Answer / rajesh

To establish a parent child relationship between two tables
and to prevent invalid data entry into the table , we make
set of rules on a column is called Referential integrity.

Answer / mallikarjuna.anumala

A rule defined on a column (or set of columns) in one table
that allows the insert or update of a row only if the value
for the column or set of columns (the dependent value)
matches a value in a column of a related table (the
referenced value). It also specifies the type of data
manipulation allowed on referenced data and the action to
be performed on dependent data as a result of any action on
referenced data.

Answer / pravin kadam

A rule defined on a column (or set of columns) in one table
that allows the insert or update of a row only if the value
for the column or set of columns (the dependent value)
matches a value in a column of a related table (the
referenced value). It also specifies the type of data
manipulation allowed on referenced data and the action to
be performed on dependent data as a result of any action on
referenced data.

What is the difference between jpql and sql?

0 Answers  

---

What is difference between table and view?

0 Answers  

---

What is sap sql?

0 Answers  

---

Is sql easier than java?

0 Answers  

---

i declare 4 procedure in package specification but in package body i write only 3 procedure. is it complie??//w

4 Answers   Scope International,

---

Is sql database free?

0 Answers  

---

What is the difference between delete and truncate commands?

0 Answers  

---

What is the difference between left outer join and left join?

0 Answers  

---

What are the advantages of VIEW?

5 Answers  

---

What is procedure function?

0 Answers  

---

What is the advantage of index in sql?

0 Answers  

---

What are schema-level triggers?

0 Answers  

---