Great explanation video brother. I have been searching for a proper video for about 2 weeks , atlast i found this video and i successfully loaded the HR scheme. thank you bro. Keep Posting knowledge bro. Best wishes.
For those having an error creating a new database connection in SQL Developper(Status failure test io error the network adapter could not established the connection connection ): 0- Make sure you have the right credentials. Normally, a program named SQL Plus should be installed along oracle express 21c. You can open it by pressing windows + type in SQL Plus. It looks like the command line (cmd) when you open it up. There, you can connect to your oracle express database, and it's a great way to know if your credentials are correct. I'm not sure if SQL Developper will tell you that your credentials are wrong, but SQLPlus surely will. 1- Make sure that Oracle RDEBMS kernel Executable is running in task manager (it should take a lot of ram). It runs by default when you open windows, after you installed oracle express. If it's not running, restart your computer. It might fix it, and I have no other way of getting it to boot (tell me if you know please). 2- Open the command line (or windows powershell) and type: lsnrctl start Wait a little for the connexion to happen. It should write a bunch of lines in the commande line saying it worked. If it didn't, again, make sure that oracle RDEBMS kernel Executable is running. 3- It could be a weird firewall settings on your pc. Make sure it can open the port 1521. 4- Please upvote this comment if it helped you and comment to help others. Remember, I'm just trying to help here. Have a nice day :)
This is a great video on starting to use Oracle. The only problem I had is that I don't have an ORACLE_HOME environment variable set. I know how o create it, but 2 questions: 1. What path goes in it, and 2. Is it a user or system variable? Thanks!
I am unable to connect to DB. from sql developer using sys and system .... i am getting as invalid username and pwd . But if I connect with SQL Plus I am able to connect.
Status : Failure -Test failed: ORA-01017: invalid username/password; logon denied this error comes at the time of connecting the hr please give solution
Hi! thank for the video it is really well done. All those tables associated to System connection are just sample data you could use for training purpose apart from HR schema?
Hi, Friend when i am making Oracle SQL developer connection, it's validating as: Status : Failure -Test failed: Listener refused the connection with the following error: ORA-12518, TNS:listener could not hand off client connection (CONNECTION_ID=mMs77G7cT2aCZs77uBjFmw==) Can i have help on this! i have downloaded 22.2 version. Thanks in Advance.
Hello sir, it's very interesting this tutorial but I don't understand why we need to install human_ressources file and execute sql file within this folder. If someone can explain me beacause I'm a beginner ? Thanks.
SQL developer is a stand-alone software, so everytime we need to open the software from the download folder, open SQL developer.exe file from the folder
Everything was fine, but after few days I was logout. Now when I try to login I have error (idk if password is wrong or what): the network adapter could not establish the connection vendor code 17002, Please help 😢
Well the screenshot will have web connection details, if I need to generalize, all the connection details are same as shown in video, but I suggest you to take a screenshot as and when required you can refer to that screenshot That's my intention
Not able to connect new/select database connection and getting error Status : Failure - test failed : listener refused the connection with the following error : ORA - 12514 After installation Oracle database 21c Express Edition not getting installed successfully screen for pliggable database and localhost ID for taking screenshot. Please help and appreciated if you respond to my query.
Firstly, check whether you are providing the credentials correctly or not, credentials are case sensitive Secondly, please make sure the oracle services are running or not If still if you face any issues, please let me know
Hi Thanks for the tutorial, Iam getting this message Status : Failure -Test failed: IO Error: The Network Adapter could not establish the connection (CONNECTION_ID===)
Hi..Even i got the same error, Status : Failure -Test failed: IO Error: The Network Adapter could not establish the connection (CONNECTION_ID=v5mtxcUaSsKK+5N5YF9s1A==) Could you please advisw
It has been three months since I started trying to connect to database but none of the videos helped including this one. Unfortunately. It gives some errors while testing connection to DB. I have tried to resolve this issue by following other videos still could not solve it. I installed Windows 10 and reinstalled it. I tried it on Windows 7. I was able to Oracle DB developer VM and log on to database but I could not create users in that database. Searching the internet during 3 months several hours per week did not bring any positive results. Why does it have to so difficult?
I can understand your situation, some times a small mistakes will make our life hell. Ok, let's get into your issue In your case, I strongly recommend you to format your operating system and re install operating system,fresh copy , it can be either windows 11 or 10 Secondly, install the minimum pre requisite softwares on your machine Thirdly, install oracle 11g software Why do I recommend this for you is, It is a light weight software and does not take much of your system hardware resources and more over, for practicing SQL queries this is the best software Lastly install SQL developer software, which is a stand-alone software and then unlock HR and SCOTT users from the system admin If still the issue persists, get back to me Still I can help you Lastly, please don't loose your patience 🙏
Status : Failure -Test failed: IO Error: The Network Adapter could not establish the connection (CONNECTION_ID=mlNxZd9QS7WocXKshYClsg==) Here is the error. Can't figure out what's wrong. Writing all credentials correctly.
@@techstudio8268 if issue is still persisting here is how I fixed it. Open command prompt as admin and enter the following command. "C:\> lsnrctl start." it will show you the localhost. put that value (something like 192.168 something) in place of host. then try.
@@sabeehazam9273 bro I'm facing this problem, but maybe this guy have a listener that doesn't start, I'm not sure but maybe it's because he has windows home edition, I don't know how to solve this problem, I tried to install oracle 21c varius times and the problem was always the listener, I have windows 10 home on my pc, need healing
@@marioantoniosaviano1720 i encountered 2 problems. 1 was solved by running as administrator so make sure to do that. Second was solved by above step. It was a listener problem which got fixed by the "C:\> lsnrctl start." command.
Unable to connect after installation got below error An error was encountered performing the requested operation: ORA-01109: database not open 01109. 00000 - "database not open" *Cause: A command was attempted that requires the database to be open. *Action: Open the database and try the command again Vendor code 1109
I finished installing SQL Developer after Oracle Dabatase Express Edition (I created an account), the listener is running. When I put the information after the installation (localhost, port and xepdb1) in a new connection and test it, it throws an error: The Network Adapter could not establish the connection. I'm literally using the info the setup.exe showed me at the end.
I came here for installation to Learn oracle. Installation everything gone successful even hr schema also executed. But can you explain what the term hrscema mean why we used to execute.
HR schema is not mandatory, this is just for practicing SQL queries, for anyone who is working on a database need to have sample data. Instead of creating tables, inserting data etc.. HR schema is a ready made sample database. That is why I suggested to execute HR SQL script Hope I gave clear information about HR Schema
Getting random installation failed errors and the times it gets stuck at "7% configuring database" on that small pop-up that came in the middle. Any ideas how to troubleshoot this issue?
![How to Install Oracle 21c and SQL Developer on Windows 10/11 [ 2024 Update ] Complete Guide](/img/n.gif)
THIS GUY EXPLAINATION>>>>COLLEGE EXPLAINATION WOW SO EASY TO UNDERSTAND YOU DESERVE MY SUBSCRIBE
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Great explanation video brother. I have been searching for a proper video for about 2 weeks , atlast i found this video and i successfully loaded the HR scheme. thank you bro. Keep Posting knowledge bro. Best wishes.
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thankyou sir for guiding so beautifully , Installation completed without any errors.💐💐✌✌😊😊
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One of the best and complete video in TH-cam I found so far staring form installation to Configure HR
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For those having an error creating a new database connection in SQL Developper(Status failure test io error the network adapter could not established the connection connection ):
0- Make sure you have the right credentials. Normally, a program named SQL Plus should be installed along oracle express 21c. You can open it by pressing windows + type in SQL Plus. It looks like the command line (cmd) when you open it up. There, you can connect to your oracle express database, and it's a great way to know if your credentials are correct. I'm not sure if SQL Developper will tell you that your credentials are wrong, but SQLPlus surely will.
1- Make sure that Oracle RDEBMS kernel Executable is running in task manager (it should take a lot of ram). It runs by default when you open windows, after you installed oracle express. If it's not running, restart your computer. It might fix it, and I have no other way of getting it to boot (tell me if you know please).
2- Open the command line (or windows powershell) and type: lsnrctl start
Wait a little for the connexion to happen. It should write a bunch of lines in the commande line saying it worked. If it didn't, again, make sure that oracle RDEBMS kernel Executable is running.
3- It could be a weird firewall settings on your pc. Make sure it can open the port 1521.
4- Please upvote this comment if it helped you and comment to help others. Remember, I'm just trying to help here. Have a nice day :)
Good one, but when GUI is user friendly, why do we need to use command mode
This is one of the best tutorials i have ever come across. Thank you sir for that enormous help.😊🙏🤝
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I was struggling for 2 day and your video just saved me. Thanks a ton !!
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I thank you very much. Your channel solves the problem that I have been stuck for many days. Very good. I use the exam. Thank you.
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Dude you are a genius. Trying to install it for like three days...
Thanks a lot.
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You are awesome, this video is as easy as Oracle installation can get. Thank you so much!!
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Дай Бог тебе здоровья милый человек, всё четко и грамотно,с 1 раза получилось, удачи бро
Sorry can't understand this language
@@techstudio8268 I translate from Russian, God grant you good health, dear man, everything is clear and competent, it turned out 1 time, good luck bro
VERY GOOD AND CLEAR CUT INSTALLATION VIDEO 👌👌
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Thank you for explaining all steps in a proper manner!
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This is the best learning video to install Oracle21c.
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Thanks for this video and step-by-step process, I have installed and connected successfully.
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Thank You so much for such a simple and elegant explanation
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Thankyou so much Brother finally i connected to my database from java application
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thank you veryy much man. Greeting from Azerbaijan❤❤❤
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BHAIYA AAPNE TO KAMAL HI KAR DIYA
BAHUT BAHUT DHANYAVAD AAPKA
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Thank you sir.you video helped me a lot.wish u all the best for your channel.
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this video is amazing... very informative video in whole youtube..
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Merci beaucoup Monsieur pour votre aide si précieuse, excellente journée.. !
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This is a great video on starting to use Oracle. The only problem I had is that I don't have an ORACLE_HOME environment variable set. I know how o create it, but 2 questions: 1. What path goes in it, and 2. Is it a user or system variable? Thanks!
At the time of installation, wizard will give some steps, In that you might have given the path, hope you might have remembered the path
Thank you so much. I've been struggling for long time.
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Bro i am getting an status: failure - test failed while clicking test.... I have entered the details correctly....
Please make sure that services are running and also give credentials in case sensitive
Many thanks from Palestine 🇵🇸❤️🌹
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I can use it because of your video. thank you very much. 🥰
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Thanks a lot for this clear installation guide, it was helpful.
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Thank you indeed you are life saver.
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I think its time to start online teaching ❣️
we will support you..
Thanks for your support 💕 i will plan accordingly 😊
I have successfully installed Oracle DB 21c EX thanx man✌
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@@techstudio8268 already subscribed✌
Bhai maine set up kar liye but jaise hi oracle connection add karta hoon toh test failure aa raha hai bro help me
i saw ur vedio and done step by step
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Hi Bro. Very clear and good explanation. useful info. tanq.
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Thank you very much. Done at one go
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I am unable to connect to DB. from sql developer using sys and system .... i am getting as invalid username and pwd . But if I connect with SQL Plus I am able to connect.
Credentials are case sensitive, please try
Thank you bro 😊, this video is very helpful for me .
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Status : Failure -Test failed: IO Error: Got minus one from a read call, connect lapse 61011 ms., Authentication lapse 0 ms.
Please make sure all the settings are perfectly given
Status : Failure -Test failed: ORA-01017: invalid username/password; logon denied
this error comes at the time of connecting the hr please give solution
Please give the credentials in lower or upper case
thank you sir this tutorial is so helpful .😘😗
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Why it is rolling back for the installation time😔many times I tried to install...and every time it like this on rolling back
Really very weird, not sure why that is happening
@@techstudio8268 I don't know plz tell me
Ver y clearly explained. Was very helpful.
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Hi! thank for the video it is really well done. All those tables associated to System connection are just sample data you could use for training purpose apart from HR schema?
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Thank you, this video is very helpful for me
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😊Thank you. This video is very helpful for me...
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wowww delicious knowledge
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Hi, Friend when i am making Oracle SQL developer connection, it's validating as: Status : Failure -Test failed: Listener refused the connection with the following error:
ORA-12518, TNS:listener could not hand off client connection
(CONNECTION_ID=mMs77G7cT2aCZs77uBjFmw==)
Can i have help on this! i have downloaded 22.2 version.
Thanks in Advance.
looks like port 1521 is already in use , give all the connection details correctly and try one more time, hope that should work
Hi were you able to solve the error
Thank u for clear explanation! :)
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thank you very much!!! you save me :)
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Hi sir im already downloaded sql developer but when the network adapter could not establish the connection....
How can I solve this ???
Ya it is almost same, but please give credentials in case sensitive
@@techstudio8268 okay sir 👍
@@techstudio8268 sir I give credentials in case sensitive but still it was showing same error
Thank you bro. You actually helped me.
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thnks... worked for me w/o any issue.
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Thank you for this. It really helped😇
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Hello sir, it's very interesting this tutorial but I don't understand why we need to install human_ressources file and execute sql file within this folder. If someone can explain me beacause I'm a beginner ? Thanks.
HR is a schema, which is very helpful for practice purpose especially for beginners, that's why we install or unlock hr schema
This video is such a great help!
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Thank You , it's working for me.
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Very helpful video ...thanks a lot
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While making new connection when I click on test there is an listner error ORA-12514 what to do?
Please give the parameters correctly
@@techstudio8268 I have entered correct username, password, service but still getting same error
Did you solve this problem? Can you help me? i have the same
@@techstudio8268 I give all parameters correctly, and have the same problem, can you help?
Any update regarding the error I am unable to get the solution.
Yeppp thank you so much
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Thank you Thank you Thank you so much sir.
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Sir once we closed the tab how to open the front end oracle SQL developer again?
SQL developer is a stand-alone software, so everytime we need to open the software from the download folder, open SQL developer.exe file from the folder
Thanks for sharing. I have successfully Done the setup.
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Excellent!!!!
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Everything was fine, but after few days I was logout. Now when I try to login I have error (idk if password is wrong or what): the network adapter could not establish the connection vendor code 17002, Please help 😢
First check whether oracle services are running or not
Secondly, either you are not giving login credentials correctly
Credentials are case sensitive
what should I do if I forgot to take a screen shot when I was installed oracl 21 ?
Well the screenshot will have web connection details, if I need to generalize, all the connection details are same as shown in video, but I suggest you to take a screenshot as and when required you can refer to that screenshot
That's my intention
finally a great explaination.
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Thanks 👍
Worked for me. Thank You !
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Thanks so much for this video.
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thank you very much this was very helpfull
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THANK YOU VERY MUCH ITS 100% WORK
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But i downloaded windows 64 bit with jdk 11 included...process is same or different for both..
Yes it is same
@@techstudio8268 okay sir tq for the information 👍
Thank you so much! You saved me!!
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perfectly taught..!
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Thank you so much
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Not able to connect new/select database connection and getting error
Status : Failure - test failed : listener refused the connection with the following error : ORA - 12514
After installation Oracle database 21c Express Edition not getting installed successfully screen for pliggable database and localhost ID for taking screenshot.
Please help and appreciated if you respond to my query.
Firstly, check whether you are providing the credentials correctly or not, credentials are case sensitive
Secondly, please make sure the oracle services are running or not
If still if you face any issues, please let me know
@@techstudio8268 Tried mentioned resolution that you shared but not resolved my issue.
Requesting for your help.
@@techstudio8268I tried,but still showing same error
thank you very much. you helped me a lot
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Excellent Work, Keep it up
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Hi Thanks for the tutorial, Iam getting this message Status : Failure -Test failed: IO Error: The Network Adapter could not establish the connection (CONNECTION_ID===)
Please provide the login credentials in case sensitive
If choose default location there is a message shows: The provided destination folder has invalid character. Verify and try again
Please avoid special characters and proceed with installation
Hi..Even i got the same error, Status : Failure -Test failed: IO Error: The Network Adapter could not establish the connection (CONNECTION_ID=v5mtxcUaSsKK+5N5YF9s1A==)
Could you please advisw
Please give the login credentials correctly and ensure that the oracle services are running
thanks, my issue got resolved by giving ip address
i forgot to take a screenshot of service name what should i do
Service name is XEPDB1
Showing error when I enter this service name
Too Good
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Link sql dov and hr errors
It has been three months since I started trying to connect to database but none of the videos helped including this one. Unfortunately. It gives some errors while testing connection to DB. I have tried to resolve this issue by following other videos still could not solve it. I installed Windows 10 and reinstalled it. I tried it on Windows 7. I was able to Oracle DB developer VM and log on to database but I could not create users in that database. Searching the internet during 3 months several hours per week did not bring any positive results. Why does it have to so difficult?
I can understand your situation, some times a small mistakes will make our life hell.
Ok, let's get into your issue
In your case, I strongly recommend you to format your operating system and re install operating system,fresh copy , it can be either windows 11 or 10
Secondly, install the minimum pre requisite softwares on your machine
Thirdly, install oracle 11g software
Why do I recommend this for you is,
It is a light weight software and does not take much of your system hardware resources and more over, for practicing SQL queries this is the best software
Lastly install SQL developer software, which is a stand-alone software and then unlock HR and SCOTT users from the system admin
If still the issue persists, get back to me
Still I can help you
Lastly, please don't loose your patience 🙏
Thankyou so much Brother
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❤❤❤❤❤❤ you are the best bro!!!
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thanks alot for helping me ❤
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Status : Failure -Test failed: IO Error: The Network Adapter could not establish the connection (CONNECTION_ID=mlNxZd9QS7WocXKshYClsg==)
Here is the error. Can't figure out what's wrong. Writing all credentials correctly.
Please give the credentials in case sensitive
@@techstudio8268 if issue is still persisting here is how I fixed it. Open command prompt as admin and enter the following command. "C:\> lsnrctl start." it will show you the localhost. put that value (something like 192.168 something) in place of host. then try.
@@sabeehazam9273 bro I'm facing this problem, but maybe this guy have a listener that doesn't start, I'm not sure but maybe it's because he has windows home edition, I don't know how to solve this problem, I tried to install oracle 21c varius times and the problem was always the listener, I have windows 10 home on my pc, need healing
@@marioantoniosaviano1720 i encountered 2 problems. 1 was solved by running as administrator so make sure to do that. Second was solved by above step. It was a listener problem which got fixed by the "C:\> lsnrctl start." command.
thanks man ! helped a lot !
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Unable to connect after installation got below error
An error was encountered performing the requested operation:
ORA-01109: database not open
01109. 00000 - "database not open"
*Cause: A command was attempted that requires the database to be open.
*Action: Open the database and try the command again
Vendor code 1109
Did you installed/connected with adminstrator user?
Second question is: when i click the link of sql developer download I can’t see the download box i see only software licenses agreement.
Ohh.. weird, let me check
Excellent Tut.... sir/....
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Thanks Guru 🙏
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I forgot to take the screenshot of plugging host how to get it now that link please reply 🙏🙏
No problem, that is generic information and the details will be almost same as shown in the video
@@techstudio8268okk l will try and let you know
Nice work Tech!
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I finished installing SQL Developer after Oracle Dabatase Express Edition (I created an account), the listener is running. When I put the information after the installation (localhost, port and xepdb1) in a new connection and test it, it throws an error: The Network Adapter could not establish the connection. I'm literally using the info the setup.exe showed me at the end.
Check whether oracle services are running or not in command prompt mode
@@techstudio8268 how to check?... can you explain clearly
Hello Sir,
Thanks for this great video. It helped me a lot.
I have a question. Can we host application based on 21c XE on google cloud?
Thanks again.
Well I am not sure of that, sorry
I came here for installation to Learn oracle. Installation everything gone successful even hr schema also executed. But can you explain what the term hrscema mean why we used to execute.
HR schema is not mandatory, this is just for practicing SQL queries, for anyone who is working on a database need to have sample data. Instead of creating tables, inserting data etc.. HR schema is a ready made sample database. That is why I suggested to execute HR SQL script
Hope I gave clear information about HR Schema
Thanks, so insightful .
May I ask, how do I run the hr. query on the sqlplus terminal. I tried using the HR(username) to log in but not connected.
You need to connect to pluggable database, you can check my video, how to unlock HR user in oracle 21c, you will get step by step
how to connect to hr
Getting random installation failed errors and the times it gets stuck at "7% configuring database" on that small pop-up that came in the middle. Any ideas how to troubleshoot this issue?
Please check the pre requisite requirements and then retry once
please give a separate video for ODBC 32 Bit connection to oracle database
I will try
Thank you sir🙂
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