目錄
目錄.......................................................................................................................................... 1
譯者的話............................................................................................................................. 14
第一周概貌............................................................................................................................. 16
從這里開始............................................................................................................. 16
第一天SQL 簡介.................................................................................................................. 17
SQL 簡史................................................................................................................ 17
數據庫簡史............................................................................................................. 17
設計數據庫的結構................................................................................................... 21
SQL 總覽......................................................................................................... 23
流行的SQL 開發工具....................................................................................... 24
SQL 在編程中的應用........................................................................................ 27
第二天查詢— — SELECT 語句的使用................................................................................... 30
目標.................................................................................................................... 30
背景................................................................................................................. 30
一般的語法規則............................................................................................... 30
你的第一個查詢............................................................................................... 33
總結.................................................................................................................... 37
問與答................................................................................................................. 38
校練場.................................................................................................................... 38
練習.................................................................................................................... 39
第三天表達式條件語句與運算.......................................................................................... 40
第四天函數對數據的進一步處理....................................................................................... 60
目標.................................................................................................................... 60
匯總函數................................................................................................................. 60
COUNT............................................................................................................ 61
SUM ................................................................................................................ 61
AVG................................................................................................................. 63
MAX................................................................................................................ 63
MIN................................................................................................................. 64
VARIANCE...................................................................................................... 65
STDDEV.......................................................................................................... 66
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日期/時間函數......................................................................................................... 66
ADD_MONTHS................................................................................................ 67
LAST_DAY...................................................................................................... 68
MONTHS_BETWEEN....................................................................................... 69
NEW_TIME...................................................................................................... 70
NEXT_DAY...................................................................................................... 71
SYSDATE......................................................................................................... 72
數學函數................................................................................................................. 72
ABS ................................................................................................................. 73
CEIL 和FLOOR ............................................................................................... 73
COS COSH SIN SINH TAN TANH........................................................ 73
EXP................................................................................................................. 75
LN and LOG..................................................................................................... 75
MOD................................................................................................................ 76
POWER............................................................................................................ 77
SIGN ............................................................................................................... 77
SQRT ............................................................................................................... 78
字符函數................................................................................................................. 79
CHR................................................................................................................. 79
CONCAT .......................................................................................................... 79
INITCAP.......................................................................................................... 80
LOWER 和UPPER ........................................................................................... 81
LPAD 與RPAD................................................................................................. 82
LTRIM 與RTRIM............................................................................................. 83
REPLACE ........................................................................................................ 84
SUBSTR........................................................................................................... 85
TRANSLATE.................................................................................................... 88
INSTR ............................................................................................................. 88
LENGTH.......................................................................................................... 89
轉換函數................................................................................................................. 89
TO_CHAR........................................................................................................ 90
TO_NUMBER................................................................................................... 91
其它函數................................................................................................................. 91
GREATEST 與LEAST...................................................................................... 91
USER............................................................................................................... 92
總結........................................................................................................................ 92
問與答.................................................................................................................... 93
校練場.................................................................................................................... 93
練習........................................................................................................................ 94
第五天SQL 中的子句........................................................................................................... 95
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目標.................................................................................................................... 95
WHERE 子句.......................................................................................................... 96
STARTING WITH子句............................................................................................ 98
ORDER BY 子句..................................................................................................... 99
GROUP BY 子句....................................................................................................104
HAVING 子句.........................................................................................................109
子句的綜合應用.....................................................................................................112
總結.......................................................................................................................117
問與答...................................................................................................................117
校練場...................................................................................................................117
練習.......................................................................................................................118
第六天表的聯合..................................................................................................................119
介紹.......................................................................................................................119
在一個SELECT 語句中使用多個表.........................................................................119
正確地找到列..................................................................................................123
等值聯合................................................................................................................124
不等值聯合............................................................................................................129
外部聯合與內部聯合..............................................................................................130
表的自我聯合.........................................................................................................132
總結.......................................................................................................................134
問與答...................................................................................................................134
校練場...................................................................................................................134
練習.......................................................................................................................135
第七天子查詢內嵌的SQL 子句........................................................................................136
目標...................................................................................................................136
建立一個子查詢.....................................................................................................136
在子查詢中使用匯總函數.......................................................................................140
子查詢的嵌套.........................................................................................................141
相關子查詢............................................................................................................144
EXISTS ANY ALL 的使用.................................................................................147
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總結.......................................................................................................................151
問與答...................................................................................................................151
校練場...................................................................................................................152
練習...................................................................................................................153
第一周回顧............................................................................................................................154
預覽.......................................................................................................................154
第二周概貌............................................................................................................................155
這一周都講些什么..................................................................................................155
第八天操作數據..................................................................................................................156
目標.......................................................................................................................156
數據操作語句.........................................................................................................156
插入語句................................................................................................................157
INSERT VALUES 語句.....................................................................................157
INSERT SELECT 語句.....................................................................................161
UPDATE語句........................................................................................................163
DELETE 語句.........................................................................................................166
從外部數據源中導入和導出數據.............................................................................169
Microsoft Access ..............................................................................................170
Microsoft and Sybase SQL Server ......................................................................171
Personal Oracle7...............................................................................................171
總結.......................................................................................................................172
問與答...................................................................................................................172
校練場...................................................................................................................173
練習.......................................................................................................................173
第九天創建和操作表...........................................................................................................174
目標...................................................................................................................174
CREATE DATABASE 語句......................................................................................174
建立數據庫時的選項.......................................................................................175
設計數據庫.....................................................................................................176
建立數據字典..................................................................................................176
建立關鍵字段..................................................................................................177
CREATE TABLE 語句.............................................................................................178
表名................................................................................................................179
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FIRST NAME..................................................................................................179
空值屬性.........................................................................................................180
唯一屬性.........................................................................................................181
表的存儲與尺寸的調整....................................................................................183
用一個已經存在的表來建表.............................................................................184
ALTER TABLE 語句...............................................................................................185
DROP TABLE 語句.................................................................................................186
DROP DATABASE語句..........................................................................................187
總結.......................................................................................................................188
問與答...................................................................................................................188
校練場...................................................................................................................189
練習.......................................................................................................................190
第10 天創建視圖和索引.......................................................................................................191
目標.......................................................................................................................191
使用視圖................................................................................................................192
列的重命名.....................................................................................................196
SQL 對視圖的處理過程...................................................................................197
在SELECT 語句使用約束................................................................................201
在視圖中修改數據...........................................................................................201
在視圖中修改數據的幾個問題.........................................................................203
通用應用程序的視圖.......................................................................................204
刪除視圖語句..................................................................................................207
使用索引................................................................................................................207
什么是索引..................................................................................................207
使用索引的技巧..............................................................................................212
對更多的字段進行索引....................................................................................212
在創建索引時使用UNIQUE 關鍵字.................................................................214
索引與歸并.....................................................................................................216
群集簇的使用...........................................................................................217
總結.......................................................................................................................218
問與答................................................................................................................219
校練場...................................................................................................................219
練習...................................................................................................................220
第11 天事務處理控制.........................................................................................................221
目標...................................................................................................................221
事務控制................................................................................................................221
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銀行應用程序..................................................................................................222
開始事務處理..................................................................................................223
結束事務處理..................................................................................................225
取消事務處理..................................................................................................228
在事務中使用保存點.......................................................................................231
總結.......................................................................................................................234
問與答...................................................................................................................234
校練場...................................................................................................................235
練習.......................................................................................................................235
第12 天數據庫安全............................................................................................................236
前提數據庫管理員..............................................................................................236
流行的數據庫產品與安全.......................................................................................237
如何讓一個數據庫變得安全....................................................................................237
Personal Oracle7 與安全..........................................................................................238
創建用戶.........................................................................................................238
創建角色.........................................................................................................240
用戶權限.........................................................................................................242
為安全的目的而使用視圖................................................................................247
總結.......................................................................................................................251
問與答...................................................................................................................252
校練場...................................................................................................................252
練習.......................................................................................................................253
第13 天高級 SQL.................................................................................................................254
目標...................................................................................................................254
臨時表...................................................................................................................254
Title ................................................................................................................257
游標.......................................................................................................................259
創建游標.........................................................................................................260
打開游標.........................................................................................................260
使用游標來進行翻閱.......................................................................................261
測試游標的狀態..............................................................................................262
關閉游標.........................................................................................................263
游標的適用范圍..............................................................................................264
創建和使用存貯過程..............................................................................................265
在存貯過程中使用參數....................................................................................267
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刪除一個存貯過程...........................................................................................269
存貯過程的嵌套..............................................................................................270
設計和使用觸發機制..............................................................................................272
觸發機制與事務處理.......................................................................................273
使用觸發機制時的限制....................................................................................275
觸發機制的嵌套..............................................................................................275
在選擇語句中使用更新和刪除................................................................................275
在執行前測試選擇語句....................................................................................276
嵌入型SQL............................................................................................................277
靜態SQL 與動態SQL.....................................................................................277
使用SQL 來編程....................................................................................................279
總結.......................................................................................................................280
問與答...................................................................................................................280
校練場...................................................................................................................280
練習.......................................................................................................................281
第14 天動態使用SQL ........................................................................................................282
目標.......................................................................................................................282
快速入門................................................................................................................282
ODBC .............................................................................................................282
Personal Oracle 7..............................................................................................283
InterBase SQL ISQL ...................................................................................283
Visual C++ ......................................................................................................284
Delphi.............................................................................................................284
設置.......................................................................................................................284
創建數據庫............................................................................................................285
使用MS QUERY 來完成鏈接..................................................................................290
將VISUAL C++與SQL 結合使用...........................................................................292
將DELPHI 與SQL 結合使用..................................................................................296
總結.......................................................................................................................302
問與答...................................................................................................................303
校練場...................................................................................................................303
練習.......................................................................................................................303
第二周回顧............................................................................................................................304
第三周概貌.................................................................................................................. |
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