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Get table names using SELECT statement in MySQL
In MySQL, I know I can list the tables in a database with:
12 Answers
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MySQL: Insert record if not exists in table
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if you need to get warning message you can afterwards do mysql> show warnings\G
– fiorentinoing
Oct 20 '16 at 18:59
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How to 'insert if not exists' in MySQL?
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use INSERT IGNORE INTO table
see http://bogdan.org.ua/2007/10/18/mysql-insert-if-not-exists-syntax.html
there's also INSERT … ON DUPLICATE KEY UPDATE syntax, you can find explanations on dev.mysql.com
Post from bogdan.org.ua according to Google's webcache:
18th October 2007
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Is there a simple way to convert C++ enum to string?
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I love this solution. It would be clearer if SOME_UNION and MAKE_UNION were called SOME_ENUM and MAKE_ENUM, though.
– Bruno Martinez
Jan 8 '13 at 14:26
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mysql: see all open connections to a given database?
With administrative permissions im mysql, how can I see all the open connections to a specific db in my server?
8 Answers
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How to create relationships in MySQL
... to do what the rest of the class is doing, but with raw SQL commands with MySQL instead of using Access.
8 Answers
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Set value to NULL in MySQL
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You're probably quoting 'NULL'. NULL is a reserved word in MySQL, and can be inserted/updated without quotes:
INSERT INTO user (name, something_optional) VALUES ("Joe", NULL);
UPDATE user SET something_optional = NULL;
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How to find Unused Amazon EC2 Security groups
... from complete. So I decided to write my own script. I used the AWS CLI, MySQL and some “Bash-foo” to perform the following:
Get a list of all EC2 security groups.
I store the group-id, group-name and description in a tabled called “groups” in a MySQL database called aws_security_groups ...
Get Insert Statement for existing row in MySQL
Using MySQL I can run the query:
15 Answers
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Which ORM should I use for Node.js and MySQL? [closed]
I'm rewriting a project to use Node.js. I'd like to keep using MySQL as the DB (even though I don't mind rewriting the schema).
I'm looking for a simple-to-use, reasonable-performance ORM, which supports caching, many-to-one and many-to-many relations.
From the MySQL ORMs I could find, persistencej...