Definition and types of relational database
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A RELATIONAL DATABASE IS A SET OF TABLES CONTAINING DATA FITTED INTO PRE-DEFINED CATEGORIES. EACH TABLE (which is sometimes called a relstion)CONTAINS ONE OR MORE DATA CATEGORIES IN COLOUMS. EACH ROW CONTAINS A UNIQUE INSTANCE OF DATA DEFINED BY THE CATEGORIES MODEL.
HISTORY
A RELATIONAL DATABASE IS A DIGITAL DATABASE BASED ON A RELATIONAL MODEL OF A DATA AS PROPOSED BY E.F. CODE IN 1970. VIRTUALLY ALL DATABASE SYSTEMS USE SQL(STRUCTURE QUERY LANGUAGE)FOR QUERYING AND MAINTAINING DATABASE.
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A RELATIONAL DATABASE IS A SET OF TABLES CONTAINING DATA FITTED INTO PRE-DEFINED CATEGORIES. EACH TABLE (which is sometimes called a relstion)CONTAINS ONE OR MORE DATA CATEGORIES IN COLOUMS. EACH ROW CONTAINS A UNIQUE INSTANCE OF DATA DEFINED BY THE CATEGORIES MODEL.
HISTORY
A RELATIONAL DATABASE IS A DIGITAL DATABASE BASED ON A RELATIONAL MODEL OF A DATA AS PROPOSED BY E.F. CODE IN 1970. VIRTUALLY ALL DATABASE SYSTEMS USE SQL(STRUCTURE QUERY LANGUAGE)FOR QUERYING AND MAINTAINING DATABASE.
☆HOPE
IT
HELPS
YOU
OUT☆
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