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MySQL: Quick breakdown of the types of joins [duplicate]

...oin type JOIN: Return rows when there is at least one match in both tables LEFT JOIN: Return all rows from the left table, even if there are no matches in the right table RIGHT JOIN: Return all rows from the right table, even if there are no matches in the left table FULL JOIN: Return r...
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SQL Server: SELECT only the rows with MAX(DATE)

I have a table of data (the db is MSSQL): 11 Answers 11 ...
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How to get database structure in MySQL via query

Is it possible to somehow get structure of MySQL database, or just some table with simple query? 10 Answers ...
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SELECT INTO a table variable in T-SQL

... a complex SELECT query, from which I would like to insert all rows into a table variable, but T-SQL doesn't allow it. 8 An...
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Assign multiple columns using := in data.table, by group

What is the best way to assign to multiple columns using data.table ? For example: 2 Answers ...
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Maximum length of a table name in MySQL

What is the maximum length of a table name in MySQL? 4 Answers 4 ...
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Setting table row height

...nly does now. anyway this is the solution I found to be best since the way table cells work is to expand to their content. so height in a td is effectively min-height, which in this case is actually what you want – Simon_Weaver Aug 3 '14 at 23:21 ...
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Migration: Cannot add foreign key constraint

I'm trying to create foreign keys in Laravel however when I migrate my table using artisan i am thrown the following error: ...
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How to re-create database for Entity Framework?

... new project and create a new mdf. The mdf does not have to match your old tables, because were going to delete it. So create or copy an old one to the correct folder. Open it in server explorer [double click the mdf from solution explorer] Delete it in server explorer Delete it from solution explor...
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URL Encoding using C#

...asy. As for Linux versus windows, there are some characters that are acceptable in Linux that are not in Windows, but I would not worry about that, as the folder name can be returned by decoding the Url string, using UrlDecode, so you can round trip the changes. ...