Hướng dẫn sử dụng MySQL part 16 pdf

... Inc. MAKE_SET( bits , string1 , string2 , ) Creates a MySQL SET based on the binary representation of a number by mapping the on bits in the number to string values. Example: mysql& gt; SELECT MAKE_SET(5, "a", ... complex expressions, the sub-expressions are evaluated based on MySQL s rules of precedence. Of course, you may always override MySQL s rules of precedence by enclosi...

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] ... available for MySQL. Of course, you are also able to use any sort of ODBC bridge to talk to MySQL as well—but we do not re...

Ngày tải lên: 02/07/2014, 12:20

... authentication. There are actually several internal tables that are created as part of every MySQL server installation. MySQL uses these tables for a variety of purposes. Columns_Priv + + + + ... DRAFT, 8/24/01 Copyright  2001 O’Reilly & Associates, Inc. 1 21 MySQL System Tables In Chapter XXX: Security we saw how MySQL used its own internal tables to store the access...

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

... 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

... 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

... 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

... 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 ... sec) This tells us that MySQL will scan all rows in the MySQL table to satisfy the query. This is indicated by the join type of “ALL”. The rows column tells us that MySQL estim...

Ngày tải lên: 02/07/2014, 12:20

... 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 sho...

Ngày tải lên: 02/07/2014, 12:20