COMPUTER SCIENCE AND ENGINEERING
SQL
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True
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False
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Either A or B
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None of the above
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Detailed explanation-1: -A data store uses a relational database management system (RDBMS), working through JDBC, to store data as rows in a set of tables. This data is important when you are backing up or restoring a data store. The following table summarizes the purpose of each data store table.
Detailed explanation-2: -A record in a database is an object that can contain one or more values. Groups of records are then saved in a table; the table defines the data that each record may contain. In a given database, there are multiple tables, each containing multiple records. Think of the rows and columns of a typical spreadsheet.
Detailed explanation-3: -True or False : Yes, it’s correct. In generally DBMS, data is stored in the tables which contain the tuples or rows and columns.
Detailed explanation-4: -Relational databases are based on the relational model, an intuitive, straightforward way of representing data in tables. In a relational database, each row in the table is a record with a unique ID called the key.