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How to create multiple one to one's
(3 answers)
How would inheritance be used in MySQL?
(4 answers)
Closed 2 years ago.
I am currently working on a small project in mySQL.I have a table called employee;ID, FirstName, ...)
I want to create a sub entity of this employee table and name it chef. chef has a special attributes: chef( cuisine, shift type,..)
What is the best way to achieve this? Thanks
Related
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UTF-8 all the way through
(13 answers)
Closed 2 years ago.
I have a problem in mysql,
How can I store users' nickname like this: "𝙈𝙤𝙧𝙘𝙮𝙮𝙮𝙮" in a database?
Because for the moment it gives me: "????????????????????" in the table and I really need the real username of all users so I can rank them with the correct nicknames
Thank you!
Store the name with HTML tags:
"𝙈𝙤𝙧𝙘𝙮𝙮𝙮𝙮" = <b><i>Morcyyyy</i></b>
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Unused Database Table Effects
(5 answers)
Closed 3 years ago.
I have a few temporary tables that I use for a second, then clear out the data. Should I delete these tables after I finish using them or would it be okay to leave them?
It is OK to leave them.
You may wish from time to time to check the file size and run a Compact & Repair.
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Transposing Dynamic Columns to Rows
(2 answers)
How can I return pivot table output in MySQL?
(10 answers)
Closed 5 years ago.
I have a storage application that stores data on change, about 200 columns with a time stamp and ID.
What I am trying to do is format each row into a table layout.
Raw data:
Here is how I would like to return the data:
I am new to MySQL so I apologize if this is an obvious answer, any help is appreciated!
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How do I make a row generator in MySQL?
(9 answers)
Closed 7 years ago.
I'm facing a scenario, where if the input is 10, I want a sequence of numbers (1,2,3,...10).
In oracle the level function provides that function, and I wish to know how to perform the same task in MySQL.
Thanks...
You can Use this query in mysql
SET #rownr=0;
SELECT #rownr:=#rownr+1 AS `rowNumber` FROM `tablename` limit 10
the above query generate sequence of that number upto the limit.
Tablename is any of your table in db
This question already has answers here:
How to get a list of MySQL views?
(9 answers)
Closed 8 years ago.
I created some views in mysql but I don't quite remember their names. Is there a way to look them up as you would a table, i.e. (show tables;)?
This is a duplicate question with an answer
SHOW FULL TABLES IN database_name WHERE TABLE_TYPE LIKE 'VIEW';