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Remove duplicate rows in MySQL
I have a table with the following fields:
25 Answers
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Create table (structure) from existing table
How to create new table which structure should be same as another table
15 Answers
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Possible to do a MySQL foreign key to one of two possible tables?
Well here's my problem I have three tables; regions, countries, states. Countries can be inside of regions, states can be inside of regions. Regions are the top of the food chain.
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What is the best way to auto-generate INSERT statements for a SQL Server table?
...e added that data by using MS Access to dump excel files into the relevant tables.
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Naming of ID columns in database tables
I was wondering peoples opinions on the naming of ID columns in database tables.
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Form inside a table
I'm including some forms inside a HTML table to add new rows and update current rows. The problem that I'm getting is that when I inspect the forms in my dev tools, I see that the form elements are closed immediately after opening (inputs, etc are not included within the form).
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Easiest way to copy a table from one database to another?
What is the best method to copy the data from a table in one database to a table in another database when the databases are under different users?
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Disable all table constraints in Oracle
How can I disable all table constrains in Oracle with a single command?
This can be either for a single table, a list of tables, or for all tables.
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ALTER TABLE without locking the table?
When doing an ALTER TABLE statement in MySQL, the whole table is read-locked (allowing concurrent reads, but prohibiting concurrent writes) for the duration of the statement. If it's a big table, INSERT or UPDATE statements could be blocked for a looooong time. Is there a way to do a "hot alter", li...
How can you determine how much disk space a particular MySQL table is taking up?
Is there a quick way to determine how much disk space a particular MySQL table is taking up? The table may be MyISAM or Innodb.
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