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This page contains the most recently asked technical questions and answers in the 3ina cosmetics.
All of the questions listed below were collected by students recently placed at 3ina cosmetics.
Ques:- The default return data type of a function, if no data type is explicitly mentioned is
A. double
B. float
C. char
D. int
Ques:- What is cold backup? What are the elements of it?
Ques:- What are the different file extensions that are created by oracle reports?
Ques:- Who among the following began to examine unethical and illegal uses of computers by computer professionals in mid 1960s Menlo Park, California?
A. Charles Babbage
B. Bill Gates
C. Norbert Wiener
D. Donn Parker
Ques:- How to get current url in cakephp?
Ques:- What is Cohort analysis?
Ques:- How to give Table check points?
Ques:- how do u connect one report with another ?
Ques:- Which of the following is not electromagnetic in nature?
A. UV rays
B. Alpha rays
C. Gamma rays
D. Infrared rays
Ques:- Narsimham Committee recommended to make banking structure of the country
A. 2 tier
B. 3 tier
C. 4 tier
D. 5 tier
Ques:- What is Defect Rejection Ratio (DRR) and Defect Leackage Ratio (DLR)?
Ques:- How to join two table and write the query?
Ques:- What is the difference between WLAN,LAN,WAN,MAN.
Ques:- Will precompile of an DB2-COBOL program bomb, if DB2 is down?
Ques:- Difference between mysql_connect and mysql_pconnect?
Ques:- POPULATE_GROUP(function)POPULATE_GROUP_WITH_QUERY(function)SET_GROUP_CHAR_CELL(procedure)SET_GROUP_DATE_CELL(procedure)SET_GROUP_NUMBER_CELL(procedure)
Ques:- Does constructor return any value?
Ques:- How to do Laod testing for web based Application?
Ques:- Tell me about a time when old solutions didn’t work?
Ques:- In VVVF DRIVES VOLTAGE IS ALSO VARY WITH THE FREQUENCY. HOW? WHAT IS THE DIRECT FORMULA RELATING THESE TWO.
mysql_connect() and mysql_pconnect() both are working for database connection but with little difference. In mysql_pconnect(), ‘p’ stands for persistance connection.
When we are using mysql_connect() function, every time it is opening and closing the database connection, depending on the request .
But in case of mysql_pconnect() function,
First, when connecting, the function would try to find a (persistent) connection that’s already open with the same host, username and password. If one is found, an identifier for it will be returned instead of opening a new connection.
Second, the connection to the SQL server will not be closed when the execution of the script ends. Instead, the connection will remain open for future use (mysql_close() will not close connection established by mysql_pconnect()).
mysql_pconncet() is useful when you have a lot of traffice on your site. At that time for every request it will not open a connection but will take it from the pool. This will increase the efficiency of your site. But for general use mysql_connect() is best.
mysql_pconnect() is deprecated as of PHP 5.5.0, and will be removed in the future because it has several disadvantage.