What is the difference between a local and a global variable?
Answer Posted / rattana
global variable can be accessed by all functions. local variable is isolated in its function.It is initialized at the beginning of the program and deleted when the program closed.
| Is This Answer Correct ? | 31 Yes | 10 No |
Post New Answer View All Answers
Explain what is lock escalation and what is its purpose?
What is clustered primary key?
Explain the working of sql privileges?
What is raid and what are different types of raid levels?
How to list all columns in a table using odbc_columns()?
What is temporal data type?
Do you know sql server 2008 introduces automatic auditing?
Do you know what is a with(nolock)?
Write a SQL query in order to merge two different columns into single column?
How to trouble shoot if unable to connect SQL Server
How can we remove orphan records from a table?
Can we write ddl in trigger?
What is join and name different type of joins?
how will add additional conditions in sql?
What is catalog views?