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MySQL Cannot drop index needed in a foreign key constraint
...column. I'm trying to remove the current index but keep getting the error MySQL Cannot drop index needed in a foreign key constraint
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MySQL stored procedure vs function, which would I use when?
I'm looking at MySQL stored procedures and function. What is the real difference?
5 Answers
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mysql command for showing current configuration variables
Can not find a command that displays the current configuration of mysql from within the database.
3 Answers
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You can't specify target table for update in FROM clause
I have a simple mysql table:
11 Answers
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MySQL Select Query - Get only first 10 characters of a value
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Using the below line
SELECT LEFT(subject , 10) FROM tbl
MySQL Doc.
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Reorder / reset auto increment primary key
I have a MySQL table with an auto increment primary key. I deleted some rows in the middle of the table. Now I have, for example, something like this in the ID column: 12, 13, 14, 19, 20. I deleted the 15, 16, 17 and 18 rows.
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Drop multiple tables in one shot in mysql
...m in the correct order, nor whether they actually exist.
N.B. this is for MySQL only (as in the question). Other databases likely have different methods for doing this.
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What is a proper naming convention for MySQL FKs?
Being that they must be unique, what should I name FK's in a MySQL DB?
4 Answers
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Datetime equal or greater than today in MySQL
...Date) = DATE(NOW())
Read more:
http://www.tomjepson.co.uk/tutorials/36/mysql-select-where-date-today.html
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MySQL: Selecting multiple fields into multiple variables in a stored procedure
...T multiple columns into multiple variables within the same select query in MySQL?
3 Answers
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