Hướng dẫn sử dụng MySQL part 5 pps

... Inc. 8$ ls -l . . -rw-rw 1 mysql mysql 203 Aug 5 17: 45 odin-bin.001 -rw-rw 1 mysql mysql 73 Aug 5 17: 45 odin-bin.002 -rw-rw 1 mysql mysql 30 Aug 5 17: 45 odin-bin.index . . . $ cat ... data directory, we’ll see: $ cd /usr/local /mysql/ data $ ls -l . . -rw-rw 1 mysql mysql 73 Aug 5 17:06 odin-bin.001 -rw-rw 1 mysql mysql 15 Aug 5 17:06 odin-bin.index . . If we inspect ... UNIX system, you can use safe_mysqld to automatically start MySQL at boot. safe_mysqld is found in the bin directory of your MySQL installation (usually /usr/local /mysql/ bin). DRAFT, 8/17/01...

Hướng dẫn sử dụng MySQL part 7 pps

... rest of the MySQL installation • The MySQL server should run as a special user and group Since any user who has access to the MySQL data files has access to the MySQL data, the MySQL server ... user, created just for MySQL. The default MySQL installation does this by creating a mysql user and a mysql group. This user and this group have full access to the MySQL data and should ... of flaw with either the MySQL network protocol or the MySQL server code itself. The MySQL network protocol is an open protocol that can be examined by any interested party. Although the protocol...

Hướng dẫn sử dụng MySQL part 21 pps

... in the file .mysqlrc */ mysql_ options(& ;mysql, MYSQL_ OPT_COMPRESS, 0 ); mysql_ options(& ;mysql, MYSQL_ INIT_COMMAND, "SHOW tables" ); mysql_ options(& ;mysql, MYSQL_ READ_DEFAULT_FILE, ... */ MYSQL *mysql; mysql = mysql_ init(NULL); if ( !mysql) { printf("Error initializing MySQL client\n"); exit(1); } mysql_ insert_id my_ulonglong mysql_ insert_id (MYSQL *mysql) ... mysql_ fetch_field MYSQL_ FIELD *mysql_ fetch_field (MYSQL_ RES *result) DRAFT, 8/24/01 Copyright  2001 O’Reilly & Associates, Inc. 15 mysql_ list_dbs MYSQL_ RES *mysql_ list_dbs (MYSQL *mysql, const...

Hướng dẫn sử dụng MySQL part 1 ppt

... andsupport of MySQL. MySQL AB is a Swedish company run by MySQL s core devel-opers. MySQL AB owns the copyright to MySQL as well as the trademark MySQL .Since the initial Internet release of MySQL, ... and contents of a MySQL database or table to a file.mysqlhotcopyPerforms a hot backup of a MySQL database.mysqlimportImports data in different file formats into a MySQL tablemysqlshowShows ... in a file.mysqlaccessManages users.mysqladminEnables you to manage the database server, including the creation and dele-tion of databases.mysqldThe actual MySQL server process.mysqldumpDumps...

Hướng dẫn sử dụng MySQL part 2 pot

... one popular database product: MySQL. We start by introducing you to relational databases and MySQL. We then proceed to show you how to get up and running with MySQL and how to administer it. ... 0-201 -54 239-X An Introduction to Database Systems C.J. Date 0-876 85- 086-7 Post Office Charles Bukowski 0-941423-38-7 The Man with the Golden Arm Nelson Algren Table 1-3 and Table 1 -5 demonstrate ... get up and running with MySQL and how to administer it. The rest of the book covers the use of MySQL to design, build and support the type of applications important to users like you. What...

Hướng dẫn sử dụng MySQL part 3 docx

... /usr/local /mysql $ chgrp –R mysql /usr/local /mysql Set the ownership of the data directories to the MySQL administrative user you created earlier (for this example, mysql) . $ chown –R mysql /usr/local /mysql/ data ... software MySQL- client-<VERSION>.i386.rpm The MySQL client software MySQL- bench-<VERSION>.i386.rpm MySQL tests and benchmarks. This requires the perl and msql -mysql- modules RPMs. MySQL- devel-<VERSION>.i386.rpm ... /usr/local /mysql $ chgrp –R mysql /usr/local /mysql Set the ownership of the data directories to the MySQL administrative user you created earlier (for this example, mysql) . $ chown –R mysql /usr/local /mysql/ data...

Hướng dẫn sử dụng MySQL part 4 ppt

... MySQL Character TypesData TypeStorage for a 144Character StringStorage for a 30Character StringMaximum StringSizeCHAR( 150 ) 150 150 255 VARCHAR( 150 ) 1 45 31 255 TINYTEXT( 150 ) 1 45 31 255 TEXT( 150 ) ... 255 VARCHAR( 150 ) 1 45 31 255 TINYTEXT( 150 ) 1 45 31 255 TEXT( 150 ) 146 32 655 35 MEDIUMTEXT( 150 ) 147 33 167772 15 LONGTEXT( 150 ) 148 34 42949672 95 DRAFT, 8/20/01Copyright © 2001 O’Reilly & Associates, ... of theirsigned counterparts. An unsigned TINYINT MySQL s single bytenumeric type—has a range of 0 to 255 instead of the -127 to 127range of its signed counterpart. MySQL provides more types...

Hướng dẫn sử dụng MySQL part 6 docx

... state table. It will then read each of the 250 0 city rows and look for a city named “San Francisco”. This means that it will read a total of 1 25, 000 (50 x 250 0) rows before it can satisfy the query. ... index that MySQL choose. Key is NULL if no index was chosen. Key_len Key_len lists the length of the index that MySQL choose. This also indicates how many parts of a multi-column index MySQL choose ... NULL | NULL | NULL | NULL | 50 | | | city | ALL | NULL | NULL | NULL | NULL | 250 0 | where used | + + + + + + + + + The numbers in the “rows” column tell us that MySQL is going to read each...

Hướng dẫn sử dụng MySQL part 8 potx

... one department at a time, so Employee has a one and only one relationship with Department. In the other direction, a department is responsible for many employees. We therefore say Department ... CD_ID INT primary key CD_TITLE VARCHAR (50 ) ARTIST ARTIST_ID INT primary key ARTIST_NAME VARCHAR (50 ) SONG SONG_ID INT primary key SONG_NAME VARCHAR (50 ) SONG_LENGTH TIME RECORD_LABEL RECORD_LABEL_ID ... hypo-thetical entities, an Employee and a Department. One possible relationship between the two is that an Employee is “assigned to” a Department. That Department is “responsible for” an Employee....

Hướng dẫn sử dụng MySQL part 9 docx

... recently, MySQL had no support for transactions. In other words, when youexecuted a SQL statement under old versions of MySQL, it took effect immedi-ately. This behavior is still the default for MySQL. ... tothis question.Under MySQL, the right answer currently is to put the processing in the client dueto the lack of stored procedure support in MySQL. Stored procedures are on the MySQL to-do list, ... databases—including MySQL have no way of modeling inher-itance.Think about an address book application. You would probably have somethinglike the address and person tables shown in Figure 9 -5. The least...

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