bash t_id="$1" sqlplus -S "test/unimas" << ! set heading off set feedback off set pagesize 0 set verify off set echo off select teachername from teacher where id=$t_id; exit !
五.sqlplus的结果存储在文件中
#!/bin/sh sqlplus -S "test/unimas"<<EOF set heading off set feedback off set pagesize 0 set verify off set echo off spool spool_file SELECT * from teacher; spool off exit; EOF