Tutorial by Topics: database

Specialized packages RMySQL RODBC

There are many reasons a read or write operation may fail. A frequent one is because your security rules reject the operation, for example because you're not authenticated (by default a database can only be accessed by an authenticated user) or because you're writing/listening at a location where yo...

ParameterDetailscompletionHandlerA block that has no return value and takes the following parameters:accountStatusThe status of the current user’s iCloud account.errorAn error object or nil if the status is determined successfully. Use the information in the error object to determine whether the pr...

BACKUP DATABASE database TO backup_device [ ,...n ] WITH with_options [ ,...o ] RESTORE DATABASE database FROM backup_device [ ,...n ] WITH with_options [ ,...o ] ParameterDetailsdatabaseThe name of the database to backup or restorebackup_deviceThe device to backup or restore the database f...

ColumnColumn$driverDriver for DB, "Pg" for Postgresql and "mysql" for MySQL$databaseyour database name$useridyour database id$passwordyour database password$queryput your query here, ex: "select * from $your_table"

Create your own api with Microsoft SQL database and implemente them in Xamarin forms application.

Basic Syntax: {GRANT| REVOKE | DENY} {PERMISSION_NAME} [ON {SECURABLE}] TO {PRINCIPAL}; {GRANT| REVOKE | DENY} - What you're trying to accomplish Grant: "Give this permission to the stated principal" Revoke: "Take this permission away from the stated principal" Deny:...

SQL Server includes a feature called delayed naming which means that in many cases you can deploy procedure and code that references objects that do not exist. It is also possible to drop or alter an object in such a way that any pieces of referencing code no longer run when called. When you get ...