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HCL SQL PLSQL Interview Questions
Questions Answers Views Company eMail

what is meant by DML?

5 9083

Which one of the following pairs of aggregate functions do you use with character fields? 1. COUNT(field) and MAX(field) 2. AVG(field) and COUNT(field) 3. MIN(field) and SUM(field) 4. AVG(field) and MAX(field) 5. COUNT(field) and SUM(field)

6 12247

Which clause of an UPDATE statement allows you to affect only certain rows of a table? 1. The WHERE clause 2. The SET clause 3. The ROWS AFFECTED clause 4. The ORDER BY clause

6 10205

If you want a column to be part of the result set, after which SQL keyword does it belong? 1. SELECT 2. FROM 3. WHERE 4. GROUP BY 5. HAVING

10 15224

Types of locks in database ?

8 72160





What is normalization ?

9 17221

What is the use of cursor ? how cursor allocate context area for executing the sql statement?

4 13214

Can a table have two primary keys?

44 75693

what is the boundary line in varrays?

1 6440

When we give SELECT * FROM EMP; How does oracle respond?

24 43171

Write one update command to update seqno field of a table on the basis of row number.

4 14400

what is indexing, searching and user interface?

1 3868

what are the differences among these table level lock modes - IN SHARE MODE, IN SHARE UPDATE MODE, IN EXCLUSIVE MODE ?

3 9013

i want to display 1 to 10 numbers using one select statement.

18 35076

what is the difference between varray and table data type..please expalain with some examples... under what situation you will go for varray..instead of index by table...

1 2837

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HCL SQL PLSQL Interview Questions


Un-Answered Questions

Explain the advantages and disadvantages of a hierarchical database?

291


How to add a new property in existing function javascript?

233


What are basic data types?

257


How do I enable registry editing?

203


a perceptron has two inputs x1,x2 wih weights w1,w2and bias weight of w0. the activation function of perceptron is h(x).the output of perceptron

753






What is web storage api?

206


What are alternatives to windows?

208


Do you know any other continuous integration tools?

1


How do hexadecimal color codes differ from rgb values?

89


Can an application be started on power up in Android?

273


What are the most common errors you've found in embedded systems?

233


How do I stop search in visual studio?

216


Does user can create insert their own custom logo, while creating their own custom applications?

47


How do you wrap text in word 2019?

148


Which is better html or html5?

219