Question

Fill in the blanks:
1. A __________ is an organized collection of data.
2. A ________________ is a software package that can be used for creating
and managing databases.
3. A ____________ is a database management system that is based on the
relational model.
4. Three popular DBMS software are ________, ________, & _______.
5. A ____________is a unique value that identifies a row
in a table.
6. Composite Key is a combination of ________ columns.

Answer 1

Answer:

1. database

2. database software

3. RDBMS

4. MySQL ,Microsoft Access ,Oracle.

5. Primary key

6. two or more

Answer 2

1A) Database

• A database is a prepared series of dependent information, or records, usually stored electronically in a pc system.

2A) Database Management System (DBMS)

• The database control machine (DBMS) is the software program that interacts with end-users, applications, and the database itself to seize and examine records.

3A) relational database management system (RDBMS)

• A relational database is a virtual database primarily based totally on the relational model of statistics, as proposed by E. F. Codd in 1970. A machine used to hold relational databases is a relational database control machine (RDBMS).

4A) MySQL, Microsoft Access, Oracle

• MySQL and Microsoft SQL servers rounded out the pinnacle three.

5A) Candidate key

• A candidate key uniquely identifies every row of record values in a database table. A candidate key contains a single column or a fixed of columns in a single database table.

6A)  two or more

• The composite key's a set of extra columns that distinguish the rows uniquely.

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