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In which form of relational database developer refers to a record? In a tuple form of relational database developer refers to a record.
How to draw an ER diagram to a finance companz
explain participation constraints with examples
It is mandatory that for every table in the LDB hierarchy there should exist one GET statement in the report. False. It is not essential.
Security And Integrity After Reading the concepts of database recovery in the last section, let us now deal with a vital concept that helps in minimizing consistency errors in
#question.what is mapping constraints and types?.
Sub query in the UPDATE command : Example : //Double the commission for employees, who have got at least 2 increments. UPDATE EMP SET COMM = COMM * 2 WHERE
Draw and explain the three level architecture of the database system? A DBMS gives three levels of data is said to follow three-level architecture. The trget of the three-schem
Process of implementing system design in dynamic models There are three essential approaches to implementing system design in dynamic models. These approaches are as below:
Data Definition Language It organises the data in the form of columns and rows. But what does the data field column of table accumulate? How do you describe it using SQL? Th
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