CAST and CONVERT (Transact-SQL)
MySQL AB :: MySQL 5.0 Reference Manual :: 13 SQL Statement Syntax
SQL Tutorial
Reference / manual for the XmlHttpRequest object
ConnectionStrings.com - Forgot that connection string? You will find it right here!
All connection strings in one place. Find the syntax for your database connection using ADO.NET, ADO, ODBC, OLEDB, C#, VB, VB.NET, ASP.NET and more.
Joomla! Help Site - database class
Duplicate a MySQL Database
MySQL :: MySQL 5.1 Reference Manual :: 11 Functions and Operators
Oracle Data Dictionary
Viste DBA e V$ in Oracle
Oracle Database 12c: INTERACTIVE QUICK REFERENCE
Database 12c: INTERACTIVE QUICK REFERENCE
Database Documentation - Oracle Database
SQL SERVER - Find the Size of Database File - Find the Size of Log File - SQL Authority with Pinal Dave
"SELECT DB_NAME(database_id) AS DatabaseName, Name AS Logical_Name, Physical_Name, (size*8)/1024 SizeMB FROM sys.master_files WHERE DB_NAME(database_id) = 'AdventureWorks'"
How to migrate a SQL Server database to a lower version
In this tip we take a look at one approach to downgrade a SQL Server database to a lower version of SQL Server since a simple backup and restore will not work.