Hướng dẫn sử dụng MySQL part 7 pps
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 sho...
Hướng dẫn sử dụng MySQL part 5 pps
... 8/ 17/ 01
Copyright
2001 O’Reilly & 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 ... 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...
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 mysq...
Hướng dẫn sử dụng MySQL part 1 ppt
... 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...
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. ... 8/ 17/ 01
Copyright
2001 O’Reilly & Associates, Inc.
3
ISBN Title Author
0-446- 674 24-9 L.A. Confidential James Ellroy
0-201-54239-X An Introduction to Database Systems C.J. Date
0...
Hướng dẫn sử dụng MySQL part 3 docx
... 1 user users 1 976 Jul 18 14:19 README
drwxr-xr-x 2 user users 1024 Jul 18 17: 07 bin/
-rwxr-xr-x 1 user users 77 3 Jul 18 17: 07 configure*
drwxr-x 4 user users 1024 Jul 26 18: 27 data/
drwxr-xr-x ... users 804 87 Jul 18 14:21 manual_toc.html
drwxr-xr-x 6 user users 1024 Jul 18 17: 07 mysql- test/
drwxr-xr-x 2 user users 1024 Jul 18 17: 07 scripts/
drwxr-xr-x 3 user users 1024...
Hướng dẫn sử dụng MySQL part 4 ppt
... 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 -1 27 to 1 27
range of its signed counterpart.
MySQL provid...
Hướng dẫn sử dụng MySQL part 6 docx
... 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...
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 ... 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 Employe...
Hướng dẫn sử dụng MySQL part 9 docx
... 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. ... to
this question.
Under MySQL, the right answer currently is to put the processing in the client due
to the lack of stored procedure support in MySQL. Stored procedures are on the...