Category "mysql"

Why do MySQL 8 IF and IFNULL return a BLOB result when testing a variable with value NULL?

Note: I have moved the essence of this question to here having learned some of what is happening but still wanting to understand. (In essence, ISNULL and COALES

Which MySQL Charset.xml Contains utf8 & utf8mb4

Im wanting verify that my testing environment will be as close as possible to my production environment. In my test environment's DB I use utf8mb4 as my charset

Why my Tomcat 9 does not keep the jdbc connections open as it is specified in minIdle?

I have configured my Tomcat 9 to keep a database pool using the server.xml in order to have a minimum of 50 connections to my mysql database. When the tomcat st

email address not displaying correctly when importing .pst to mysql using c#

I am using the code below to export an outlook-mounted .pst file called working to a local MySQL database, for the most part the code works fine however some "S

Acces to MySQL automatic data transfer

I have to pass data from Access database to a MySQL database attached to HeidiSQL automatically every minutes. To do that i put the data into excel files format

simple planetscale - golang app won't select the database properly

After connecting to a Planetscale database using DSN with the following structure: user:password@tcp(host)/database?tls=true I decided to test it by running a

How to use the go-mysql-driver with ssl on aws with a mysql rds instance

I have a RDS instance running on AWS and I want to know how to connect to that instance over ssl. From this link Using SSL with mysql database. AWS sets up our

Mysql) when i using user-defined variable , SQL explain use type "ALL"

When i using user-defined variable , i want to use 'index' like 'ref..'; for example, SET @company_code = "A002"; select * from product_in_out where company_

MySQL v8.0.13 Warning 1287 Setting user variables within expressions is deprecated and will be removed in a future release

Executing the following query in MySQL v8.0.13 results in this error: 0 row(s) affected, 1 warning(s): 1287 Setting user variables within expressions is deprec

Can't seem to get MySQL to start in Docker Container

I'm trying to get MySQL to run in a Docker Container under Windows 10 WSL 2. I attempted to start the container with this command: docker run -d --name mysql -

SELECT list is not in GROUP BY clause and contains nonaggregated column .... incompatible with sql_mode=only_full_group_by

AM using MySQL 5.7.13 on my windows PC with WAMP Server Here my Problem is While executing this query SELECT * FROM `tbl_customer_pod_uploads` WHERE `load_id`

ERROR: Unable to start Group Replication 3096 (HY000) Can't add nodes to cluster INNODB

Setup: [All machines (4) are connected on LAN, updated, upgraded and they see themselves and work fine.] I've installed mysql in all 4, I created a cluster b

How to install mysql-server in a Dockerfile?

I have a complex Dockerfile which install much more than just mysql-server so I cannot start from an existing mysql container. When removing all the extra-stu

How to repaire global_priv mysql

When I try to add User account in phpmyadmin then the error appear Error Message: Index for table 'global_priv' is corrupt; try to repair it

compare two tables having same column name but different date column names

I have table A id1 dt x1 2022-04-10 a2 2022-04-10 a1 2022-04-10 x1 2022-05-10 x2 2022-04-10 y2 2022-04-10 y1 2022-05-10 x1 2022-06 -10 Table B id1 dt a1 2022

Doctrine2 DBAL Exists query

I would like to ask for your help with Doctrine2 DBAL query built with QueryBuilder. I'm used to ORM, but I think it's an overkill for such query which is being

Array divided into days of the week

I want the array to be divided into days of the week according to the date specified in BETWEEN and AND public static function showDataByEmployer($employer) {

sqoop merge-key creating multiple part files instead of one which doesn't serve the purpose of using merge-key

Ideally, when we run incremental without merge-key it will create new file with the appended data set but if we use merge-key then it will create new whole data

Best and most efficient way for ELO-score calculation for users in database

I'm having a hard time wrapping my head around the issue of an ELO-score-like calculation for a large amount of users on our platform. For example. For every u

Advantages and disadvantages of installing a LAMP using lamp-server^ package vs individual Apache, PHP, MySQL installation

I want to setup LAMP in Azure server, There are approachs to setup LAMP using below methods LAMP Package : sudo apt-get install lamp-server^ Apache, PHP, MySQL