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How to use GROUP_CONCAT in a CONCAT in MySQL
If I have a table with the following data in MySQL:
7 Answers
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Grant execute permission for a user on all stored procedures in database?
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CREATE ROLE <abc>
GRANT EXECUTE TO <abc>
EDIT
This works in SQL Server 2005, I'm not sure about backward compatibility of this feature, I'm sure anything later than 2005 should be fine.
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Delete with Join in MySQL
... If you're making a better answer - at least you could make the SQL more readable. All the other SQL references in this question have capitalized keywords (except for one with 0 votes). I'm not sure why you reverted my edits.
– Yehosef
Apr 13 '15 a...
NoSql Crash Course/Tutorial [closed]
I've seen NoSQL pop up quite a bit on SO and I have a solid understanding of why you would use it (from here, Wikipedia, etc). This could be due to the lack of concrete and uniform definition of what it is (more of a paradigm than concrete implementation), but I'm struggling to wrap my head aroun...
Best way to store time (hh:mm) in a database
...ed to store some variant of days, hours and minutes; the Time data type in SQL Server only goes up to 23:59:59 so we couldn't use that. Inspired by your answer we decided to have three int columns for days: hours: mins for maximum flexibility. thanks!
– matao
J...
how to check and set max_allowed_packet mysql variable [duplicate]
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max_allowed_packet
is set in mysql config, not on php side
[mysqld]
max_allowed_packet=16M
You can see it's curent value in mysql like this:
SHOW VARIABLES LIKE 'max_allowed_packet';
You can try to change it like this, but it's unlikely this will wo...
拉里佩奇23条箴言帮你度过创业低谷 - 资讯 - 清泛网 - 专注C/C++及内核技术
...今天的下场估计就和博德斯书店一样了(博德斯书店在把它的销售业务都外包给亚马逊后很快就倒闭了).
拉里佩奇 箴言
Oracle “Partition By” Keyword
...xample of it in action, as well as why one would want to use it? I have a SQL query written by someone else and I'm trying to figure out what it does.
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java.sql.SQLException: Incorrect string value: '\xF0\x9F\x91\xBD\xF0\x9F…'
... and one will see squares if you are not using fonts that support them.
MySQL's utf8 only supports basic multilingual plane, and you need to use utf8mb4 instead:
For a supplementary character, utf8 cannot store the character at all,
while utf8mb4 requires four bytes to store it. Since utf8 ca...
Select count(*) from multiple tables
... @Stéphane: this happens when you try Oracle code on PostgreSQL. Lose the FROM dual.
– Quassnoi
Feb 3 '16 at 12:52
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