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How to get current date & time in MySQL?
...ment:
Core i3 Windows Laptop with 4GB RAM, and I did the above example on MySQL Workbench 6.2 (Version 6.2.5.0 Build 397 64 Bits)
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How to run SQL script in MySQL?
I want to execute a text file containing SQL queries, in MySQL.
17 Answers
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MySQL: selecting rows where a column is null
...E userid = NULL;
This will not give you the expected result, because from mysql doc
In SQL, the NULL value is never true in comparison to any other value, even NULL. An expression that contains NULL always produces a NULL value unless otherwise indicated in the documentation for the operators and ...
Deleting rows with MySQL LEFT JOIN
...R `status` = 'storno');
I am not sure if that kind of sub query works in MySQL, but try it. I am assuming you have an ID column in your deadline table.
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Choosing a stand-alone full-text search server: Sphinx or SOLR? [closed]
... Lucene committers.
Sphinx integrates more tightly with RDBMSs, especially MySQL.
Solr can be integrated with Hadoop to build distributed applications
Solr can be integrated with Nutch to quickly build a fully-fledged web search engine with crawler.
Solr can index proprietary formats like Microsoft ...
MySQL: Sort GROUP_CONCAT values
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Sure, see http://dev.mysql.com/doc/refman/...tions.html#function_group-concat:
SELECT student_name,
GROUP_CONCAT(DISTINCT test_score ORDER BY test_score DESC SEPARATOR ' ')
FROM student
GROUP BY student_name;
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In MySQL, how to copy the content of one table to another table within the same database?
I am new to MySQL. I would like to copy the content of one table to another table within the same database. Basically, I would like to insert to a table from another table. Is there easy way of doing this?
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Rename a table in MySQL
Renaming a table is not working in MySQL
16 Answers
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UTF-8 all the way through
...character set on all tables and text columns in your database. This makes MySQL physically store and retrieve values encoded natively in UTF-8. Note that MySQL will implicitly use utf8mb4 encoding if a utf8mb4_* collation is specified (without any explicit character set).
In older versions of MyS...
MySQL vs MySQLi when using PHP [closed]
Which is better, MySQL or MySQLi? And why? Which should I use?
6 Answers
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