625 questions
I am currently learning JDBC for the first time.For example, if you run a select statement and create an entity class to store the returned values, I would like to ask you a question about how to do i...
The user timeline is being used by AWS Tokio region using dynamicodb.The original table has the following specifications:There are two reasons for replication:Detailed tasks for replication are as fol...
There is a table as below.Books Table-----------------------COLUMN NAME | TYPEid | integername | character varyingsubjects | character varying [] subjects array types when is stored as the {educat...
I'm using SQLite on Android, but how do I check if there's a specific table?
How do I delete tables from mySQL DB on Android??I don't know about SQL at all, so I'm only looking at Android booksCreate DB, create table, add contents What did you do with execSQL?I don't know how ...
Example) member_tableno - auto increment,id - not null,pw - not null,email, phone, address For example, in the table above, only id and pw are required inputs I wonder if the e-mail, phone, and addres...
We are developing a web app with node.js. I'm going to study and start a startup.I was using mysql and found several issues about it and I'm switching to mariaDB.But... There's traffic from the first ...
Hello. Like Kakao Talk, we are implementing a chat that shows the past conversation when you look up while looking at the recent conversation.SELECT * FROM chat WHERE user_id = user ID order by chat_i...
Hi, everyone. I uploaded it because I had a question about the processing of the bulletin board page.To know the size of the page itself when implementing pagination on the webDon't you need the total...
Node.js is being studied and developed.First of all, I'm going to use DB because I need a member management function, so I'm seriously thinking about what to use.It seems that MEAN often uses mongdb f...
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