sql tag

625 questions

1 answers
33 views
0

How to connect MySQL databases in Python

Please tell me how to access the MySQL database using the Python program.

2 years ago

1 answers
109 views
0

Real-time App Server Implementation

Hello, everyone We are implementing app programming that shows the waiting time and number of people at a restaurant in real time. As far as I know, database, server, app exists, so when data comes in...

server mysql java app-programming

2 years ago

1 answers
111 views
0

How can I write a three-table join SQL statement?

The table structure is shown below. What I want to show you is to show the materials that belong to the product in the product list. Product 1 | (Material 1, Material 2) Product 2 | (Material 1, Mater...

sql querying

2 years ago

1 answers
32 views
0

mysql How do I delete multiple data from one table at once?

tbl_member I'm trying to delete 2 members at the same time from the table, but I keep getting errorsI got 2 id values delete from tbl_member where userid in (user30,user20) ordelete from tbl_member wh...

mysql

2 years ago

1 answers
30 views
0

Number of mysql columns

Hi, everyone. I am currently designing a DBThe number of columns in a table is likely to easily exceed 400.As far as I know, the number of max columns is thousands, so I don't think it'll matterWhat a...

mysql

2 years ago

1 answers
123 views
0

MYSQL MAX batch value is slow

Hello, how are you?I'm white-headed to be in charge of my own MYSQL + Apache application server in a small company without any IT staff, especially Infra. ㅜ

mysql sending cpu

2 years ago

1 answers
40 views
0

Refresh Android Studio

I'm making a simple soccer-related application.I want to make a team management page in the league, but after saving the results of web crawling in Python to mysql Using php language, spray it on the ...

android python php mysql

2 years ago

2 answers
38 views
0

I have a database design question.

I have a question about configuring the databaseex)Product Tablecode/name/specification/price---------------------------------a0001 / a / a-101 / 10000......For example, how can we organize these tabl...

database sql

2 years ago

1 answers
50 views
0

Is it the number in parentheses when creating a table in the sql door? What's the point?

It's been a month and a half since I learned Java. Please check. Have a nice day.

sql database

2 years ago

2 answers
34 views
0

I want to select node.js from mysql and then use the data I gotㅜㅜ

var results=[]; // Empty array for resultsconnection.query('SELECT * from img_result_tb', function(err, rows, fields) {if (!err){ for(var i=0; i<6;i++){ results.push(rows[i].resultId); // get only...

javascript node.js mysql

2 years ago

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