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This graphic is explained in the accompanying text Converting Values Locate the document in its SAP Library structure

For different application cases, you may need to change how values are represented because the operator used can deal only with a specific representation of values.

The following functions are available for this purpose: CHR(a,n), NUM(a), UPPER/LOWER(x), ASCII(x), MAPCHAR(x,n,i), ALPHA(x,n), HEX(a), CHAR(a,t), SOUNDEX(x), VALUE(x,y,...), and DECODE(x,y(i),...,z)

 

SELECT * FROM hotel
  WHERE CHR(hno) LIKE '1__'

Displaying the hotel entries whose numbers contain three digits and begin with 1. The hotel number is converted to character values for this purpose.

Result

HNO

NAME

ZIP

ADDRESS

100

Beach

32018

1980 34th St.

110

Atlantik

33441

111 78th Str.

120

Long Beach

90804

35 Broadway

130

Star

90029

13 Beechwood Place

140

River Boat

70112

788 MAIN STREET

150

Indian Horse

92262

16 MAIN STREET

 

SELECT * FROM hotel
WHERE UPPER(name) = 'STAR'

Displaying the hotel name (case insensitive)

Result

HNO

NAME

ZIP

ADDRESS

130

Star

90029

13 Beechwood Place

 

SELECT VALUE(firstname, 'Company') firstname, name
  FROM customer
    WHERE firstname IS NULL

Displaying the company name; the NULL value is to be replaced by the name Company

Result

FIRSTNAME

NAME

Company

Datasoft

Company

Toolware

 

SELECT hno, price, DECODE(type, 'single', 1, 'double', 2, 'suite', 3) code
  FROM room
    WHERE hno < 60

Displaying the hotel rooms with another name for the room types

Result

HNO

PRICE

CODE

10

200

2

10

135

1

20

100

2

20

70

1

30

80

2

30

45

1

40

140

2

40

85

1

50

180

2

50

105

1

50

500

3

 

 

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