It is rare to find an implemented database devoid of reference tables. Reference tables provide valid values for drop-down lists and in a slightly obtuse way, also allow for expression of a domain or ...

If normalized tables are a relational database’s foundation ... is that a foreign key field must be of the same data type as the primary key. Some systems allow one exception to this rule ...

Every column in a table has a name and data type. The data type tells Teradata how much physical storage to set aside for the column, as well as the form in which to store the data. Teradata data ...

Last month we looked at various types of database recovery ... It is the responsibility of the DBA to ensure that the data is backed up according to the recovery time objective outlined for each table ...