hướng dẫn sử dụng navicat for mysql

Ngày tải lên: 27/07/2014, 23:21

... sử dụng chỉnh sửa hay thêm bớt sau này chứ. Vào file-save thế là xong. HƯỚNG DẪN SỬ DỤNG PHẦN MỀM MICROSOFT PRODUCER FOR POWERPOINT 2003. I. Giới thiệu. II. Sử dụng A. KHỞI ĐỘNG PRODUCER FOR ... là mục dùng để import các file HTML. File HTML có tác dụng dùng để chú thích cho các file powerpoint bên trên. (Quý thầy(cô) sẽ xem hướng dẫn tạo file HTML ở mục sau). B. TẠO CHẤT LIỆU CHO SẢN ... chỉnh sửa giao diện trình chiếu ( vào Menu Edit chọn Presentation Scheme và tham khảo các chức năng trong đó. Những bước này thực hiện khá đơn giản. - Về ưu điểm của phần mềm Microsoft Producer for...

Ngày tải lên: 12/12/2013, 15:15

... nó cũng được sử dụng 1 cách đặc biệt. Để làm việc với NULL, chúng ta không sử dụng các toán tử so sánh thông thường như <, >, <>, =. Để hiểu rõ, xin thử như sau: mysql& gt; select ... Bạn mở tập tin pet.txt ra, sửa lại record bạn muốn sửa. Rồi đánh lệnh sau: mysql& gt; set autocommit=1; #dùng để tạo nhanh lại 1 bảng. mysql& gt; delete from pet; mysql& gt; load data infile ... f | 1989-05-13 | NULL | + + + + + + + Ngoài ra, mysql còn sử dụng "extended regular expresions" cho pattern matching. Khi sử dụng kiểu này, bạn thay LIKE và NOT LIKE thành REGEXP...

Ngày tải lên: 19/04/2014, 19:59

... 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 table mysqlshow Shows information ... MySQL AB at http://www .mysql. com. This change better enables its commercial control of the development and support of MySQL. MySQL AB is a Swedish company run by MySQL s core devel- opers. MySQL ... outcome, the official source of MySQL is MySQL AB at www .mysql. com. DRAFT, 8/20/01 Copyright © 2001 O’Reilly & Associates, Inc. mysql Executes SQL against MySQL. You can also use it to execute...

Ngày tải lên: 02/07/2014, 12:20

... expensive database prod- ucts for years. These full-featured, heavily optimized software systems are the only way for a big organization to manage its volumes of corporate information. Home computer ... is for you. This book introduces you to the world of small-scale database development through one popular database product: MySQL. We start by introducing you to relational databases and MySQL. ... between these two extremes has come into play. These persons maintain moderate-sized information sets required for small organizations, such as new businesses or nonprofit organizations. Alternatively,...

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 ... /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 ... with NO support for transactional tables. mysqld-nt Optimized binary with support for NT named pipes. mysqld-max Optimized binary with support for transactional tables. mysqld-max-nt Optimized...

Ngày tải lên: 02/07/2014, 12:20

... see dates formatted the way MySQL provides them by default. Fortunately, MySQL lets you format dates to your own liking using the DATE_FORMAT function. It takes a DATE or DATETIME and a format string ... 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 ... Commands end with ; or \g. Your MySQL connection id is 3 to server version: 3.22.29 Type 'help' for help. mysql& gt; The mysql command above says to connect to the MySQL server on the local machine...

Ngày tải lên: 02/07/2014, 12:20

... non-graceful shutdown of the MySQL server. MySQL provides two mechanisms for detecting for and repair table errors: myisamchk/isamchk and mysqlcheck It is a wise practice to perform these checks regularly. ... /usr/backups/testdb mysqldump has a number of other options that you can use to customize your backup. For a list of all the options available for mysqldump, type mysqldump –help, or refer to Chapter 20, MySQL ... line. This is the format you use to set a mysqld variable. (See Chapter for more information on system variables.) So know you know how to set up a configuration file for MySQL. But once you’ve...

Ngày tải lên: 02/07/2014, 12:20

... critical for performance. Read Chapter 8 for more details on database design and normalization. • Let the MySQL server do what it does well This seems obvious, but it is frequently overlooked. For ... the Chapter ?? for more information about this. Tuning the MySQL Server There are a number of settings you can tweak at the MySQL server level to influence application performance. One ... checked for each record (index map: #) MySQL was not able to identify a suitable index to use. For each combination of rows from the Using filesort MySQL has to sort the rows before retrieving...

Ngày tải lên: 02/07/2014, 12:20

... 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 never be used for ... your MySQL server while root has a blank password. Beyond the root user, MySQL also creates default permissions for any user connecting via localhost. By default, MySQL forbids everything for ... accessed. Therefore, any files containing data used by MySQL must be inaccessible by a normal user. However, we cannot simply make all MySQL- related files forbidden. Most of the MySQL files,...

Ngày tải lên: 02/07/2014, 12:20

... uniqueness. Example 2-1 is an example SQL script for creating the example database in MySQL. Example 2-1: An Example Script for Creating the CD Database in MySQL CREATE TABLE CD (CD_ID INT NOT NULL, ... Inc. 3 NULL provides the basis for the problem of dealing with missing information. It is specifically used for the case in which you lack a certain piece of information. As an example, consider ... KEY(RECORD_LABEL_ID)) Note that the “FOREIGN KEY” reference is not used in the script. This is because MySQL does not support FOREIGN KEY constraints. MySQL will allow you to embed them in...

Ngày tải lên: 02/07/2014, 12:20

... recently, MySQL had no support for transactions. In other words, when you executed a SQL statement under old versions of MySQL, it took effect immedi- ately. This behavior is still the default for MySQL. ... controller logic in the Web server. The simpler architecture is mostly relevant to MySQL applications since MySQL performs best for heavy read applications—applications without complex application logic. Connections ... price in terms of performance. MySQL did not originally support transactions because MySQL s goal was to provide a fast database engine. Transactions seriously impact database performance. In order...

Ngày tải lên: 02/07/2014, 12:20

... table of its own. Therefore, instead of adding data to an existing table, we have to create a while new table for each test. For we crate an ID for the new test using MySQL auto increment feature ... would contain several tables, one for class information, one for student information, one containing a list of tests, and a table for each test. MySQL& apos;s ability to access data across tables—such ... 'database'. For many of them, being able to list the available databases would not be as useful as it is for MySQL. For this reason, the DBI does not provide a standard method for listing the...

Ngày tải lên: 02/07/2014, 12:20

... can specify the format you wish to use by setting MySQLdb.paramstyle. The above example is MySQLdb.paramstyle = "format". The "format" value is the default for MySQLdb when a ... possible value for MySQLdb.paramstyle is "pyformat". This value is the default when you pass a Python mapping as the second argument. DB-API actually allows several other formats, but MySQLdb ... 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 for applications...

Ngày tải lên: 02/07/2014, 12:20

... mysql_ init() mysql_ insert_id() mysql_ list_dbs() mysql_ list_fields() mysql_ list_processes() mysql_ list_tables() mysql_ num_fields() mysql_ num_rows() mysql_ query() mysql_ real_query() mysql_ reload() ... mysql_ fetch_lengths() mysql_ fetch_row() mysql_ field_count() mysql_ field_seek() mysql_ free_result() mysql_ get_client_info() mysql_ get_host_info() mysql_ get_proto_into() mysql_ get_server_info() mysql_ init() ... MySQL file uses DRAFT, 9/10/01 Copyright  2001 O’Reilly & Associates, Inc. 2 mysql_ create_db() mysql_ data_seek() mysql_ drop_db() mysql_ eof() mysql_ error() mysql_ fetch_field() mysql_ fetch_lengths()...

Ngày tải lên: 02/07/2014, 12:20

... com.caucho.jdbc .mysql. Driver jdbc :mysql- caucho://HOST[:PORT]/DB GNU org.gjt.mm .mysql. Driver jdbc :mysql: //[HOST][:PORT]/ DB[?PROP1=VAL1][&PROP2=VAL2] twz twz1.jdbc .mysql. jdbc- MysqlDriver jdbc:z 1MySQL: //HOST[:PORT]/ DB[?PROP1=VAL1][&PROP2=VAL2] ... The protocol for the Caucho MySQL driver, for example, is mysql- caucho while the GNU driver uses mysql. The subprotocol provides the implementation-specific connection data. All MySQL drivers ... configuration information for the MySQL JDBC drivers. As you can see, the URLs for the GNU driver and twz driver are very different from the Caucho driver. As a general rule, the format of the...

Ngày tải lên: 02/07/2014, 12:20

Ngày tải lên: 02/07/2014, 12:20

Ngày tải lên: 02/07/2014, 12:20

Ngày tải lên: 02/07/2014, 12:20

Ngày tải lên: 02/07/2014, 12:20