Special Interview Questions about use of SQL In Oracle:
These sql in oracle interview questions or oracle job practice test questions have been asked in various tech interviews and written exams.
Is it possible to assign the default value to actual parameters?
How can we display the number value in words?
State the difference between Truncate and Delete
List the different joins available for writing subqueries.
Describe the various procedures and functions used with the URL_FILE.
What do you mean by Cursor?
How will you find the nth highest value from a table?
Name the various cursor attributes.
Explain the variuos oracle database objects.
List the various points of difference between database triggers and form triggers.
Which is a quicker method – In or Exists?
Explain the points of difference between SQL and SQL*PLUS.
What is the method of removing duplicate rows from a base table?
What are the different rights that a user can provide to another user?
Describe the various differences between procedure and function.
Describe the difference between NO DATA FOUND and %NOTFOUND
Method to determine the number of rows in a table.
How will you find odd/even number of records?
Various modes of parameters existing in functions and procedures. Can there be multiple columsns in a primary key?
Explain the difference between UNIQUE and PRIMARY KEY constraints.
Explain the difference between an acutal and formal parameter.
What do you understand by a OUTER JOIN.
Explain the points of difference between formal and actual parameters.
Explain the method of finding the number of rows in a table.
How do you show the odd or even number of records?
Which query can be used to find a % sign existing in a field fo a column.
Is it possible to store cursor variables in PL/SQL tables?
What are the uses of clusters?
List the various constraints existing in SQL.
What do you understand by Oracle Precompilers?
Which return type is used for the cursor variable? Does a scalar data type serve the purpose of return type?
Explain the various types of modes of parameters which are utilized in procedures and functions.
What do you understand by Outer join?Can a database trigger have a commit statement?
There are more such SQL In Oracle Interview Questions.
Explain the difference between SUBSTR and INSTR.
What do you understand by a view?
Explain the various differences between primary key and foreign key.
What is the function of OCI?
Which operations are used to drop a function or procedure?
Can OUT parameters exist in a function?How will you show the records between two range?
Explain the pseudo column along with a suitable example.
Describe the method to open and close a cursor variable.
What is the use of DBMS_OUTPUT.ENABLE function?
What do you mean by OCI?
What is the use of WHERE CURRENT OF Clause in case of a cursor?
What is the use of SELECT FOR UPDATE cursor?
Explain the difference between an implicit and explicit cursor.
How do you ensure that no duplicate records are there in a query?
What is the use of Having Clause?What is the use of maxvalue.sql.
What is the use of minvalue.sql
Explain the points of difference between Rename and Alias.
What is the purpose of Where Clause?