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SQL




, . . .

 

, Browse(), , .

 

SQL, LOCATE SEEK. : , . , , , .

 

SQL . - -. , .

 

SELECT . Ÿ :

SELECT < >

FROM < ()> INTO < ()>

WHERE < >

GROUP BY <, >

HAVING < >

ORDER BY < >

 

SELECT, , . . , , . . , , , , price (). , AS, , .

, , , :

SELECT price AS , year AS , marka AS , color AS

FROM Auto! Propousal

WHERE price < 4000; AND marca = OR ’

, , $4000. -.

 

ORDER BY. ,

ORDER BY price

, DISTINCT

 

, , :

INNER JOIN Auto! Owner

ON Owners.address =

, .

.

( ). Command Button ( ) Form Controls ( ) .

Properties.

, Caption (). ( ).

Click ( ). Properties () Methods ().

Click () . .

, .

*

IF MESSAGEBOX (" ?", 4+32+256, "")=6

_screen.ActiveForm.Release()

ELSE

_screen.ActiveForm.Refresh()

ENDIF

. .

 

10. ax2 + bx + c = 0

:

,

 

input 'Input A' to A

input 'Input B' to B

input 'Input C' to C

D1=-B + SQRT(B^2-4*A*C)

D2=-B - SQRT(B^2-4*A*C)

X1=D1/4

X2=D2/4

? 1= , X1

? 2= , X2


x=3

Y=(1.4*x^2+x)/sqrt(exp(x)-log(x))

?Y





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