Which Character Manipulation Function Always Returns A Numerical Value

Choose two correct answers mark for review 1 points choose all correct answers column row. Which of the following are types of sql functions. Which character manipulation function always returns a numerical value.

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Mark for review 1 points concat substr lower.

Which character manipulation function always returns a numerical value. The oracle length function is used to return the length of a given string. Mark for review 1 points substr lpad trim length you query the database with this sql statement. Length substr. Which character manipulation function always returns a numerical value.

Select lower substr concat last name first name 1 5 id from employee. Mark for review 1 points sql sql sql sql correct correct 4. Mark for review 1 points. Select rpad sql 6.

Mark for review 1 points. Which character manipulation function always returns a numerical value. Mark for review 1 points trim lpad length substr correct correct 3. Identify the output from the following sql statement.

Every ctype function returns an int value. These functions require one or more input arguments and operate on each row thereby returning one output value for each row. These functions convert to upper and to lower case respectively and return the char values fixed length if the strings they are called on to convert are fixed length. If no such substring is found then the function returns zero.

Howt to test characters the ctype functions come in most handy when testing input determining that the proper information was typed or pulling required information out of junk. In which order are the functions evaluated. If a substring that is equal to substring is found then the function returns an integer indicating the position of the first character of this substring. For the functions that return logical true or false values false is 0 and true is a non zero value.

Identify the output from the following sql statement. Which character manipulation function always returns a numerical value. Select rpad sql 6 from dual. Single row functions can be character functions numeric functions date functions and conversion functions.

Section 4 quiz answer all questions in this section 1. Note that these functions are used to manipulate data items. Character functions accept character arguments and only return character values. When a character function returns a character value that value is always of type varchar2 variable length with the following two exceptions.

Mark for review 1 points trim substr length lpad correct correct 2.