可能对大部分人都没用。但或许有人需要。
What is a bind variable? Where is it used? Why is it used?
What is the syntax to add an index to a pl/sql table?
How are cursor variables better than regular cursors?
Since both procedures and functions can both return values, what's the difference?
Describe a mutating table.
What is a bind variable? Where is it used? Why is it used?
What is the syntax to add an index to a pl/sql table?
How are cursor variables better than regular cursors?
Since both procedures and functions can both return values, what's the difference?
Describe a mutating table.