database tag

146 questions


1 answers
41 views
0
I made a JSP homepage file

Eclipse has created a JSP homepage file.I can connect to Oracle database, but is it possible to connect to the database after uploading it on the homepage?In Eclipse, you can do Tomcatkey right away, ...

2 years ago

1 answers
93 views
0
To output db data over a Java general array

I want to print it out through a normal array, not an array list.I just don't know how.Please give me a hint.ㅜ

2 years ago

1 answers
42 views
0
Questions about DB design.

For example, when obtaining the number of posts per user, In my opinion, the things that can be a determinant areIs it different depending on the situation?How do you usually design it in practice?

2 years ago

1 answers
122 views
0
This is a question related to the link between Kakao Talk chatbot and web DB.

We would like to implement a simple survey and question-and-answer function using the Kakaotalk chatbot. The detailed flow is as follows:Users are classified by Kakao Talk login and authentication on ...


1 answers
40 views
0
I have a question when implementing a login form using PHP.

For PHP practice, I want to create a login form after simply linking DB, but there was an error, so I'm asking you this question. The database integration was successful by entering the source as belo...

2 years ago

1 answers
118 views
0
This is a database question related to app development.

Hello, developersWhen users register an evaluation on a restaurant, it is saved as a store registered in the app Other users can search for the store I'm going to make an app like a restaurant evaluat...

2 years ago

2 answers
76 views
0
Is there a way to find out on the web when changing the db data?

The database is using mysql.Is there any way that the web will notice and process when the DB specific value is updated?

2 years ago

2 answers
107 views
0
How do I use the Android sqlite select statement to call up to the last column?

I'm now using this sql statement to show the data in a list form, but how do I fix this sql statement to show the rest of the data except for the last one in the list?SELECT * FROM + TABLE_NAME+ ORDE...

2 years ago

1 answers
80 views
0
MSSQL Query - How do I get the last index of the string I'm looking for?

Hello seniorsThe query I'm looking for now is Hello World, This is sample codein the string When you look for the word sample,I'm trying to pull out an index that corresponds to 'e' (last index of the...

2 years ago

2 answers
93 views
0
The index is created in postgres, but I wonder if you do seq scan instead of index scan.

The background of knowing the problem is that when selecting, the index was clearly created in consideration of the corresponding select statement, and in development db (local db), the index scan was...

2 years ago
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