Hướng dẫn sử dụng MySQL part 11 ppt

... may need access to MySQL- specific functionality.MySQLdb is actually built on top of the MySQL C API, and it exposes that API to programs that wish to use it. This ability is particularly useful ... objects in the database. Example 11- 4 contains the code for these business objects. FIGURE11-1.BMP Figure 11- 1. . The Data Model for the Manufacturing Database Example 11- 4. class Address...

Ngày tải lên: 02/07/2014, 12:20

... and support 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. mysqlhotcopy Performs a hot backup of a MySQL database. mysqlimport Imports data in different file formats into a MySQL ta...

Ngày tải lên: 02/07/2014, 12:20

... following tables already exist: mysql& gt; SHOW DATABASES; + + | Database | + + | mysql | | test | + + 2 rows in set (0.37 sec) mysql& gt; The first database, mysql, is MySQL s system database. You ... of their signed counterparts. An unsigned TINYINT MySQL s single byte numeric type—has a range of 0 to 255 instead of the -127 to 127 range of its signed counterpart. MySQL provides mor...

Ngày tải lên: 02/07/2014, 12:20

... you do not know a particu- lar piece of the date. Though MySQL is somewhat forgiving on the input format, your applications should actually attempt to format all date values in MySQL s native format ... avoid any confusion. MySQL always expects the year to be the left-most element of a date format. If you assign illegal values in a SQL operation, MySQL will insert zeroes for that value...

Ngày tải lên: 02/07/2014, 12:20

... given by the $mysql variable mysql_ drop_db( “otherdb”, $mysql ); ?> mysql_ errno • Return the last error code $error_code = mysql_ errno([ $mysql] ) mysql_ errno returns the MySQL- specific ... connect to MySQL on <?= mysql_ get_host_info() ?> mysql_ get_proto_info • Retrieves information about the protocol used in a MySQL connection $info = mysql_ get_proto_in...

Ngày tải lên: 02/07/2014, 12:20

... 8/24/01 Copyright © 2001 O’Reilly & Associates, Inc. ResultSet objects. For databases that do not support a particular kind of metadata, DatabaseMetaData will throw an SQLException. DatabaseMetaData methods ... throws SQLException Description: Returns the data that makes up the underlying binary object in part or in whole as an array of bytes. You can get a subset of the binary data by...

Ngày tải lên: 02/07/2014, 12:20

... CTRL+SHIFT+O     11 F1    ABBYY FineReader 11 ng dn s dng 97 n ti CTRL+F4  ...  ABBYY FineReader 11 ng dn s dng 7  11 ...

Ngày tải lên: 25/03/2014, 07:22

... 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. ... businesses or nonprofit organizations. Alternatively, such users may be a geographically isolated part of a larger company. Or they be individuals interested in maintaining complex personal...

Ngày tải lên: 02/07/2014, 12:20

... /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...

Ngày tải lên: 02/07/2014, 12:20

... Associates, 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 . . ... information. $ mysql mysql& gt; use test . . mysql& gt; insert into test (object_id, object_title) values (1, "test"); Query OK, 1 row affected (0.02 sec) mysql& gt; quit B...

Ngày tải lên: 02/07/2014, 12:20