Self-study Java, the study to the database, not oracle SQL delover connection on the server, want to have a great god can help me, try the method on baidu, find what say have, hope to have a great god can help me, I must thank you special

CodePudding user response:

To download from here first:

http://www.oracle.com/technetwork/developer-tools/sql-developer/downloads/index.html

CodePudding user response:

refer to the original poster weixin_38491708 response:

Java self-study, learning to the database, not oracle SQL delover connection on the server, want to have a great god can help me, try the method on baidu, what say found have, hope to have a great god can help me, I must thank

Add a friend, I also just learn Java, learning together

CodePudding user response:

I also encountered similar problems to be solved

CodePudding user response:

Oracle SQL delover connection is not on the server there are many kinds of situation, I am win 10 connected not because permissions problems for the first time, I as an administrator on the good; Also may be shut down the Oracle database server, you can open the control panel - management tools - service - find the beginning of first and second from bottom with Oracle database server didn't open, you can open it; Configuration tnsnames. Ora, default is in D: \ app \ wanghezi \ product \ 11.2.0 \ dbhome_1 \ NETWORK \ ADMIN, of course, also want to see you install directory, this step is to ensure that the instance is present