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How many levels can be viewed in Architecture of the database ? Architecture of the database can be viewed as three levels.
The primary key is selected from the
What are audit trails? An audit trail is a log of all alters to the database along with information like which user performed the change and when the alter was performed.
entity relationship diagram about finance
Explain the Exec statement in SQL Ans: Exec statement has the structure EXEC SQL END-EXEC Embeded SQl statements are of a form identical to non embedded SQL statem
Problem 1. Write the SQL queries using Data Manipulation Language (DML) statements. Insert values into student table with field names using insert command Display the
What is a virtual table that draws its data from the result of an SQL SELECT statement? View is a virtual table that draws its data from the result of an SQL SELECT statement.
Using Column aliases Example: To print column names as NAME and ANNUAL SALARY SELECT ENAME "NAME", SAL*12 "ANNUAL SALARY" FROM EMP;
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
Define Specialisation and generalization in brief? Specialisation / generalization: Generalization or Specialization represents the is a relationship set, an necessary element
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