Explain the term 'primary key' related to relational database management system?

983

you want to be sure that queries in a database always execute at the maximum possible speed. To achieve this goal you have created various indexes on tables which other statement will keep the database in good condition? : Sql server administration

1004

What is the difference between nmos and pmos technologies?

1060

Define about page-remove method?

511

Explain the various methods of representing discrete time signal

833

What is gii in yii 2.0 and why it is used?

3

What is the single responsibility principle?

966

Is empty string python?

791

How can we show that a scope variable should have one-time binding only?

707

How does nifi support huge volume of payload in a dataflow?

5

what opcode could be used to test an alphanumeric field for all numeric values?

1694

How we can use transition effect in css3?

586

How to make any others pages to front page in wordpress?

159

What is the use of Struts.xml configuration file?

885

Explain the difference between and xml documentation tag?

845