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 bulk collections?

2 Answers  

---

how to get second highest salary in SQL(as/4000

29 Answers   iGate,

---

How much does sql cost?

0 Answers  

---

can i write pl/sql code in a package

2 Answers  

---

How well can multiple sessions access the same data simultaneously ?

1 Answers   Oracle,

---

---

Which one is faster ienumerable or iqueryable?

0 Answers  

---

What is the best sql course?

0 Answers  

---

Explain the difference between sql and mysql.

0 Answers  

---

What does over partition by mean in sql?

0 Answers  

---

Is sql database free?

0 Answers  

---

What is difference between mysql and postgresql?

0 Answers  

---

Why truncate is faster than delete?

0 Answers  

---