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Specifying column name in a “references” migration
I want to make a migration in Rails, referencing another table. Usually, I would do something like:
6 Answers
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SQLite Reset Primary Key Field
I have a few tables in SQLite and I am trying to figure out how to reset the auto-incremented database field.
4 Answers
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How to deal with SQL column names that look like SQL keywords?
...ause I didn't make it.
Am I allowed to do something like SELECT from FROM TableName or is there a special syntax to avoid the SQL Server being confused?
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How do I update a Linq to SQL dbml file?
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There are three ways to keep the model in sync.
Delete the modified tables from the designer, and drag them back onto the designer surface from the Database Explorer. I have found that, for this to work reliably, you have to:
a. Refresh the database schema in the Database Explorer (right-c...
How can I position my div at the bottom of its container?
... if the window is too short, what do you do?
Swallow your pride and use a table.
For example:
* {
padding: 0;
margin: 0;
}
html, body {
height: 100%;
}
#container {
height: 100%;
border-collapse: collapse;
}
<!DOCTYPE html>
<html>
<body>
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Retrieve the maximum length of a VARCHAR column in SQL Server
I want to find the longest VARCHAR in a specific column of a SQL Server table.
10 Answers
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What database does Google use?
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Bigtable
A Distributed Storage System for Structured Data
Bigtable is a distributed storage
system (built by Google) for managing structured data
that is designed to scale to a very
large size: petabytes of data acros...
How to change the default collation of a table?
creates a table with the default collation latin1_general_ci ;
4 Answers
4
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How to list all the available keyspaces in Cassandra?
...nt to do this outside of the cqlsh tool you can query the schema_keyspaces table in the system keyspace. There's also a table called schema_columnfamilies which contains information about all tables.
The DESCRIBE and SHOW commands only work in cqlsh and cassandra-cli.
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MySQL - why not index every field?
...n called), so it could potentially slow read operations as well (for large tables).
Check this out
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