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		30.	.
SELECT		SELECT DISTINCT
FROM	;	FROM	;
-------		-------
1007		1001
1001		1002
1004		1003
1002		1004
1007		1007
1003
1002
1001
1002
1001

	DISTINCT	ALL
	Distinct.	.
WHERE (	)
WHERE	SELECT,
.	«	»
.
25:
,	= 100, (	)
WHERE	= 100
	31.	.
SELECT *
FROM
WHERE	= 100;

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

2001		100	1001
2006		100	1001
2007	.	100	1004

	WHERE
,	SQL:
=
>
<
>=
<=

rating = 100 rating >= 200

WHERE

AND	(	A AND B)
	,		.
OR	(	A OR B)
,		.
NOT		(	NOT A)
				.
26:
,				,
(	)	200.
			32.	.
SELECT *
FROM
WHERE	= '		'
AND	> 200;

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

2003	200	1002
2008	300	1007

27:

SELECT *
FROM
WHERE	= '	'
OR city = '		';
28:
	33.			.
SELECT *
FROM
WHERE		= '	' OR NOT	> 200;

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

2001		100	1001
2002	.	200	1003
2003		200	1002
2004		300	1002
2006		100	1001

2007

100

1004

SELECT *

FROM

WHERE NOT = '' OR > 200;

, , ..

SELECT *

FROM

WHERE NOT ( = '' OR > 200);

IN ()

IN ,

SELECT *

FROM
WHERE	In ('	', '	');
			34.	.
SELECT *
FROM
WHERE		IN (1001, 1007, 1004);

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

-----------

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

-----------
2001		100	1001
2008		300	1007
2007	.	100	1004

BETWEEN (	)
BETWEEN		IN.
,	IN,	BETWEEN	,
	,		.

BETWEEN ,

AND . IN, BETWEEN

	35.
SELECT *
FROM
WHERE	BETWEEN .10 AND .12;

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

1001			0.12
1004			0.11
1003			0.10
LIKE (	)
LIKE		CHAR	VARCHAR,
,		.	,	,
,			.
		(wildcards)	-
	-	.
		LIKE:

_ . , 'b_t' 'bat' 'bit', 'brat'.

(%)

(). '%p%t' 'put', 'posit', 'opt', 'spite'.

29:

, «».

	36.
SELECT
FROM
WHERE	LIKE ' %';

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

2002 . 200 1003

30:

, , «». .

	38.
SELECT *
FROM
WHERE	LIKE '% ';

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

2001	100	1001
2003	200	1002
2004	300	1002
2008	300	1007

				,
«..	».	,
	?	LIKE
ESC.		ESC
	,	,
	,		.	ESCAPE
'/'	ESC.	ESC	LIKE	,
,		,	ESCAPE,
,			.	ESC
				.
,			,	,
:
			39.
SELECT *
FROM
WHERE	LIKE '%/_%'ESCAPE'/';

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

		, .	,
,	.
	NULL (	)
NULL		,	,

NULL. NULL

, NULL, , ,

. , ' = NULL' ' IN (NULL)'

, .

IS ()

NULL «»:

SELECT *

FROM

WHERE IS NULL;

, «», , ,

NOT IS NULL

IS NOT NULL

COUNT NULL ,

SUM .

AVG .

MAX .

MIN .

COUNT, MAX, MIN, .

31:

«»

	40.
SELECT SUM (	)
FROM	;

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

SUM ()

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

26658.4

, , , , , .

() .

COUNT

COUNT .

, .

, DISTINCT,

32:

		.
		41.
SELECT COUNT (DISTINCT		)
FROM	;

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

COUNT (DISTINCT )

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

, DISTINCT, , , SELECT,

33:

, COUNT

	42.
SELECT COUNT (*)
FROM	;

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

COUNT (*)

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

GROUP BY ()

GROUP BY

SELECT. GROUP BY , . , «», MAX

. , GROUP

BY,	,	,			,
		.			,
			.			GROUP BY
		.
	34:
		,			,
			.
					43.
		SELECT	, MAX (		)
		FROM
		GROUP BY	;
	----------------------------------------------------------------------------------------------------------
				MAX(	)
	----------------------------------------------------------------------------------------------------------
	2001			767.19
	2002			1713.23
	2004			1309.95
	2008			1098.16
	35:
		,			,
					44.
		SELECT	,	, MAX (	)
		FROM
		GROUP BY	,	;
	----------------------------------------------------------------------------------------------------------
					MAX (	)
	----------------------------------------------------------------------------------------------------------
	2001		10/03/1990		767.19
	2006		10/05/1990		4723.00
	2006		10/06/1990		9891.88
	2003		10/03/1990		5160.45
	2004		10/04/1990		75.75
	2004		10/06/1990		1309.95
	2002		10/04/1990		1713.23
	2007		10/03/1990		1900.10
	2008		10/03/1990		1098.16

HAVING ()

HAVING

WHERE

GROUP BY. HAVING ,

WHERE			.
HAVING			,
SELECT,			GROUP BY.
		.
HAVING			IN, BETWEEN.
36:
			$3000.00,
			45.
SELECT	,	, MAX (	)
FROM
GROUP BY		,
HAVING MAX (		) > 3000.00;

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

MAX ()

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

2006	10/05/1990	4723.00
2006	10/06/1990	9891.88
2003	10/03/1990	5160.45

37:
,	,
10.03.1988.

SELECT , MAX ()

FROM

GROUP BY

HAVING = 10/03/1988;

-	odate	HAVING, . .
,		.
		46.
SELECT	, MAX (	)
FROM
WHERE	= 10/03/1990
GROUP BY	;

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

MAX ()

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

2001	767.19
2003	5160.45
2007	1900.10
2008	1098.16
ORDER BY (	)

- , ,

. SQL ORDER BY,

		.
				.
			,	GROUP
BY,		(ASC)		(DESC)
.
38:
,				,
		.
.
SELECT *
FROM
ORDER BY	;
			ASC.
		,		,
			.
39:
,				,
			.
	.
SELECT *
FROM
ORDER BY		DESC,	DESC;
			47.
SELECT *
FROM
ORDER BY		DESC,	DESC;
----------------------------------------------------------------------------------------------------------
----------------------------------------------------------------------------------------------------------
2008		1098.16
2008		18.69
2007		1900.10
2002		1713.23
2003		5160.45
2004		1309.95
2004		75.75

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