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1三級(jí)模式間存在兩種映射,它們是(A)。A模式與子模式間,模式與內(nèi)模式間2SQLSERVER系統(tǒng)中的所有系統(tǒng)級(jí)信息存儲(chǔ)于哪個(gè)數(shù)據(jù)庫(kù)(A)。AMASTER3下面關(guān)于TEMPDB數(shù)據(jù)庫(kù)描述不正確的是(D)。D是用戶建立新數(shù)據(jù)庫(kù)的模板4在數(shù)據(jù)庫(kù)技術(shù)中,面向?qū)ο髷?shù)據(jù)模型是一種(B)。B結(jié)構(gòu)模型5數(shù)據(jù)庫(kù)管理系統(tǒng)常見(jiàn)的數(shù)據(jù)模型有(B)。B層次、關(guān)系和網(wǎng)狀6用戶看到的數(shù)據(jù)表,屬于數(shù)據(jù)庫(kù)系統(tǒng)三級(jí)模式中的(D模式7對(duì)數(shù)據(jù)的插入屬于數(shù)據(jù)庫(kù)管理系統(tǒng)(B)的功能。B數(shù)據(jù)操縱8保持?jǐn)?shù)據(jù)的完整性屬于數(shù)據(jù)庫(kù)管理系統(tǒng)(C)的功能。C數(shù)據(jù)庫(kù)的運(yùn)行管理9在SQLSERVER數(shù)據(jù)庫(kù)中,默認(rèn)情況下SYS通常是(C)。C系統(tǒng)表表名的前綴1設(shè)一個(gè)關(guān)系為R,如果它的每個(gè)屬性都是不可再分的,則稱這個(gè)關(guān)系是符合(A)。A第一范式2在第一個(gè)關(guān)系中出現(xiàn),在第二個(gè)關(guān)系中不出現(xiàn)的記錄組成的關(guān)系稱為兩個(gè)關(guān)系的(C)。C差3關(guān)系數(shù)據(jù)庫(kù)規(guī)范化是為了解決關(guān)系數(shù)據(jù)庫(kù)中的(A)問(wèn)題。A插入、刪除和數(shù)據(jù)冗余B提高查詢的速度4關(guān)系模式中,滿足2NF的模式,(B)。B必定是1NF1下述關(guān)于索引的描述,正確的是(B)建立索引后,會(huì)影響基本表的插入速度2下述關(guān)于視圖的描述,正確的是C在SQLSERVER中,可以像基本表一樣對(duì)視圖進(jìn)行查詢操作3如果希望從學(xué)生表中查詢出所有姓“張”的同學(xué),那么條件語(yǔ)句應(yīng)該是(B)。BWHERE姓名LIKE張4下列SQL語(yǔ)句中,能夠完成求某列最大值的是(B)。BSELECTMAXAGEFROMSTUDENT5假定學(xué)生關(guān)系S(SNO,SNAME,SEX,AGE),課程關(guān)系C(CNO,CNAME,TEACHER),學(xué)生選課關(guān)系SC(SNO,CNO,GRADE)。要查詢選修了“計(jì)算機(jī)技術(shù)”課程的“女”學(xué)生姓名,將涉及到關(guān)系(D)。DS,C,SC1如果希望從學(xué)生表中查詢出所有姓“李”的同學(xué),那么條件語(yǔ)句應(yīng)該是(B)。B、WHERE姓名LIKE李2在一個(gè)教師關(guān)系中,能夠成為主關(guān)鍵字(或稱主碼)的屬性是(B)。B、教師編號(hào)3從最終用戶應(yīng)用程序的視角看,數(shù)據(jù)庫(kù)系統(tǒng)的三級(jí)模式結(jié)構(gòu)是(C)。C、外模式、模式和內(nèi)模式4在一個(gè)學(xué)生關(guān)系中,能夠成為主關(guān)鍵字(或稱主碼)的屬性是(C)。C、學(xué)號(hào)5有嚴(yán)格的數(shù)學(xué)基礎(chǔ)的數(shù)據(jù)模型是(A)。A、關(guān)系模型6下列關(guān)于索引的說(shuō)明不正確的是(A)。A、索引必須創(chuàng)建在主關(guān)鍵字之上7設(shè)關(guān)系R是滿足第一范式的,若R中不存在非主屬性對(duì)主鍵的部分函數(shù)依賴,則R符合(A)。A、第二范式8下列符合第三范式的關(guān)系是(D)。D、學(xué)生(學(xué)號(hào),姓名,性別)9在第一個(gè)關(guān)系中出現(xiàn),而在第二個(gè)關(guān)系中不出現(xiàn)的記錄組成的新關(guān)系稱為(D)。D、兩個(gè)關(guān)系的差10數(shù)據(jù)庫(kù)應(yīng)用程序開(kāi)發(fā)中,需求分析階段的主要目的是(A)。A、回答“干什么”的問(wèn)題11用戶使用SQLSERVER時(shí),通常需要依次經(jīng)過(guò)兩個(gè)安全性階段(C)。C、身份驗(yàn)證、權(quán)限認(rèn)證12SQLSERVER數(shù)據(jù)庫(kù)中的一個(gè)完整的備份通常要包括(A)。A、系統(tǒng)數(shù)據(jù)庫(kù)、用戶數(shù)據(jù)庫(kù)和事務(wù)日志13下列哪些不屬于索引的類型(D)。D、事務(wù)日志索引14下列SQL語(yǔ)句中,能夠完成并運(yùn)算的是(A)。A、SELECTFROM籃球愛(ài)好者UNIONSELECTFROM足球愛(ài)好者15設(shè)學(xué)生表和課程表的結(jié)構(gòu)分別為(學(xué)號(hào),姓名)和(學(xué)號(hào),課程號(hào),成績(jī)),如果希望查詢出“成績(jī)大于90分的學(xué)生姓名”,則對(duì)應(yīng)的SQL語(yǔ)句是(D)。D、SELECT姓名FROM學(xué)生表,課程表WHERE學(xué)生表學(xué)號(hào)課程表學(xué)號(hào)AND課程表成績(jī)901如果希望從學(xué)生表中查詢出所有姓“王”的同學(xué),那么條件語(yǔ)句應(yīng)該是(B)。B、WHERE姓名LIKE王2通常情況下,“數(shù)據(jù)庫(kù)管理系統(tǒng)”的英文縮寫(xiě)是(A)。A、DBMS3從最終用戶應(yīng)用程序的視角看,數(shù)據(jù)庫(kù)系統(tǒng)的三級(jí)模式結(jié)構(gòu)是(C)。C、外模式、模式和內(nèi)模式4在一個(gè)學(xué)生關(guān)系中,能夠成為主關(guān)鍵字(或稱主碼)的屬性是(C)。C、學(xué)號(hào)5有嚴(yán)格的數(shù)學(xué)基礎(chǔ)的數(shù)據(jù)模型是(A)。A、關(guān)系模型6下列關(guān)于索引的說(shuō)明不正確的是(A)。A、索引必須創(chuàng)建在主關(guān)鍵字之上7設(shè)關(guān)系R是滿足第一范式的,若R中不存在非主屬性對(duì)主鍵的部分函數(shù)依賴,則R符合(A)。A、第二范式8下列符合第三范式的關(guān)系是(D)。D、學(xué)生(學(xué)號(hào),姓名,性別)9在第一個(gè)關(guān)系中出現(xiàn),而在第二個(gè)關(guān)系中不出現(xiàn)的記錄組成的新關(guān)系稱為(D)。D、兩個(gè)關(guān)系的差10數(shù)據(jù)庫(kù)應(yīng)用程序開(kāi)發(fā)中,需求分析階段的主要目的是(A)。A、回答“干什么”的問(wèn)題11用戶使用SQLSERVER時(shí),通常需要依次經(jīng)過(guò)兩個(gè)安全性階段(C)。C、身份驗(yàn)證、權(quán)限認(rèn)證12SQLSERVER數(shù)據(jù)庫(kù)中的一個(gè)完整的備份通常要包括(A)。A、系統(tǒng)數(shù)據(jù)庫(kù)、用戶數(shù)據(jù)庫(kù)和事務(wù)日志13SQLSERVER中進(jìn)行數(shù)據(jù)庫(kù)恢復(fù)的SQL語(yǔ)句是(C)。C、RESTOREDATABASE14下列SQL語(yǔ)句中,能夠完成并運(yùn)算的是(A)。A、SELECTFROM籃球愛(ài)好者UNIONSELECTFROM足球愛(ài)好者15設(shè)學(xué)生表和課程表的結(jié)構(gòu)分別為(學(xué)號(hào),姓名)和(學(xué)號(hào),課程號(hào),成績(jī)),如果希望查詢出“成績(jī)大于90分的學(xué)生姓名”,則對(duì)應(yīng)的SQL語(yǔ)句是(D)。D、SELECT姓名FROM學(xué)生表,課程表WHERE學(xué)生表學(xué)號(hào)課程表學(xué)號(hào)AND課程表成績(jī)901下列()是指數(shù)據(jù)庫(kù)管理系統(tǒng)。D、DBMS2有嚴(yán)格的數(shù)學(xué)基礎(chǔ)并在此基礎(chǔ)上發(fā)展起來(lái)的數(shù)據(jù)庫(kù)模型是()。C、關(guān)系模型3在銷售商品關(guān)系中,能夠成為主關(guān)鍵字(或稱主碼)的屬性是()。B、商品編號(hào)4SQLSERVER系統(tǒng)中的所有系統(tǒng)級(jí)信息存儲(chǔ)于()數(shù)據(jù)庫(kù)中。AMASTER5關(guān)系數(shù)據(jù)庫(kù)規(guī)范化理論是為解決關(guān)系數(shù)據(jù)庫(kù)中()問(wèn)題而引入的。A、插入、刪除和數(shù)據(jù)冗余6下列符合第三范式的關(guān)系是()。B、零件(零件編號(hào),零件名稱,零件重量,零件儲(chǔ)存的倉(cāng)庫(kù)編號(hào))7如果希望從學(xué)生表中查詢出最大年齡的同學(xué),那么語(yǔ)句中應(yīng)該包含()。B、SELECTMAX年齡AS最大FROM學(xué)生表8下列關(guān)于索引的說(shuō)明不正確的是()。B、索引一經(jīng)建立就需要人工進(jìn)行維護(hù)9在第一個(gè)關(guān)系中出現(xiàn),在第二個(gè)關(guān)系中不出現(xiàn)的記錄組成的新關(guān)系稱為()。D、兩個(gè)關(guān)系的差10SQLSERVER默認(rèn)的登錄賬號(hào)為()。A、SA11數(shù)據(jù)庫(kù)應(yīng)用程序開(kāi)發(fā)中,()屬于物理設(shè)計(jì)。B、存儲(chǔ)方法設(shè)計(jì)12下列SQL語(yǔ)句中,能夠完成刪除功能的是()。D、DELETEFROM教師表WHERE性別男13查詢姓名中帶有“芳”字的學(xué)生,則條件語(yǔ)句應(yīng)包含()。B、WHERE姓名LIKE芳14下列SQL語(yǔ)句中,限制字段取值范圍的約束是()。C、性別CHAR2NOTNULLCHECK性別男OR性別女15設(shè)學(xué)生表和成績(jī)表的結(jié)構(gòu)分別為(學(xué)號(hào),姓名,所在系)和(學(xué)號(hào),課程名,成績(jī)),如果希望按分?jǐn)?shù)降序查詢出“英語(yǔ)系中選修了計(jì)算機(jī)課程的學(xué)生姓名和成績(jī)”,則對(duì)應(yīng)的SQL語(yǔ)句是()。D、SELECT姓名,成績(jī)FROM學(xué)生表,成績(jī)表WHERE所在系英語(yǔ)系A(chǔ)ND課程名計(jì)算機(jī)AND學(xué)生表學(xué)號(hào)課程表學(xué)號(hào)ORDERBY成績(jī)DESC1關(guān)系數(shù)據(jù)庫(kù)系統(tǒng)采用關(guān)系模型作為數(shù)據(jù)的組織方式。關(guān)系模型通常由三部分組成()。A數(shù)據(jù)結(jié)構(gòu)、關(guān)系操作集合和關(guān)系的完整性2以下不屬于SQLSERVER數(shù)據(jù)庫(kù)特點(diǎn)的是()。C基于面向?qū)ο蟮臄?shù)據(jù)模型3SQLSERVER數(shù)據(jù)庫(kù)一般包括兩大類數(shù)據(jù)庫(kù)類型()。D系統(tǒng)數(shù)據(jù)庫(kù)和用戶數(shù)據(jù)庫(kù)4在一個(gè)物資臺(tái)賬數(shù)據(jù)表中,能夠成為主關(guān)鍵字(或稱主碼)的字段是()。B物資編碼5在物理層面,SQLSERVER數(shù)據(jù)庫(kù)是由數(shù)據(jù)文件和事務(wù)日志文件兩個(gè)操作系統(tǒng)文件組成的,它們的后綴分別是()。AMDF和LDF6SQLSERVER數(shù)據(jù)庫(kù)中的系統(tǒng)表的表名通常以()為前綴。BSYS7設(shè)一個(gè)關(guān)系為R,X和Y是它的兩個(gè)屬性集。若對(duì)于X上的每個(gè)值都有Y上的一個(gè)惟一值與之對(duì)應(yīng),則稱X和Y()。C具有函數(shù)依賴關(guān)系8下列符合第三范式的關(guān)系是()。B教師(編號(hào),姓名,職稱)9一個(gè)關(guān)系中每條記錄和第二個(gè)關(guān)系的每條記錄進(jìn)行連接,所組成的新關(guān)系稱為()。C兩個(gè)關(guān)系的積10SQLSERVER提供的NCHAR、NVARCHAR、NTEXT等幾種雙字節(jié)數(shù)據(jù)類型實(shí)際上是一種()。AUNICODE數(shù)據(jù)類型11一個(gè)用戶訪問(wèn)SQLSERVER通常要依次經(jīng)過(guò)4個(gè)層次的安全控制,分別是()。A操作系統(tǒng)、服務(wù)器、數(shù)據(jù)庫(kù)、表和列12下列哪些不屬于索引的類型()。D事務(wù)日志索引13SQLSERVER中進(jìn)行數(shù)據(jù)庫(kù)備份的SQL語(yǔ)句是()。BBACKUPDATABASE14在成績(jī)數(shù)據(jù)表中,要計(jì)算某課程的平均成績(jī),可采用()。DAVG函數(shù)15設(shè)課程成績(jī)表的結(jié)構(gòu)為(學(xué)號(hào),課程號(hào),成績(jī)),如果希望查詢出“成績(jī)大于90分且課程號(hào)首字母為A的所有記錄”,則對(duì)應(yīng)的SQL語(yǔ)句是()。CSELECTFROM課程成績(jī)表WHERE成績(jī)90AND課程號(hào)LIKEA1計(jì)算機(jī)數(shù)據(jù)處理技術(shù)大致經(jīng)歷了(人工管理)、(文件管理)、(數(shù)據(jù)庫(kù)管理)等不同的發(fā)展階段。2數(shù)據(jù)庫(kù)系統(tǒng)由(外模式)、(模式)和(內(nèi)模式)三級(jí)抽象模式構(gòu)成。3數(shù)據(jù)庫(kù)管理系統(tǒng)的主要功能包括(數(shù)據(jù)定義)、(數(shù)據(jù)操縱)、(數(shù)據(jù)庫(kù)的運(yùn)行管理)、(數(shù)據(jù)庫(kù)的建立和維護(hù))。4關(guān)系模型由三部分組成(數(shù)據(jù)結(jié)構(gòu))、(關(guān)系操作集合)和(關(guān)系的完整性)。5SQLSERVER提供了大量易用的管理工具,比較常用的主要有(服務(wù)管理器)、(企業(yè)管理器)和(查詢分析器)。6數(shù)據(jù)文件的后綴是(MDF)。7事務(wù)日志文件的后綴是(LDF)。8SQLSERVER數(shù)據(jù)庫(kù)分為(系統(tǒng)數(shù)據(jù)庫(kù))和(用戶數(shù)據(jù)庫(kù))兩種類型。1SQL數(shù)據(jù)定義語(yǔ)言的主要作用是創(chuàng)建存儲(chǔ)數(shù)據(jù)的結(jié)構(gòu),而數(shù)據(jù)操縱語(yǔ)言的主要作用則是向數(shù)據(jù)庫(kù)中填寫(xiě)數(shù)據(jù),具體包括(增加)、(刪除)、(修改)等操作。2當(dāng)需要對(duì)查詢結(jié)果進(jìn)行排序時(shí),可以指定其排序方式,字段后使用(ASC)表示升序,(DESC)表示降序。3視圖是一個(gè)虛表,它是從(一個(gè)或多個(gè)基本表)中導(dǎo)出的表。1數(shù)據(jù)庫(kù)設(shè)計(jì)一般包括需求分析、概念設(shè)計(jì)、邏輯設(shè)計(jì)、物理設(shè)計(jì)、數(shù)據(jù)庫(kù)實(shí)施和運(yùn)行維護(hù)等階段。2數(shù)據(jù)庫(kù)應(yīng)用系統(tǒng)的建設(shè)包括結(jié)構(gòu)設(shè)計(jì)和行為設(shè)計(jì)兩個(gè)方面。3數(shù)據(jù)庫(kù)設(shè)計(jì)的主要原則包括表設(shè)計(jì)原則、字段設(shè)計(jì)原則和其他原則。4ER圖的設(shè)計(jì)關(guān)鍵在于對(duì)實(shí)體、聯(lián)系的選擇和表示。5物理設(shè)計(jì)的主要內(nèi)容包括存儲(chǔ)記錄的格式設(shè)計(jì)、存儲(chǔ)方法設(shè)計(jì)、訪問(wèn)方法設(shè)計(jì)以及完整性和安全性考慮。1數(shù)據(jù)庫(kù)系統(tǒng)的三級(jí)模式結(jié)構(gòu)是指數(shù)據(jù)庫(kù)系統(tǒng)由外模式、模式和內(nèi)模式三級(jí)抽象模式構(gòu)成。2備份是指將數(shù)據(jù)從硬盤(pán)復(fù)制到可移動(dòng)媒體上的過(guò)程。3“實(shí)體一聯(lián)系”方法是描述數(shù)據(jù)庫(kù)概念模型的主要方法,一般稱這種方法為ER方法(或ER圖方法)。4用戶使用SQLSERVER數(shù)據(jù)庫(kù)時(shí),一般需要經(jīng)過(guò)兩個(gè)安全性階段身份驗(yàn)證和權(quán)限認(rèn)證。5ER圖設(shè)計(jì)一般在數(shù)據(jù)庫(kù)設(shè)計(jì)的概念設(shè)計(jì)階段使用。1關(guān)系模型由三個(gè)部分組成,分別是數(shù)據(jù)結(jié)構(gòu)、關(guān)系操作集合和關(guān)系的完整性。2備份是指將數(shù)據(jù)從硬盤(pán)復(fù)制到可移動(dòng)媒體上的過(guò)程。3數(shù)據(jù)庫(kù)應(yīng)用系統(tǒng)的建設(shè)包括結(jié)構(gòu)設(shè)計(jì)和行為設(shè)計(jì)兩個(gè)方面。4關(guān)系完整性是指關(guān)系模型中數(shù)據(jù)的正確性、一致性和有效性。5SQLSERVER中的事務(wù)處理控制語(yǔ)句,ROLLBACKTRANSACTION實(shí)現(xiàn)回滾一個(gè)事務(wù)。1數(shù)據(jù)庫(kù)系統(tǒng)的三級(jí)模式結(jié)構(gòu)是指數(shù)據(jù)庫(kù)系統(tǒng)由外模式、模式和內(nèi)模式三級(jí)抽象模式構(gòu)成。2進(jìn)行數(shù)據(jù)庫(kù)備份時(shí),必須同時(shí)復(fù)制主數(shù)據(jù)文件和事務(wù)日志文件。3“實(shí)體一聯(lián)系”方法是描述數(shù)據(jù)庫(kù)概念模型的主要方法,一般稱這種方法為ER方法(或ER圖方法)。4用戶使用SQLSERVER數(shù)據(jù)庫(kù)時(shí),一般需要經(jīng)過(guò)兩個(gè)安全性階段身份驗(yàn)證和權(quán)限認(rèn)證。1SQL語(yǔ)言共分為四大類,即數(shù)據(jù)定義語(yǔ)言,數(shù)據(jù)查詢語(yǔ)言,數(shù)據(jù)操縱語(yǔ)言和數(shù)據(jù)控制語(yǔ)言。2能夠惟一標(biāo)識(shí)某條記錄的屬性稱為主鍵。3關(guān)系的規(guī)范化程度可分為多個(gè)級(jí)別,但通常只需要達(dá)到第三范式即可。4備份是指將數(shù)據(jù)從硬盤(pán)復(fù)制到可移動(dòng)媒體上的過(guò)程。1能夠惟一表示數(shù)據(jù)表中的每條記錄的字段或者字段的組合稱為主碼或主鍵()。2SQLSERVER數(shù)據(jù)庫(kù)中的NULL值(空值)表示的是“空格”或“0”值()3一個(gè)不規(guī)范的關(guān)系模式通常會(huì)引發(fā)插入異常、刪除異常和更新異常,導(dǎo)致大量的數(shù)據(jù)冗余。()4根據(jù)索引的特點(diǎn),應(yīng)該對(duì)那些數(shù)據(jù)量大、查詢頻度較高、實(shí)時(shí)性要求強(qiáng)的基本表創(chuàng)建索引,()5數(shù)據(jù)庫(kù)設(shè)計(jì)是指對(duì)于一個(gè)給定的應(yīng)用環(huán)境,構(gòu)造最優(yōu)的數(shù)據(jù)庫(kù)模式,建立數(shù)據(jù)庫(kù)及其應(yīng)用系統(tǒng),有效存儲(chǔ)數(shù)據(jù),滿足用戶信息要求和處理要求。()6參照完整性規(guī)則通常是指在兩個(gè)參照和被參照關(guān)系中,參照關(guān)系中每條記錄的外鍵或者為空,或者等于被參照關(guān)系中某條記錄的主鍵。()1數(shù)據(jù)流圖是需求分析的常用工具之一,人們也經(jīng)常稱它為DFD圖()。2數(shù)據(jù)庫(kù)中只有一個(gè)模式,也只有一個(gè)內(nèi)模式,所以模式內(nèi)模式映像是惟一的。()。3SQLSERVER數(shù)據(jù)庫(kù)中的NULL值(空值)表示的是“空格”或“0”值()4SQLSERVER中的TEMPDB數(shù)據(jù)庫(kù)是一個(gè)臨時(shí)數(shù)據(jù)庫(kù),屬用戶數(shù)據(jù)庫(kù)()5SQL雖被稱為“查詢語(yǔ)言”,其功能卻不僅僅限于查詢()1計(jì)算機(jī)數(shù)據(jù)處理技術(shù)大致經(jīng)歷了人工管理、文件管理和SQLSERVER數(shù)據(jù)庫(kù)管理三大階段()。2能夠惟一表示數(shù)據(jù)表中的每條記錄的字段或者字段的組合稱為主碼或主鍵()。3SQLSERVER數(shù)據(jù)庫(kù)中的NULL值(空值)表示的是“空格”或“0”值()4一個(gè)不規(guī)范的關(guān)系模式通常會(huì)引發(fā)插入異常、刪除異常和更新異常,導(dǎo)致大量的數(shù)據(jù)冗余。()5目前的關(guān)系數(shù)據(jù)庫(kù)系統(tǒng)一般都支持標(biāo)準(zhǔn)SQL語(yǔ)句()1DELETETABLE的功能是刪除表結(jié)構(gòu)。()2在教師任課關(guān)系(教師編號(hào),教師姓名,教師職稱,課程號(hào),課程名,課時(shí)費(fèi))中,主鍵是教師編號(hào)。()3觸發(fā)器是一種特殊的存儲(chǔ)過(guò)程,它基于一個(gè)表創(chuàng)建,可以針對(duì)多個(gè)表進(jìn)行操作。()4做結(jié)構(gòu)設(shè)計(jì)時(shí),要盡量使設(shè)計(jì)符合第三范式的要求。()5登錄賬號(hào)用于身份驗(yàn)證,用戶賬號(hào)用于權(quán)限驗(yàn)證。()請(qǐng)您刪除一下內(nèi)容,O_O謝謝2016年中央電大期末復(fù)習(xí)考試小抄大全,電大期末考試必備小抄,電大考試必過(guò)小抄BASKETBALLCANMAKEATRUECLAIMTOBEINGTHEONLYMAJORSPORTTHATISANAMERICANINVENTIONFROMHIGHSCHOOLTOTHEPROFESSIONALLEVEL,BASKETBALLATTRACTSALARGEFOLLOWINGFORLIVEGAMESASWELLASTELEVISIONCOVERAGEOFEVENTSLIKETHENATIONALCOLLEGIATEATHLETICASSOCIATIONNCAAANNUALTOURNAMENTANDTHENATIONALBASKETBALLASSOCIATIONNBAANDWOMENSNATIONALBASKETBALLASSOCIATIONWNBAPLAYOFFSANDITHASALSOMADEAMERICANHEROESOUTOFITSPLAYERANDCOACHLEGENDSLIKEMICHAELJORDAN,LARRYBIRD,EARVIN“MAGIC“JOHNSON,SHERYLSWOOPES,ANDOTHERGREATPLAYERSATTHEHEARTOFTHEGAMEISTHEPLAYINGSPACEANDTHEEQUIPMENTTHESPACEISARECTANGULAR,INDOORCOURTTHEPRINCIPALPIECESOFEQUIPMENTARETHETWOELEVATEDBASKETS,ONEATEACHENDINTHELONGDIRECTIONOFTHECOURT,ANDTHEBASKETBALLITSELFTHEBALLISSPHERICALINSHAPEANDISINFLATEDBASKETBALLSRANGEINSIZEFROM28530IN7276CMINCIRCUMFERENCE,ANDINWEIGHTFROM1822OZ510624GFORPLAYERSBELOWTHEHIGHSCHOOLLEVEL,ASMALLERBALLISUSED,BUTTHEBALLINMENSGAMESMEASURES29530IN7576CMINCIRCUMFERENCE,ANDAWOMENSBALLIS28529IN7274CMINCIRCUMFERENCETHECOVERINGOFTHEBALLISLEATHER,RUBBER,COMPOSITION,ORSYNTHETIC,ALTHOUGHLEATHERCOVERSONLYAREDICTATEDBYRULESFORCOLLEGEPLAY,UNLESSTHETEAMSAGREEOTHERWISEORANGEISTHEREGULATIONCOLORATALLLEVELSOFPLAY,THEHOMETEAMPROVIDESTHEBALLINFLATIONOFTHEBALLISBASEDONTHEHEIGHTOFTHEBALLSBOUNCEINSIDETHECOVERINGORCASING,ARUBBERBLADDERHOLDSAIRTHEBALLMUSTBEINFLATEDTOAPRESSURESUFFICIENTTOMAKEITREBOUNDTOAHEIGHTMEASUREDTOTHETOPOFTHEBALLOF4954IN1214MWHENITISDROPPEDONASOLIDWOODENFLOORFROMASTARTINGHEIGHTOF6FT180MMEASUREDFROMTHEBOTTOMOFTHEBALLTHEFACTORYMUSTTESTTHEBALLS,ANDTHEAIRPRESSURETHATMAKESTHEBALLLEGALINKEEPINGWITHTHEBOUNCETESTISSTAMPEDONTHEBALLDURINGTHEINTENSITYOFHIGHSCHOOLANDCOLLEGETOURNEYSANDTHEPROFESSIONALPLAYOFFS,THISINFLATEDSPHERECOMMANDSCONSIDERABLEATTENTIONBASKETBALLISONEOFFEWSPORTSWITHAKNOWNDATEOFBIRTHONDECEMBER1,1891,INSPRINGFIELD,MASSACHUSETTS,JAMESNAISMITHHUNGTWOHALFBUSHELPEACHBASKETSATTHEOPPOSITEENDSOFAGYMNASIUMANDOUTLINED13RULESBASEDONFIVEPRINCIPLESTOHISSTUDENTSATTHEINTERNATIONALTRAININGSCHOOLOFTHEYOUNGMENSCHRISTIANASSOCIATIONYMCA,WHICHLATERBECAMESPRINGFIELDCOLLEGENAISMITH18611939WASAPHYSICALEDUCATIONTEACHERWHOWASSEEKINGATEAMSPORTWITHLIMITEDPHYSICALCONTACTBUTALOTOFRUNNING,JUMPING,SHOOTING,ANDTHEHANDEYECOORDINATIONREQUIREDINHANDLINGABALLTHEPEACHBASKETSHEHUNGASGOALSGAVETHESPORTTHENAMEOFBASKETBALLHISSTUDENTSWEREEXCITEDABOUTTHEGAME,ANDCHRISTMASVACATIONGAVETHEMTHECHANCETOTELLTHEIRFRIENDSANDPEOPLEATTHEIRLOCALYMCASABOUTTHEGAMETHEASSOCIATIONLEADERSWROTETONAISMITHASKINGFORCOPIESOFTHERULES,ANDTHEYWEREPUBLISHEDINTHETRIANGLE,THESCHOOLNEWSPAPER,ONJANUARY15,1892NAISMITHSFIVEBASICPRINCIPLESCENTERONTHEBALL,WHICHWASDESCRIBEDAS“LARGE,LIGHT,ANDHANDLEDWITHTHEHANDS“PLAYERSCOULDNOTMOVETHEBALLBYRUNNINGALONE,ANDNONEOFTHEPLAYERSWASRESTRICTEDAGAINSTHANDLINGTHEBALLTHEPLAYINGAREAWASALSOOPENTOALLPLAYERS,BUTTHEREWASTOBENOPHYSICALCONTACTBETWEENPLAYERSTHEBALLWASTHEOBJECTIVETOSCORE,THEBALLHADTOBESHOTTHROUGHAHORIZONTAL,ELEVATEDGOALTHETEAMWITHTHEMOSTPOINTSATTHEENDOFANALLOTTEDTIMEPERIODWINSEARLYINTHEHISTORYOFBASKETBALL,THELOCALYMCASPROVIDEDTHEGYMNASIUMS,ANDMEMBERSHIPINTHEORGANIZATIONGREWRAPIDLYTHESIZEOFTHELOCALGYMDICTATEDTHENUMBEROFPLAYERSSMALLERGYMSUSEDFIVEPLAYERSONASIDE,ANDTHELARGERGYMSALLOWEDSEVENTONINETHETEAMSIZEBECAMEGENERALLYESTABLISHEDASFIVEIN1895,AND,IN1897,THISWASMADEFORMALINTHERULESTHEYMCALOSTINTERESTINSUPPORTINGTHEGAMEBECAUSE1020BASKETBALLPLAYERSMONOPOLIZEDAGYMNASIUMPREVIOUSLYUSEDBYMANYMOREINAVARIETYOFACTIVITIESYMCAMEMBERSHIPDROPPED,ANDBASKETBALLENTHUSIASTSPLAYEDINLOCALHALLSTHISLEDTOTHEBUILDINGOFBASKETBALLGYMNASIUMSATSCHOOLSANDCOLLEGESANDALSOTOTHEFORMATIONOFPROFESSIONALLEAGUESALTHOUGHBASKETBALLWASBORNINTHEUNITEDSTATES,FIVEOFNAISMITHSORIGINALPLAYERSWERECANADIANS,ANDTHEGAMESPREADTOCANADAIMMEDIATELYITWASPLAYEDINFRANCEBY1893ENGLANDIN1894AUSTRALIA,CHINA,ANDINDIABETWEEN1895AND1900ANDJAPANIN1900FROM1891THROUGH1893,ASOCCERBALLWASUSEDTOPLAYBASKETBALLTHEFIRSTBASKETBALLWASMANUFACTUREDIN1894ITWAS32IN81CMINCIRCUMFERENCE,ORABOUT4IN10CMLARGERTHANASOCCERBALLTHEDEDICATEDBASKETBALLWASMADEOFLACEDLEATHERANDWEIGHEDLESSTHAN20OZ567GTHEFIRSTMOLDEDBALLTHATELIMINATEDTHENEEDFORLACESWASINTRODUCEDIN1948ITSCONSTRUCTIONANDSIZEOF30IN76CMWERERULEDOFFICIALIN1949THERULESETTERSCAMEFROMSEVERALGROUPSEARLYINTHE1900SCOLLEGESANDUNIVERSITIESESTABLISHEDTHEIRRULESCOMMITTEESIN1905,THEYMCAANDTHEAMATEURATHLETICUNIONAAUCREATEDASETOFRULESJOINTLY,STATEMILITIAGROUPSABIDEDBYASHAREDSETOFRULES,ANDTHEREWERETWOPROFESSIONALSETSOFRULESAJOINTRULESCOMMITTEEFORCOLLEGES,THEAAU,ANDTHEYMCAWASCREATEDIN1915,AND,UNDERTHENAMETHENATIONALBASKETBALLCOMMITTEENBCMADERULESFORAMATEURPLAYUNTIL1979INTHATYEAR,THENATIONALFEDERATIONOFSTATEHIGHSCHOOLASSOCIATIONSBEGANGOVERN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