TAW_10_1 chapter 9, basic ABAP language elements

Question 1

What is the difference between a data type and a data object?

Answer 1

A data object is the implementation of a data type.
Example,
DATA: my_data type werks_d
Where my_data is the data object and werks_d is the data type

Question 2

What are the two types of ABAP data types?

Answer 2

Complete and incomplete.

Complete include the type and length

Question 3

There are 9 complete data types. What are they?

Answer 3

T - Time
D - Date
I - Integer
I8 - Integer 8
DECFLOAT16 - Floating decimal 16
DECFLOAT34 - Floating decimal 34
STRING - String
XSTRING - Hex string
F - Float

Question 4

What are the SAP incomplete data types?

Answer 4

C
N
P
X

Question 5

What are the three categories of data types

Answer 5

Built in
Global
Local

Question 6

What does the clear statement do?

Answer 6

Reset the variable to it’s initial (default) value

Question 7

What does the FREE statement do?

Answer 7

Clears the internal table and frees the memory being used

Question 8

In what sequence are mathematical operators processed?

Answer 8

From left to right
Inside Parentheses
Functions
Exponents
Multiplication and division
Addition and Subtraction

Question 9

How are exponents defined in ABAP?

Answer 9

**

Question 10

What are the 7 arithmetic operators?

Answer 10

\+
-
/
*
**
MOD
DIV

Question 11

Give an example of using an “IF” statement with a predefined function

Answer 11

If ABS( my_val ) gt 3.
…
endif.

Question 12

What is returned from predicate functions?

Answer 12

Boolean result

Question 13

What are the four loop types of ABAP

Answer 13

DO
WHILE
SELECT
LOOP

Question 14

How do I exit from any of the four loops other than the end of the condition?

Answer 14

EXIT

Question 15

Within a loop, the loop pass contained

Answer 15

Do loop - sy-index
While loop - sy-index
Select - sy-dbcnt
Loop - sy-tabix

Question 16

What supplied program gives a demo of message types?

Answer 16

DEMO_MESSAGES