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Resolving "communication link failure" with JDBC and MySQL

I'm trying to connect to my local MySQL server but I keep getting an error message. Here is the code. publiccl...

From [MySQLdiscussion group] 2023-08-24 15:46:59 0  1  632

Retrieve last record in each group - MySQL

Thereisatablemessagesthatcontainsdataasshownbelow:IdNameOther_Columns-------------------------1AA_data_12AA_da...

From [MySQLdiscussion group] 2023-08-24 15:06:23 0  2  661

How to use PDO connection in other classes

I feel like I have a problem understanding how object-oriented programming (OOP) works. I've changed the code ...

From [MySQLdiscussion group] 2023-08-24 15:10:58 0  1  580

Backup of PostgreSQL database design - no data

I'm trying to find a way to backup my database design without including the data stored in the database. Actua...

From [MySQLdiscussion group] 2023-08-24 14:29:36 0  1  803

The problem of Amazon RDS being unable to execute the SET GLOBAL command still exists

I'm using AmazonRDS for mysql database. I want to run some SET commands like: SETGLOBALgroup_concat_max_len=18...

From [MySQLdiscussion group] 2023-08-24 14:42:31 0  2  946

Python cursor cannot retrieve results from stored procedure

For some strange reason, I can't get the results from the callproc call in my Python test application. The sto...

From [MySQLdiscussion group] 2023-08-24 14:22:59 0  2  774

How do I populate empty dates in SQL results, either on the MySQL or Perl side, and what's the most straightforward way?

I'm building a quick csv from a mysql table using queries like: selectDATE(date),count(date)fromtablegroupbyDA...

From [MySQLdiscussion group] 2023-08-24 13:14:12 0  2  662

Relevance method for sorting MYSQL full-text search results

I'm relatively new to MYSQL and have a problem that's been bugging me for a while. I've tried searching for an...

From [MySQLdiscussion group] 2023-08-24 12:03:52 0  2  642

Insert from CTE

WITHDTLAS(SELECTCMPI_CODE,CMN_CDTY_MTRL,CMI_WT_FACTOR,CMI_CNTRCT_RATE,'PL',PRESENT_PRICE,TRM_CODE,ROUND(((NVL(...

From [MySQLdiscussion group] 2023-08-24 10:57:10 0  2  644

Migrate data from one database to another

I need to migrate data from one database to another, both on the same local system. The table and column names...

From [MySQLdiscussion group] 2023-08-24 09:58:47 0  2  798

How to protect database passwords in PHP?

When a PHP application establishes a database connection, it usually needs to pass a login name and password. ...

From [MySQLdiscussion group] 2023-08-24 09:12:50 0  2  666

How to use PHP's password_hash to hash and verify passwords

Lately I've been trying to implement my own security on a login script I stumbled across on the internet. Afte...

From [MySQLdiscussion group] 2023-08-24 09:04:22 0  2  546

Automatically refresh the page every 30 seconds

I have a JSP page which has to display the status of various jobs that are running. Some of these jobs take ti...

From [MySQLdiscussion group] 2023-08-24 00:43:45 0  2  815

Ranking function in MySQL

I need to find out the ranking of customers. Here I add the corresponding ANSI standard SQL query according to...

From [MySQLdiscussion group] 2023-08-24 00:03:12 0  2  570

How to get last insert ID of MySQL table in PHP?

I have a table where new data is inserted frequently. I need to get the last ID of the table. How can I do thi...

From [MySQLdiscussion group] 2023-08-23 21:49:21 0  2  684