. 13 sqliteSetBusyHandler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Index 16 datasetsDb A sample sqlite database Description This database is bundled with the package RSQLite::datasetsDb() RSQLite::sqliteCopyDatabase(db, con) dbDisconnect(db) dbListTables(con) dbDisconnect(con) 14 sqliteSetBusyHandler sqliteSetBusyHandler Configure what SQLite should do when the database is locked 10 SQLiteConnection, 4, 5, 7, 9, 11, 12, 14 sqliteCopyDatabase, 13 SQLiteDriver, 12 sqliteIsTransacting (dbBegin_SQLiteConnection), 4 sqliteSetBusyHandler, 14 16

目录库文件中删除备份信息 ......................................... 14 关于还原 SQLite 备份 .................................................................... 14 执行 SQLite 备份还原 ........................................ 作为必需参数启动还原操作。参数 -id 和 -C 是可选参数。 参数 -id 使用指定的备份映像名称还原备份。参数 -C 列出指定客户端上存在的所 有备份。如果未指定客户端，则其默认为 NetBackup 主服务器。 14 NetBackup for SQLite 备份和还原 从 NetBackup 目录库文件中删除备份信息 图 3-2 NetBackup for SQLite 还原工作流程 存储单元 NetBackup

prevention ................................................ 14 5.2.5. SQLite "INTEGER PRIMARY KEY" columns .............................................. 14 6. Quarantined Packages ........................... Lew and the server all at version 1 of the database, which contains no rows. Conflict Resolution 14 • Phil does: INSERT INTO foo (a,b,c) VALUES ('rose', 16, 3.14159); • Lew does: INSERT INTO foo

13 DQL - Data Query Language: .................................................................. 14 SQLite Installation .................................................................. 15 Install usage of SQLite Boolean Expressions: sqlite> SELECT * FROM COMPANY WHERE SALARY = 10000; CHAPTER 14 TUTORIALS POINT Simply Easy Learning ID NAME AGE ADDRESS SALARY Column 0 2 12 Column 0 3 13 Column 0 4 14 RealAffini 0 0 15 Callback 5 0 16 Next

DB .dump： 先压缩后加密 → 压缩率高 48 48 6.5 大小(MB) 3.2 3.2 92 恢复耗时(秒) 复制 + 压缩 Backup + 压缩 dump + 压缩 14 32 18 备份耗时(秒) ◊ 基于 dump + 压缩 ◊ 加密保存 ◊ 自定义二进制格式 ◊ 多线程流水线 ◊ 只备份不可恢复数据 ◊ 灭屏充电时备份 我们的方案 性能效果 损坏情况 41% 59% 表损坏 初始化失败 可以打开 数据部分损坏 无法打开 数据可能没坏 SQLite 文件格式 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 DB 文件 1 4 10 13 12 Page (定长) B-tree 2 7 9 B-tree Header (100 – 16 bytes) SQLite Header

a2, ... an 
 from t1, t2, ... tm 
 where predicate
 [order by ....]
 [group by ...]
 [having ...] 14 A lot more to learn! Oracle, MySQL, PostgreSQL, etc.
 Highly recommend taking 
 CS 4400 Introduction

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Importing IMBD movie database (3/4) By pressing ok, you are executing 4407 SQL commands. How come? 14 Importing IMBD movie database (4/4) 1. Type your queries Now you can see the 7 newly created tables

" cur.execute(sql) rows = cur.fetchall() numHosts = [row["numHosts"] for row in rows] 14 Using SQLite Result File from Python 3 Plot the same chart in Python: fig1 = plt.figure()

• e.g., INSERT INTO files (data, size, title)
 VALUES (“image0.jpg”, 102400, “image0”); 14 _id _data _size title … 1 a.jpg 10000 a 2 b.bmp 20000 b 3 c.mp3 320000 c 4 d.avi 12312000 d 5