SQL is a domain-specific language used in programming and designed for managing data held in a relational database management system, or for stream processing in a relational data stream management system. In comparison to older read/write APIs like ISAM or VSAM, SQL offers two main advantages: first, it introduced the concept of accessing many records with one single command; and second, it eliminates the need to specify how to reach a record, e.g. with or without an index. Originally based upo
Definition of COSTIVE. 1. a: affected with constipation b: causing constipation. 2.
Diagnostic:- to identify strengths and weaknesses. Formative:- to provide feedback to students. Summative:- to estimate performance for the purpose of (formal) assessment at the end of a course or unit of study. In practice the types and functions of tests are not clear cut. For example, mid course/unit formative assessments are often used as an element within multiple summative assessments.