Mysql
MySQL: How do I use distinct on a column, and yet still select all the columns?
This yields a syntax error: SELECT id, name, body, DISTINCT(sequence) FROM `contents` WHERE (`开发者_如何学运维contents`.section_id = 74)[详细]
2023-04-13 09:15 分类：问答Update multiple rows with different values in a single query - MySQL
I\'m new to MySQL. I\'m using this to update multiple rows with different values, in a single query: UPDATE categories[详细]
2023-04-13 09:15 分类：问答PHP and MySQL code syntax issue with script [closed]
It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably answered in its current form. For help clari[详细]
2023-04-13 09:14 分类：问答Insert statement with CodeIgniter -- so confused
I\'m doing well with CodeIgniter. I can do SELECT statements on my MySQL database with no problems at all. But, now I\'m trying to do an INSERT statement.[详细]
2023-04-13 09:10 分类：问答MySql Engine differences [duplicate]
This question already has answers here: Closed 11 years ago. Possible Duplicate: What is开发者_JS百科 InnoDB and MyISAM in MySQL?[详细]
2023-04-13 09:10 分类：问答How to update a field using alias in mysql?
I am having a table in mysql, and in that i am having two fields that is id and desc, now as desc is a mysql keyword, i am unable to update that field because mysql is giving syntax error, so i though[详细]
2023-04-13 09:09 分类：问答Unique IPs in a voting system
I\'m creating a voting system 开发者_StackOverflow社区for my PHP/MySQL website and I would like to make sure one user can only vote once. What would be a good way of doing this? So far I have thought[详细]
2023-04-13 09:06 分类：问答How to add duplicate rows using sql sum function
Few days ago, I came to a problem where I have to sum the value of some duplicate row in MySql & I\'ve tried some queries but they didn\'t work.[详细]
2023-04-13 08:59 分类：问答Query outputting more records than it should do
I have an SQL query wtih a lot of joins. The fact is that before the query had to join the StudentClass table and Class table, it outputted the correct amount of rows which should be 4 rows. But when[详细]
2023-04-13 08:46 分类：问答format .csv data created with fputcsv into Excel-like tables
is there a way that I can format data from a .csv file created with the php function fputcsv into Excel-like tabl开发者_开发百科es? Meaning, I don\'t want my data to be separated by commas, I want the[详细]
2023-04-13 08:40 分类：问答
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