Questions tagged [mysql-workbench]

A visual database design tool developed by MySQL. It is the successor application of the DBDesigner4 project.

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MariaDB - Simulate LEAD with LIMIT i+1

I have an ordered set of rows that I need to filter. The filter condition compares a record with the next record in the list. So I'm trying to assign the next row's value into @leadTime below... ...
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Transpose/pivot rows if the ID is the same

I have the following table (sorry for the formatting, I tried...): id |activity_type |date |file_id 1 |UPLOADED |12/01/2019 |1 2 |DELETED |12/01/2019 |1 3 |UPLOADED |...
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25 views

Endless Query Loop In Mysql

I will delete millions records from a table in mysql dbms, but i don't want to delete all records at one time not to force database server cpu. That's why i want to use my query many times. My whille ...
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32 views

Latest MySQL version for Windows 7

How can find out which are the latest GA verions of MySQL Server & Workbench supported under Windows 7? On the 'MySQL Product Support EOL Announcements' page it states: Per the MySQL Support ...
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Unconnected tables for predefined options in MySQL DB [closed]

Is it okay to live some tables not connected to anything? I have a table with a set of discounts for deals. For each deal, discounts can be summed up, so I don't see the point in connecting the "...
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What is a connection in MySQL Workbench?

I've searched so much and still found no answer to what exactly a connection is. I'm a beginner and don't know how connecting to databases/servers works, so I can't move forward yet. What does the ...
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Does my database need to connect to a server? [closed]

I'm very new to SQL and databases. I'm currently following this tutorial for creating a Magento website: https://www.tutorialspoint.com/magento/magento_installation.htm and I'm on Step 4. It says to ...
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2answers
27 views

Error 1005 when Forward Engineering EER diagram

I have created an EER diagram (as shown in the image bellow) in MySQL Workbench and wanted to Forward Engineer to build the DB. After configuring the model options to the Target MySQL Version and ...
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How can I get the MySQL Workbench migration report in a file?

I am looking into a possible migration from SQL Server to MySQL. I've run the migration tool and generated a report but the output is HUGE and I need to share different parts of the report with ...
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20 views

How to find executed query by user

I want to find all the queries executed by an particular user in a database over a period of time in MYSQL. Even they executed query by using MYSQL workbench i want to see log in my Database cloud ...
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29 views

How to get dates from a table while the date range is from the date belonging to another table?

I have a table datedim which has all the dates of a month in it. I have another table attendance that has dates on which attendance were taken. I need to write a query where i can get all the dates ...
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1answer
14 views

Using MySQL Workbench 8 on RHEL7 gui - When I highlight text in the SQL editor it turns black

I'm assuming this is a config issue in MySQL Workbench or in RHEL. How can I change this to a readable color?
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MYSQL need log executed query in table along with executed user name

I would to like the executed quires with entire database tables for some mysql users only. Because some of users executed wrong query in production environment. And needs to store this log in new ...
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MySql Workbench Couldn't find section mysqld in the remote config file /etc/mysql/my.cnf

if you get this trying to connect to your remote server using MySql Workbench, then try to (on your remote server) navigate to /etc/mysql/my.cnf and add [mysqld] then it should look like: !...
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How to improve the speed of a large data migration between SQL Server and MySQL server?

I have an application that is connected to a SQL Server Express database. The database grew and the database is almost at 10GB which is the max limit that SQL Server Express allows for. I am trying ...
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Insert values into a table using a trigger with values from stored procedure

I'm a newbie here. So, please feel free to correct me if my code or thinking approach can be worked upon. I am working in MySQL Workbench and MySQL 8.0 Command Line Client. I have a database called ...
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493 views

Is it possible to change the color of relationship lines in MySQL Workbench diagrams?

I have MySQL Workbench Community Edition 8.0.15 installed on my Mac OS 10.14.3. I'm currently working on making an ERD with Workbench's EER Diagram. My problem is that whenever I export my diagram, ...
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How to restore the missing mysql db schema?

My DB schema is missing/deleted by someone without my knowledge from ASW EC2 windows machine. Seems some unauthorized user entered into the system illegally and did something. Since I can find some ...
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Why these Two Queries performace so different?

This is Query 1: SELECT A.innings_no AS Inn, bowler, OT.Out_Name AS OutType, Runs FROM (SELECT a.innings_no, a.striker, SUM(b.runs_scored) AS Runs FROM ball_by_ball a ...
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202 views

Load From S3 MySQL Error Code 2013 — AWS Aurora

I am attempting to load S3 files to an Aurora MySQL DB Cluster using the below AWS documentation: https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/AuroraMySQL.Integrating.LoadFromS3.html ...
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18 views

one to many relation how to create a new row with mysql trigger

i'm really new to mysql triggers so...i have 3 tables: a,b and c. table a is related with table b with a one to many relaion and table c is the table that get the triggered infromation from the 2 ...
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131 views

mysql trigger before insert

How can i make this trigger update my table DATA if there is no row to update. Until i insert data in other table lets called ABC, this table uses a after insert trigger to insert information into ...
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113 views

Received an unsupported type from Postgres. (14) (SQLGetData)

I have database in PostgreSQL. It is simplest possible database with schema presented here: http://www.postgresqltutorial.com/postgresql-create-table/ I want to migrate it to MySQL. I trying to ...
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247 views

MySQL reporting version mismatch due to picking up previous installation

To solve a mysqldump "Workbench was unable to get mysqldump version. Please verify the log for more information.", I opted for the first solution at https://stackoverflow.com/a/44851129/175241 But ...
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How to set all auto increments to 1 in a Schema

Is it possible to reset all auto increment in a schema in one query? if not even just by per table will do. btw I am using MySQL server 8 thanks in advance :)
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129 views

MySQL - Split results of count function into columns derived from a separate column

The title seems a bit confusing, but I am struggling to put down what I need this query to do so best to explain it. I have 3 tables in my database (Using MySQL Workbench), but for this query I'm just ...
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43 views

MySQL workbench can't deal with MariaDB's new Invisible columns

Recently upgraded to MariaDB 10.3 which has a new feature whereby we can create an invisible column like so: ALTER TABLE MyTable ADD COLUMN `TestA` INT INVISIBLE; But once I create this column, ...
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612 views

Error: The user specified as a definer ('Admin'@'%') does not exist

Error de SQL (1449): The user specified as a definer ('Admin'@'%') does not exist I have this error when I'm trying to update a table. I don't know what I must do, because this error only happens ...
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What's the formula for calculating Key Efficiency in MySql? [duplicate]

How to calculate Key Efficiency percentage in MySql
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5answers
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Mysql: Unable to drop a columns NULL default

Running mariadb 10.3 I have a bunch of columns that were created by default as NULL defaults. I was asked by a third party integrator to remove the NULL defaults, but so far have been unsuccessful. ...
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185 views

Unable to export 8.0.1 MySQL database using MySQL Workbench 8.0

I'm unable to export my 8.0.1 MySQL database using MySQL Workbench 8.0. When I go to perform the export via the "Administration" table, with all the default settings (I didn't change anything ...
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2answers
198 views

mySQL Workbench new Connection : There is no disk in drive. Please insert disk in \Device\Harddisk2\DR2

I'm trying to migrate the data at my company from Excel to mySQL so I'm very new at this. I just installed the latest mySQL package via the standard installer and when I try a new connection (I'm ...
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1answer
33 views

Select rows with same Name and their posible ID (could be Null)

So I have this For every username there is at most one unique associated not null col2 value and potentially some null col2 values. +----------+-------+ | username | col2 | +----------+-------+ | a ...
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618 views

Error parsing DDL for schema.table in mysql workbench

I have production dbs using Mysql 5.5.31-0ubuntu0.12.04-1 (I know its old, will be upgraded soon). I used a too advanced version of mysql workbench which allowed me to add a comment to key. (Now ...
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1answer
117 views

Error 2013 in MySQL Workbench when I perform any operation on a certain table

when using mysql workbench I perform any operation on the table "my_table" I get an error: Error Code: 2013 Lost connection to MySQL server during query Previously I stopped the execution of a ...
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1answer
19 views

Setting model title in MySQL Workbench for Forward Engineering

In MySQL Workbench, when viewing a model, you can select File->Export->Forward Engineer SQL Create Script. The first four lines of the generated file are a comment, something like this: -- ...
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1answer
46 views

find 16,000 words and replace with ##

I need to do a find a replace but rather than find one word to replace with another I have about 16k words, so as an example; table 1 has two words apple,orange - table 2 has the contents of a book, i ...
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1answer
266 views

Error 1062: Duplicate entry 'mydb/regimes' for key 'name'

I am not an expert on databases but I'm modeling a database on mysqlworkbench 8.0.13 and when I try to run the script it breaks at this table(regimes). I can't figure out what KEY 'NAME' it is ...
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18 views

MySQL 8.0 - SELECT QUERY

Hi I am having trouble with building a select query command with my tables. TABLE CUSTOMER +-----------------+-----------------+--------------+ | customer_number | customer_status | order_status | +-...
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How to fully dump mySQL database via workbench?

I am exporting database in SQL file using workbench. Export is done successfully, but when I import data and compare record counts with older database, some of the records are missing. Not all records ...
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25 views

Which query execution will be faster

In the following queries, which query execution will be faster. When I tried executing them in SQLWorkbench, each time query execution time is varying. Also, can you guys suggest some better tools ...
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97 views

Creating Multiple Tables with WITH statements

I have created Table1 and Table2 both with WITH statements. I have been trying to create Table3 with WITH statement as well that would be the UNION ALL of Table1 and Table2. Here is my attempt: ...
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489 views

Counting Occurrences of one Column in Multiple Columns in a Different Table

I have two tables, let's call them Table1 and Table2. Table1 has a column c1. and Table2 has two columns called c2 and c3. I would like to count the occurrences of c1 from Table1 in both columns of ...
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1answer
7k views

Error during table creation : is not valid at this position expecting an identifier

I keeping getting this error during table creation: Order is not valid at this position expecting an identifier. I look up on the Web but I can't figure out how to fix this. What that error means, and ...
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1answer
182 views

Normalizing/combing mutliple tables with similar data

I'm working on setting up a database of vehicle records based on data from a third party vendor. There are 3 models: Vehicles, Transmissions, and Adaptors. Both Vehicles and Transmissions are 1:n ...
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3answers
678 views

MYSQL 8.0 server not found in Workbench directory in Windows 10?

I have upgraded my workbench to 8.0CE and also removed the previous 5.7 MYSQL server as well as Workbench 6.3. This is the directory: C:\Program Files\MySQL\MySQL Workbench 8.0 CE Also when I typed ...
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1answer
61 views

Analyze general log

Motivation : understand the highest CPU\usage\long_query of historic queries running on production. example :10 minute ago on server x graph showed high CPU usage. I thougth for next steps : ...
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MySQL Query can we count rows using php to reduce time of count(*) in a query or there is no difference?

Having the following queries, where the first query is returning a field of number of rows found, and the second returns the actual rows: First Query: SELECT count(*) as total FROM individual i ...
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1answer
45 views

Crash of VMWare Workstation when generating EER Diagram

I'm facing an issue when I'm generating an EER diagram with MySQL Workbench 8.0 I'm using MySQL Workbench on a local Windows 10 virtual machine. My VM is running with VMWare Workstation 12.5.0. I ...
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1answer
2k views

Problem creating my first database , annoying error

I created two tables: person (id as pk , person and purchase) user (id as pk , other columns not relevant to question). After linking the two with an n:m relationship, and proceeding to forward ...