The soil should not be soaking wet. 5. When the calendula seedlings are about 3 inches (7.62 cm) high, thin them so that the remaining plants are 8 to 12 inches (20.32 to 30.48 cm) apart. 6. Apply a thin layer of compost to the calendula plants in midsummer.
Home : Software Terms : Relational Database Definition. Relational Database. A relational database is a database model that stores data in tables. The vast majority of databases used in modern applications are relational, so the terms database and relational database are often used synonymously.
Basic features of SQL server. 1  A relational database is a set of tables containing data fitted into predefined categories. 2  Each table contains one or more data categories in columns. 3  Each row contains a unique instance of data for the categories defined by the columns.