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锛堢瓟妗堝繀闋堝鍦ㄧ瓟椤岀礄涓婏級
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1銆侀棞(gu膩n)浜庨嵉鐨勬弿杩�锛屼笅闈㈤尟瑾ょ殑鏄� 锛� 锛�銆�
A锛夊湪闂�(gu膩n)绯讳腑鑳藉敮涓€妯�(bi膩o)璀樺厓绲勭殑灞€ч泦绋辩偤闂�(gu膩n)绯绘ā寮忕殑瓒呴嵉
B锛変笉鍚湁澶氫綑灞€х殑瓒呴嵉绋辩偤鍊欓伕閸�
C锛夊鏋滄ā寮� R 涓爆鎬� K 鏄叾浠栨ā寮忕殑涓婚嵉锛岄偅涔� K 鍦ㄦā寮� R 涓ū鐐哄収(n猫i)閸�
D锛夌敤鎴堕伕浣滃厓绲勬(bi膩o)璀樼殑鍊欓伕閸电ū鐐轰富閸�
2銆佸湪闂�(gu膩n)绯绘ā鍨嬩腑锛屽皪闂�(gu膩n)绯荤殑鏁樿堪涓嶆纰虹殑鏄紙 锛�銆�
A锛夐棞(gu膩n)绯讳腑姣忎竴鍊嬪爆鎬у€奸兘鏄笉鍙垎瑙ｇ殑
B锛夐棞(gu膩n)绯讳腑鍏佽ū鍑虹従(xi脿n)閲嶅京(f霉)鍏冪祫
C锛夌敱浜庨棞(gu膩n)绯绘槸涓€鍊嬮泦鍚堬紝鍥犳涓嶈€冩叜鍏冪祫闁撶殑闋嗗簭锛屽嵆娌掓湁琛屽簭
D锛夊厓绲勪腑鐨勫爆鎬у湪鐞嗚珫涓婁篃鏄劇搴忕殑
3銆佹暩(sh霉)鎿�(j霉)搴笁绱氭ā寮忎腑,鐢ㄦ埗鑸囨暩(sh霉)鎿�(j霉)搴噳(y墨ng)鐢ㄧ郴绲�(t菕ng)鐨勬帴鍙ｆ槸锛� 锛夈€�
A)妯″紡 B)澶栨ā寮� C)鍏�(n猫i)妯″紡 D)閭忚集妯″紡
4銆佺偤浜嗚В姹哄苟鐧�(f膩)鎿嶄綔甯朵締鐨勬暩(sh霉)鎿�(j霉)涓嶄竴鑷寸殑鍟忛锛孌BMS 閫氬父閲�?銆�?锛夋妧琛�(sh霉)銆�
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5銆佸湪鏁�(sh霉)鎿�(j霉)搴妧琛�(sh霉)涓�,"鑷熸暩(sh霉)鎿�(j霉)"鏄寚( )銆�
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C)鍥為€€鐨勬暩(sh霉)鎿�(j霉) D)鏈彁浜ら毃鍚庡張琚挙閵风殑鏁�(sh霉)鎿�(j霉)
6銆侀棞(gu膩n)绯绘ā寮忚嚦灏戞噳(y墨ng)瑭插爆浜�( )銆�
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7銆佽ō(sh猫)闂�(gu膩n)绯绘ā寮� R(A,B,C,D)锛孎(xi脿n)={A鈫払, B鈫扖 }鏄� R 涓婄殑 FD 闆�锛屽墖灞€ч泦 BD 鐨勯枆鍖厈BD}
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8銆佷笅闈笉鏄暩(sh霉)鎿�(j霉)搴仮寰�(f霉)閲囩敤鐨勬柟娉曟槸锛� 锛�銆�
A)寤虹珛妾㈡煡榛�(di菐n) B)寤虹珛鍓湰 C)寤虹珛鏃ュ織鏂囦欢 D)寤虹珛绱㈠紩
绗� 2 闋� 鍏� 6 闋�
9銆佸湪闂�(gu膩n)绯讳唬鏁�(sh霉)閬�(y霉n)绠椾腑锛屼簲绋熀鏈亱(y霉n)绠楃偤锛� 锛�銆�
A锛夊苟銆佸樊銆侀伕鎿囥€佹姇褰�銆佽嚜鐒堕€ｆ帴 B锛夊苟銆佸樊銆佷氦銆侀伕鎿�銆佹姇褰�
C锛夊苟銆佸樊銆侀伕鎿�銆佹姇褰便€佺瑳鍗＄埦绌� D锛夊苟銆佸樊銆佷氦銆侀伕鎿�銆佷箻绌�
10銆佷笅闈㈤棞(gu膩n)浜庡鍊间緷璩寸殑閬搁爡(xi脿ng)涓�锛岄尟瑾ょ殑鏄紙 锛�銆�
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C) 鑻� A鈫掆啋B锛孊鈫掆啋C锛屽墖 A鈫掆啋C D) 鑻� A鈫掆啋B锛屽墖 A鈫掆啋C锛屽叾涓� C=Z-A-B
11銆佸湪 SQL 瑾炶█涓�锛岀敤浜庢脯瑭﹀垪鍊奸潪绌虹殑鐭獮鏄�( ) 銆�
A. IS NOT EMPTY B. NOT UNIQUE
C. IS NOT NULL D. NOT EXISTS
12銆丼QL2 鎻愪緵浜嬪嫏(w霉)鐨勫洓绋殧闆㈢礆鍒ワ紝鍏朵腑鏈€楂樼礆鍒ユ槸( )銆�
A. SERIALIZABLE B. REPEATABLE READ
C. READ COMMITTED D. READ UNCOMMITTED
13銆乆鈫扽 鑳界敤 FD 鎺ㄧ悊瑕�(gu墨)鍓囨帹鍑虹殑鍏呭垎蹇呰姊濅欢鏄�( ) 銆�
A.Y X B.Y X+
C.X Y+
D.X+
=Y+
14銆佽ō(sh猫)鏈夐棞(gu膩n)绯� R锛圓,B,C锛夌殑鍊煎涓�锛屼笅鍒楁晿杩版纰虹殑鏄紙 锛夈€�
A) 鍑芥暩(sh霉)渚濊炒 A鈫払 鍦ㄤ笂杩伴棞(gu膩n)绯讳腑鎴愮珛
B) 鍑芥暩(sh霉)渚濊炒 BC鈫扐 鍦ㄤ笂杩伴棞(gu膩n)绯讳腑鎴愮珛
C) 鍑芥暩(sh霉)渚濊炒 B鈫扐 鍦ㄤ笂杩伴棞(gu膩n)绯讳腑鎴愮珛
D) 鍑芥暩(sh霉)渚濊炒 A鈫払C 鍦ㄤ笂杩伴棞(gu膩n)绯讳腑鎴愮珛
15銆佽ō(sh猫)灏嶅苟鐧�(f膩)浜嬪嫏(w霉) T1 鍜� T2 鐨勪氦鍙夊苟琛屽煼(zh铆)琛屽涓嬶紝鍩�(zh铆)琛岄亷绋嬩腑锛� 锛夈€�
T1 T2
鈶� READ(A)
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鈶� A=A+10 瀵洖
鈶� READ锛圓锛�
A) 鏈変笩澶变慨鏀瑰晱椤� B) 鏈変笉鑳介噸寰�(f霉)璁€鍟忛
C) 鏈夎畝鑷熸暩(sh霉)鎿�(j霉)鍟忛 D) 娌掓湁浠讳綍鍟忛
16銆佸湪宓屽叆寮� SQL 瑾炶█涓娇鐢ㄦ父妯�(bi膩o)鐨勭洰鐨勫湪浜庯紙 锛夈€�
A B C
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绗� 3 闋� 鍏� 6 闋�
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C锛夎檿鐞嗛尟瑾や俊鎭� D锛夎檿鐞嗗琛岃閷�
17銆佸湪闂�(gu膩n)绯� R 鑸囬棞(gu膩n)绯� S 閫�(j矛n)琛岃嚜鐒堕€ｆ帴鏅�锛屾妸 R 鍜� S 涓殑鎳告诞鍏冪祫淇濆瓨鍒扮祼(ji茅)鏋滈棞(gu膩n)绯讳腑锛岄€�
绋搷浣滅ū鐐猴紙 锛�銆�
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18銆佸凡鐭ラ棞(gu膩n)绯� R 鍜� S 濡傚湒鎵€绀�锛屽爆鎬� A 鐐� R 鐨勪富纰�锛孲 鐨勫纰�锛屽爆鎬� C 鐐� S 鐨勪富纰�. S 涓�
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R S
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a1
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19銆佷笅鍒� SQL 瑾炲彞涓�锛岃兘澶�?q奴)宕縁(xi脿n)鈥滄敹鍥炵敤鎴� ZHAO 灏嶅(xu茅)鐢熻〃锛圫TUDENT锛変腑瀛�(xu茅)铏燂紙XH锛夌殑
淇敼娆�(qu谩n)鈥濋€欎竴鍔熻兘鐨勬槸锛� 锛�銆�
A锛塕EVOKE UPDATE(XH) ON TABLE FROM ZHAO
B锛塕EVOKE UPDATE(XH) ON TABLE FROM PUBLIC
C锛塕EVOKE UPDATE(XH) ON STUDENT FROM ZHAO
D锛塕EVOKE UPDATE(XH) ON STUDENT FROM PUBLIC
20銆佷笅闈㈤伕闋�(xi脿ng)涓�锛屼笉鏄崐绲�(ji茅)妲�(g貌u)鏁�(sh霉)鎿�(j霉)鐗归粸(di菐n)鐨勬槸锛� 锛�銆�
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C锛夐潏娲绘€ч珮 D锛夋湁鍒╀簬鏁�(sh霉)鎿�(j霉)闆嗘垚
浜屻€佺啊绛旈锛�7 椤�锛屽叡 70 鍒嗭級
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2銆佷粈涔堟槸鈥滀覆琛岃(di脿o)搴︹€�锛屼粈涔堟槸鈥滃苟琛岃(di脿o)搴︹€濓紝琛￠噺骞惰瑾�(di脿o)搴︽纰鸿垏鍚︾殑妯�(bi膩o)婧�(zh菙n)鏄粈涔�锛�
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C D A
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