SQL plus error during crontab timing

Crontab timing sqlplus error problem today I plan to use linux to regularly select the data that I need to query every day at work. But I do not know anything about linux scheduled tasks. so, from scratch: Linux uses the crontab command to execute scheduled tasks. 1. check the current scheduled task cront...
Crontab timing sqlplus error problem today I plan to use linux to regularly select the data that I need to query every day at work. But I do not know anything about linux scheduled tasks. so, from scratch: Linux uses the crontab command to execute scheduled tasks. 1. view the current scheduled tasks crontab-l2 and write new scheduled tasks. The operation mode of editing a task is the same as that of vi. Crontab-e, 3, save the scheduled result www.2cto.com Example 1: execute the ls command at every day, output the result to the/jp/test file for 30 5 * ls>/jp/test 2> & 1 Note: 2> & 1 indicates the execution result and error message. The scheduled task format is divided into six sections. the first five sections are the time setting sections, and the sixth section is the command section to be executed. the format is as follows: mi hh dd mm dw command explanation: the number of minutes that mi executes this task every hour. the value range is 0 ~ 59 hh: the hour in which the task is executed every day. the value range is 0 ~ 23 dd: execute this task on the day of every month. The value range is 1 ~ 31mm executes the task in the month of each year. The value range is 1 ~ 12 dw executes the task the day of every week. The value range is 0 ~ 6. 0 indicates that the program www.2cto.com to be executed is specified by the command on Sunday. the example is as follows: * ls indicates that the ls command is executed once every 5th minutes of every hour. * 5 * ls indicates that the ls command is executed at every day. * 7 8 * ls indicates the 8 th day of every month. execute the ls command at AM 30 5 8 6 * ls to specify to execute the ls command at AM on April 9, June 8*0 ls to specify to execute the ls command at AM on every Sunday. [note: 0 indicates Sunday, 1 indicates Monday, and so on. sun indicates Sunday, mon indicates Monday, and so on.]
30, 20 ** ls: execute the ls command at on the 10th and 20th of every month [note: ", [note: "-" is used to connect to consecutive periods] */15 ***** ls executes the ls command every 15 minutes [that is, the ls command is executed every hour for 0th 15 30 45 60 minutes] 30 6 */10 ** ls every month, run the ls command at every 10 days [that is, run the ls command at on the 1st, 11th, 21st, and 31st of every month. ] After a simple understanding of crontab usage, start to create the first scheduled task. the script is as follows: cd/home/oracle .. bash_profilesqlplus userid/password @ TNS_NAME <