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RDBM RD BMSS to MongoDB Migration Migration Guide C?? ? B %J 2016
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2 3 4 5 5 5 5 6 6 7 7 8 9
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Q Partial Indexes. %?DB 3.2 ? = !?I H ? H > UI= =? !?I, H DBA ? J ? I? H== < >? H >? = ?= ? = ?I. .. ? "" ==?, ? ?I ? ? =J >?J > ?=J ? ? ?I = > ??= ? {orderState: "active"} R J ? > >>J, ? H >? H= == >K? . Q Hash Indexes. ?I > = T= ? ?I =. >J ?I ?= - ?, >= ? ?> ? >? . Q Text Sear Searc ch Indexes. Indexes. %?DB =K ?I I ?, =?-T =? = >>?, <?K? ? H. I ?I ? >? ? =? . E ==? >J > ? I ?I >J ?= >== T=. %?DBN ?? == == ?I J ? ?I ? ? ?J >? R ?=? ? ->? ? J =>? R ><? > > > H= ? J *DB%.
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Q ?= $ >? J B! = ? =? %?DB ? ? %?DB ?
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?= >=>?? = >J ?. %?DB H ? AC!D >? == R ?=? =J > J ? ->? >==J. BJ >? = T= H? ?= >?, > ?J ? ?= *DB%, H J??K =J AC!D ? ? >?? ?= ?J =. D>?-== >J ? %?DB ? >= =? >? ; ?J ? == < ? =? ?? H >?. D H ?=->? > ?, >J >=->? ??. >== R ?=? ? findAndModify >>? ==H >? >==J ? ? ? > ? . findAndModify H= > ? H ? = > >=I ?? =. F I>=, ?=J = > - =<, , ? ? >? ? = ? > >=I . A? =? ?= >=>?? H- >> ??-=< >?. >?? H ? %?DB, ? >? ?? .
> >= MT ? N ? H? ? > >==, ===J =. =I H ??, =? ? ? H ? %?DB ? ?? ? ?= H H? ? > , ? >I>> >?. ? = =? =< =?, H J==J ?=JK? ? ? , ? ?. ? H ??, H ? H ?= %?DB == == H ?? T =? >?. F I>=: Q =? H ? > >J (=). Q H ? = = ? ?J. Q H ? = = >J ?. Q H ? = = == ? R ? J =J ? ? ?. ( = = > ?H< =?J ==J ? ?).
%??? ? C??J BJ =, %?DB == ? >J , ?? ? ??J. A=, J = ?J > ?J H? %?DB = H== ?==J ?? R > =< > / = =? ? =?= . A>? ? ?T ?J = ?= T ? %?DBN * ?, H ?= H =?' ? >> = .
D=J %?DB H ?? ?= == H ? =J. C?T= ? I? 12
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H ?? ? = ? ? ? < H ?? ? >??. %?DB H- =? ? ?-< ?= ? H ? =J ? =?. B =J? ? R H H ? ? ?I >T? R %?DB H ? ? ?=. ! = %?DB ?? ? ? H ? > ?= , ?= ? ? =, J >??? ?? H? .
DJ?> > ? =J, = >? ?= ? >=>? >?? =J, ==J H? >== =?, ? ? = >?>? => ? > ? H?> J>. * ? =? ?>? ?= < ? =? , %?DB D>? =? H? . ? ? < ? >? , J, ?, ? ? >?J T=. A =, DBA ? =J ?? ?, H= = >?? ?T UI= >? >=. ?T? UI=J >K H >? and ar are e not = ?J ==? R ?=< ? *DB% H J? > T? ? ?. F ?J <J > <: Q I Q ! I, = J Q = ? = > (= I? ? < ?? ? > = ? R N =J > >= , I>=) Q = == H? ? ? A ? I>=, > ==H? < ? ? ? contacts ==?: Q J ? = ? 1994 Q >? ?? ? ?> ?/ ? >= Q ? ?, ? ?> ? >= ? 13
? J T?? D>? =? =: db.runCommand({ collMod: "contacts", validator: { $and: [ {year_of_birth: {$lte: 1994}}, {$or: [ {phone: { $type: "string" }}, {email: { $type: "string" }} ]}] }})
A? =? < ==? J ? ?J = DBA >= H %?DB, D>? =? ? %?DB J $?.
E?? C?? !?I A ? > D? ?, %?DB ? ?I ?=J, H ? ? ?J ? ? > = = = ? ==?. A = == H ? ?I ? =>? = ? > I? ==?.
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%?J >? ?= ??? I? *DB% ? === H ?H %?DB , ?>?==J ?? ? : Q A > *DB%, =? H > < %?DB ? >? >. Q C??J <, I>= ? %D5 <>, ? = > .
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!?>?= >? ? H? ?H =? >=>? H %?DB, H >== =? ??? ? =J *DB%. %? ?=J =? ? >?K ?= > ? > >?= ? = =>? ?. !?>?= >? =>? ? ==J H= = ? =-< = ?J < =J . %?J ?K? > J>, >? =J > ? I? *DB% %?DB ? === ?, > =? =>? ? = ?. ? ? , >? ? H ?= = 14
? J>. ? =? OAP ? OBP ? %?DB, ? ? =? =J H? >. !? ?, D A ? =J , ? =? H ?I J D B. %?H= I? D A , H? ?I > D A, H= ?H ?? , ?? J??K? =? . =? > ? ? ?=? ? A E$, H %? ? H?.
?= A=J = ?? == ? >? , = ? DBA. H, ? > H =? >= H T? ?I, ?? > = > ==J = ?? >? T?=J. T?= ?? ? >? =??? = ? ?= . %?DB ? B T? ? =? > ? <J .
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%?DB ?J C == = ? DBA: Q Free, web-based classes, = 7 H<, J =, >H< ? > ? H ? ? ?. 350,000 ? =J ?== ? =. Q Public training events = %?DB =. Q Private Private training >K ? ?K?N T >?, = . $? >.
? G : Q %?>?, >?? ? < H %?DB %? %?DB C= %?, H HJ ? %?DB H? J H? ? = =, =? H = mongotop, mongostat ? mongodump.
Q ==J H %?DB *= , ? =-=? J > = ? ? = >??? H ? H?>. Q ==J ? %?DB -? (??) = >>J , H =? ??J.
C>>?J * ? C?=? !? ? ??, ? ? > ? =: Q Tec echnic hnical al rresour esources ces >>?J == > ? G= G, <UH ? !*C Q Consulting pack packages ages ?= = <, > ?=? ? ?= A? %?. % = == > %?DB C?=? .
Q H =? H >= ?T? >>J, < ? C. Q J ?=? $DA, # ? I.509 ??, T=-== ?=, -T? =, ?, ?J? ?-U ? -, 15
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%?DB E? A? HJ ? %?DB ? J ?. !N T?=J-? < ? H, , T?, ? ? HJ J ?. %?DB C= %? HJ ? %?DB ? =. ! >< %?DB J> J HJ = ? =< >?? >. %?DB ?= = J >? J =J>? ? < ??? >=J. ! ?= > %?DB ??, H== %?DB C= %?. D=>? = J ? ??? <=J. ! J >= < H ? =J J . %?DB C?=? < J ? , = J ? >? ? ?, = J =, ? J ? J ?I =. %?DB ?? = J > %?DB I, > ? ? >?-= J> =.
H < Q = A= Q ??, D.C. Q $?? Q D=? Q B=? Q J?J Q = A 866-237-8815 Q !$ +1-650-440-4474 Q ?@>?.> S 2016 %?DB, !?. A== .
16
