绗簩绔?/p>
鍏崇郴鏁版嵁搴?/p>
1
锛庤瘯杩板叧绯绘ā鍨嬬殑涓変釜缁勬垚閮ㄥ垎銆?/p>
绛旓細鍏崇郴妯″瀷鐢卞叧绯绘暟鎹粨鏋勩�佸叧绯绘搷浣滈泦鍚堝拰鍏崇郴瀹屾暣鎬х害鏉熶笁閮ㄥ垎缁勬垚銆?/p>
2
锛庤瘯杩板叧绯绘暟鎹瑷�鐨勭壒鐐瑰拰鍒嗙被銆?/p>
绛旓細鍏崇郴鏁版嵁璇█鍙互鍒嗕负涓夌被锛?/p>
鍏崇郴浠ｆ暟璇█銆?/p>
鍏崇郴婕旂畻璇█锛氬厓缁勫叧绯绘紨绠楄瑷�鍜屽煙鍏崇郴婕旂畻璇█銆?/p>
SQL
锛氬叿鏈夊叧绯讳唬鏁板拰鍏崇郴婕旂畻鍙岄噸鐗圭偣鐨勮瑷�銆?/p>
杩欎簺鍏崇郴鏁版嵁璇█鐨勫叡鍚岀壒鐐规槸锛岃瑷�鍏锋湁瀹屽鐨勮〃杈捐兘鍔涳紝鏄潪杩囩▼鍖栫殑闆嗗悎鎿嶄綔
璇█锛屽姛鑳藉己锛岃兘澶熷祵鍏ラ珮绾ц瑷�涓娇鐢ㄣ�?/p>
3
锛堢暐锛?/p>
4
锛?/p>
5 .
杩板叧绯绘ā鍨嬬殑瀹屾暣鎬ц鍒欍�傚湪鍙傜収瀹屾暣鎬т腑锛屼负浠�涔堝閮ㄧ爜灞炴�х殑鍊间篃鍙互涓虹┖锛熶粈涔?/p>
鎯呭喌涓嬫墠鍙互涓虹┖锛?/p>
绛旓細瀹炰綋瀹屾暣鎬ц鍒欐槸鎸囪嫢灞炴�?/p>
A
鏄熀鏈叧绯?/p>
R
鐨勪富灞炴�э紝鍒欏睘鎬?/p>
A
涓嶈兘鍙栫┖鍊笺�?/p>
鑻ュ睘鎬?/p>
(
鎴栧睘鎬х粍
)F
鏄熀鏈叧绯?/p>
R
鐨勫鐮侊紝
瀹冧笌鍩烘湰鍏崇郴
S
鐨勪富鐮?/p>
Ks
鐩稿搴?/p>
(
鍩烘湰鍏崇郴
R
鍜?/p>
S
涓嶄竴瀹氭槸涓嶅悓鐨勫叧绯?/p>
)
锛屽垯瀵逛簬
R
涓瘡涓厓缁勫湪
F
涓婄殑鍊煎繀椤讳负锛氭垨鑰呭彇绌哄�?/p>
(F
鐨勬瘡涓睘
鎬у�煎潎涓虹┖鍊?/p>
)
锛涙垨鑰呯瓑浜?/p>
S
涓煇涓厓缁勭殑涓荤爜鍊笺�傚嵆灞炴�?/p>
F
鏈韩涓嶆槸涓诲睘鎬э紝鍒欏彲浠ュ彇绌?/p>
鍊硷紝鍚﹀垯涓嶈兘鍙栫┖鍊笺�?/p>
6
锛庤鏈変竴涓?/p>
SPJ
鏁版嵁搴擄紝鍖呮嫭
S
锛?/p>
P
锛?/p>
J
锛?/p>
SPJ
鍥涗釜鍏崇郴妯″紡锛?/p>
1
锛夋眰渚涘簲宸ョ▼
J1
闆朵欢鐨勪緵搴斿晢鍙风爜
SNO
锛?/p>
蟺
Sno
(
蟽
Jno=
鈥?/p>
J1
鈥?/p>
锛?/p>
SPJ
锛?/p>
)
2
锛夋眰渚涘簲宸ョ▼
J1
闆朵欢
P1
鐨勪緵搴斿晢鍙风爜
SNO
锛?/p>
蟺
Sno
(
蟽
Jno=
鈥?/p>
J1
鈥欌埀
Pno=
鈥?/p>
P1
鈥?/p>
(SPJ))
3
锛夋眰渚涘簲宸ョ▼
J1
闆朵欢涓虹孩鑹茬殑渚涘簲鍟嗗彿鐮?/p>
SNO
锛?/p>
蟺
Sno
(
蟺
Sno,,Pno
锛埾?/p>
Jno=
鈥?/p>
J1
鈥?/p>
(SPJ))
鈭炏�
Pno
锛埾?/p>
COLOR=
鈥欑孩鈥?/p>
锛?/p>
P
锛?/p>
))
4
锛夋眰娌℃湁浣跨敤澶╂触渚涘簲鍟嗙敓浜х殑绾㈣壊闆朵欢鐨勫伐绋嬪彿
JNO
锛?/p>
蟺
Jno
(SPJ)-
蟺
JNO
锛埾?/p>
city=
鈥樺ぉ娲モ�欌埀
Color=
鈥樼孩鈥?/p>
锛?/p>
S
鈭?/p>
SPJ
鈭?/p>
P
锛?/p>
5
锛夋眰鑷冲皯鐢ㄤ簡渚涘簲鍟?/p>
S1
鎵�渚涘簲鐨勫叏閮ㄩ浂浠剁殑宸ョ▼鍙?/p>
JNO
锛?/p>
蟺
Jno
锛?/p>
Pno
(SPJ)
梅
蟺
Pno
锛埾?/p>
Sno=
鈥?/p>
S1
鈥?/p>
锛?/p>
SPJ
锛?/p>
锛?/p>
7.
璇曡堪绛夊�艰繛鎺ヤ笌鑷劧杩炴帴鐨勫尯鍒拰鑱旂郴銆?/p>
绛旓細杩炴帴杩愮畻绗︽槸鈥?/p>
=
鈥濈殑杩炴帴杩愮畻绉颁负绛夊�艰繛鎺ャ�傚畠鏄粠鍏崇郴
R
涓?/p>
S
鐨勫箍涔夌瑳鍗″皵绉腑閫?/p>
鍙?/p>
A
锛?/p>
B
灞炴�у�肩浉绛夌殑閭ｄ簺鍏冪粍
鑷劧杩炴帴鏄竴绉嶇壒娈婄殑绛夊�艰繛鎺ワ紝瀹冭姹備袱涓叧绯讳腑杩涜姣旇緝鐨勫垎閲忓繀椤绘槸鐩稿悓鐨勫睘鎬х粍锛?/p>
骞朵笖鍦ㄧ粨鏋滀腑鎶婇噸澶嶇殑灞炴�у垪鍘绘帀銆?/p>
8
锛庡叧绯讳唬鏁扮殑鍩烘湰杩愮畻鏈夊摢浜?/p>
?
濡備綍鐢ㄨ繖浜涘熀鏈繍绠楁潵琛ㄧず鍏朵粬杩愮畻
?
绛旓細骞躲�佸樊銆佺瑳鍗″皵绉�佹姇褰卞拰閫夋嫨
5
绉嶈繍绠椾负鍩烘湰鐨勮繍绠椼�傚叾浠?/p>
3
绉嶈繍绠楋紝鍗充氦銆佽繛鎺ュ拰
闄わ紝鍧囧彲浠ョ敤杩?/p>
5
绉嶅熀鏈繍绠楁潵琛ㄨ揪銆?/p>
绗笁绔?/p>
鍏崇郴鏁版嵁搴撹瑷�
SQL
1
锛庤瘯杩?/p>
sQL
璇█鐨勭壒鐐广�?/p>
绛旓細
(l
锛?/p>
缁煎悎缁熶竴銆?/p>
sQL
璇█闆嗘暟鎹畾涔夎瑷�
DDL
銆?/p>
鏁版嵁鎿嶇旱璇█
DML
銆?/p>
鏁版嵁鎺у埗璇█
DCL