409 questions
There are two tables, A and B.A is a post, and B is a comment on the post. Like a typical bulletin board, a list of posts is printed, and I want to print a list of comments at the bottom of each list ...
Hello, incumbent a newcomer to the society as a planning service 21 years old!I am studying mysql at the company and learning to manage data such as sales.We are currently creating a data table that c...
How do I access my MySQL database from Java?
The database is using mysql.Is there any way that the web will notice and process when the DB specific value is updated?
import socketimport jsonimport pymysqlHOST = ''PORT = i = 0list_data =[]s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)s.bind((HOST, PORT))s.listen(1)while True : try : conn,addr = s.accept() ...
Hello, I'm trying to print out the ranking on mysql. SELECT * FROM ( SELECT cu_distribution, count(cu_status), @curRank := @curRank + 1 AS rank FROM cs_customer p, (SELECT @curRank := ...
When putting Excel data in the Mysql table LOAD DATA INFILE 'File Name' INTO TABLE Table Name As far as I know, you put it in this query, not all the Excel data in the table like thatCan't we just spa...
Hi, everyone. +-------+---------+| | Field |count |+-------+---------+| test | 4 | <- Fields in Table +-------+---------+| etc | 2 | <- Temporary field of fields not in table.+-------+---------+...
I'm planning a source for php membership, but how can I not allow you to join with an ID that is already in the DB when you sign up for membership?
Hi, everyone. I'm inquiring about the MySQL query statement.Not a web developer, but a bit weak in query statements.In the program you are developing now, you need to find out how many columns you hav...
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