What is foreign key sql?


No Answer is Posted For this Question
Be the First to Post Answer

Post New Answer

More SQL PLSQL Interview Questions

Which one of the following is a reason that an INSERT statement might cause an error instead of executing correctly? 1. The INSERT statement was attempting to insert a record into a view that was created from more than one table. 2. The INSERT statement was attempting to insert a record using a combination of constants and values from an existing table. 3. The INSERT statement was attempting to insert a record with a non-NULL value into a table that has that column defined as NULL. 4. The INSERT statement was attempting to insert a record into a table by selecting a record from that same table. 5. The INSERT statement was attempting to insert a record into a view rather than a table.

1 Answers   Sonata,


How can you fetch first 5 characters of the string?

0 Answers  


Q1.all the depts which has more then 10 empls? Q2.all the dept which does not have any emply? Q3 all the emp which does not have any dept? Q4 get all the emply detais with the dept details it dept is exit otherwise any emp details? Q5 how to debugg the dynamic sql and packages?

4 Answers   KPIT,


write a query to find 4th max salary

7 Answers  


Write the sql query using dual table for below output? 1 L R --- --- ---- 1 1 1 1 2 1 1 3 1 1 1 2 1 2 2 1 3 2 1 1 3 1 2 3 1 3 3 Write a query using only Dual table with out writing any pl/sql program.

3 Answers   JPMorgan Chase,






Can you alter start with clause?

1 Answers   TCS,


what is the difference between truncate and delete statement? : Transact sql

0 Answers  


How global cursor can be declare with dynamic trigger ?

0 Answers  


What does the file extension accdb stand for?

0 Answers  


What is pl/sql table? Why it is used?

0 Answers  


What is cursor explain with example?

0 Answers  


how to install mysql? : Sql dba

0 Answers  


Categories