3.5" Floppy Disk

DVD-R Disk

DVD+R Disk

DVD-RW Disk

DVD+RW Disk

Red Ink Marker

Green Ink Marker

Blue Ink Marker

Milk 3 lt.

11 Rows selected.

SQL>

SQL> -- использование оператора LIKE для выборки по символьным шаблонам

SQL> SELECT name, price FROM product WHERE name LIKE 'CD%';

NAME PRICE

------------------------- ----------

CD-RW Disk 20

CD-R Disk 15

SQL> SELECT name, price FROM product WHERE name LIKE '%Disk';

NAME PRICE

------------------------- ----------

CD-RW Disk 20

CD-R Disk 15

3.5" Floppy Disk 10

DVD-R Disk 80

DVD+R Disk 80

DVD-RW Disk 300

DVD+RW Disk 300

7 rows selected.

SQL> SELECT name, price FROM product WHERE name LIKE '%-RW%';

NAME PRICE

------------------------- ----------

CD-RW Disk 20

DVD-RW Disk 300

SQL> SELECT name, price FROM product WHERE name LIKE 'Milk%lt.';

NAME PRICE

------------------------- ----------

Milk 1 lt. 20

Milk 3 lt. 60

Milk 3 lt. 65

SQL> SELECT name, price FROM product WHERE name LIKE 'Milk _ lt.';

NAME PRICE

------------------------- ----------

Milk 1 lt. 20

Milk 3 lt. 60

Milk 3 lt. 65

SQL> SELECT name, price FROM product WHERE name LIKE 'DVD_R Disk';

NAME PRICE

------------------------- ----------

DVD-R Disk 80

DVD+R Disk 80

SQL> SELECT name, price FROM product WHERE name LIKE 'DVD_R%';

NAME PRICE

------------------------- ----------

DVD-R Disk 80

DVD+R Disk 80

DVD-RW Disk 300

DVD+RW Disk 300

SQL> --

SQL> -- УПОРЯДОЧИВАНИЕ ПОЛУЧАЕМЫХ ДАННЫХ (СТРОК)

SQL> --

SQL> SELECT name, price FROM product;

NAME PRICE

------------------------- ----------

CD-RW Disk 20

CD-R Disk 15