MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -A string is generally considered as a data type and is often implemented as an array data structure of bytes (or words) that stores a sequence of elements, typically characters, using some character encoding. String may also denote more general arrays or other sequence (or list) data types and structures.

Detailed explanation-2: -Character strings are the most commonly used data types. They can hold any sequence of letters, digits, punctuation, and other valid characters. Typical character strings are names, descriptions, and mailing addresses.

Detailed explanation-3: -The string data types are CHAR, VARCHAR, BINARY, VARBINARY, BLOB, TEXT, ENUM, and SET .

Detailed explanation-4: -A string data type is traditionally a sequence of characters, either as a literal constant or as some kind of variable. The latter may allow its elements to be mutated and the length changed, or it may be fixed (after creation).

Detailed explanation-5: -The CHAR data type stores any string of letters, numbers, and symbols. It can store single-byte and multibyte characters, based on the database locale. The CHARACTER data type is a synonym for CHAR.