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.
Relational databases use tables to store information. The standard fields and records are represented as columns (fields) and rows (records) in a table. With a relational database, you can quickly compare information because of the arrangement of data in columns.The relational database model takes advantage of this uniformity to build completely new tables out of required information from existing tables.elational databases are created using a special computer language, structured query language (SQL) , that is the standard for database interoperability.