Staffsite STMIK PPKIA Pradnya Paramita DP_19_1
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• Pengolahan data adalah suatu proses menerim data sebagai masukan (input), memproses (processing) menggunakan program tertentu, dan mengeluarkan hasil proses data tersebut
SUATU DATA BASE MANAGEMENT SYSTEM (DBMS) TERDIRI DARI SEKUMPULAN DATA YANG SALING BERHUBUNGAN DAN SUATU HIMPUNAN PROGRAM YANG MELAKUKAN AKSES TERHADAP DATA
• An entity relationship diagram (ERD) is a consistent tool that can be used to represent the data requirements of a business regardless of the type of database that is used, and
correct: COUNTRY visited by TRAVELER correct: LANDMARK seen by TRAVELER. incorrect: TRAVELER visited
• The relationship between JEWELRY PIECE and MOVIE STAR should be revised to a M:M, which is then resolved with an intersection entity RENTAL HISTORY. • Next we need to determine
– Columns: Each table gets a column for all attributes of the entity it is based on, with the original optionality. • Identifiers: The primary UID of the supertype level
• In SQL, the concatenation operator can link columns to other columns, arithmetic expressions, or constant values to create a character expression.. • The concatenation operator
Bila dua atau lebih data mengalir dari suatu sumber yang sama ke tujuan yang sama, maka harus dianggap sebagai suatu arus data tunggal. Konsep arus data menyebar (diverging
