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MYSQL Workbench - Index after deletion (Java)

I have a problem with MYSQLWorkbench. Let's say I have this table, user "x" has index 8. Let's say I...

From [MySQLdiscussion group] 2023-09-05 10:34:42 0  1  655

How to improve grouping speed

I have a large table with over 3B rows and my query now takes 3 days to execute. This is my query: insertintof...

From [MySQLdiscussion group] 2023-09-05 10:24:40 0  1  643

How can I execute this query in sequelize

SELECT*FROMitem_masterWHEREproject_idIN(SELECTidFROMproject_masterWHEREworkspace_idin(SELECTidFROMworkspace_ma...

From [MySQLdiscussion group] 2023-09-05 09:43:31 0  2  587

Manually copy a MySQL 5.5 database to another computer

The product my company uses uses MySQL5.5 as the backend database. The product automatically installs and conf...

From [MySQLdiscussion group] 2023-09-05 00:16:59 0  1  960

Updates a cell in a specified row and unspecified column with content containing a specific string

I have a table with the following columns: name-course1-course2-course3. The two rows look like this: John-phy...

From [MySQLdiscussion group] 2023-09-05 00:22:58 0  1  629

Add a single key-value pair to a MySQL table using Python

I'm trying to add a value to a mysql table from python. I've tried about five different methods and I still ge...

From [MySQLdiscussion group] 2023-09-04 21:36:42 0  1  675

Solve the callback hell problem when exporting a value in SQL query

My goal is to set someVar to 1 if my SQL query finds a result. The problem is, the assignment is local and whe...

From [MySQLdiscussion group] 2023-09-04 21:09:38 0  1  573

Reworded title: Calculating the experience an employee accumulates across multiple jobs

I have a table called employeeexperience with columns id, userId, startDate and endDate. I want to calculate e...

From [MySQLdiscussion group] 2023-09-04 21:03:55 0  1  600

Rewrite the title as: How to convert data type of "unnamed 0" column of pandas dataframe from int64 to string or object

I'm working on a small project trying to send a dataframe from pandas to a mysql database. My dataframe contai...

From [MySQLdiscussion group] 2023-09-04 20:00:13 0  1  759

Extract python list values ??in MYSQL

I have a column in a MySQL database that contains a python list of values ??in json format like this: Column [...

From [MySQLdiscussion group] 2023-09-04 19:35:45 0  2  601

Optimize the use of CASE statements in MySQL

Hi everyone, I have a form as shown in the screenshot above. I wrote a query using a CASE statement so that it...

From [MySQLdiscussion group] 2023-09-04 18:42:48 0  2  673

Error while getting SQL data

So I'm just pulling data from the database and getting the following error. The code is as follows: importpand...

From [MySQLdiscussion group] 2023-09-04 17:09:42 0  1  673

Way to find video games with the most developer involvement (using SQL query)

Suppose we have 3 tables, namely videogames, developers and workson. In the videogames table we have the follo...

From [MySQLdiscussion group] 2023-09-04 16:18:24 0  1  669

Golang, MySQL, unable to append query data to list of structures

When I try to parse the data into a struct and then append it to the slice, I get nothing. But if I use the qu...

From [MySQLdiscussion group] 2023-09-04 08:49:25 0  1  696

Select MySQL only if floating point number changes

I have the following data table: table name entity_values ??date time value 2017-09-0205:05:00202017-09-0205:1...

From [MySQLdiscussion group] 2023-09-04 00:01:04 0  1  740