Mysql your visual blueprint for creating open source databases- P16 ppt

287
MYSQL:
Your visual blueprint to open
source database management
RAND function, 121, 134
random numbers, described, 134
RDBMS (relational database management
systems), 2–3. See also DBMSs
(database management systems)
READ locks, 204–205
REAL column type, 43
record(s). See also rows
delete, 236–237, 255
described, 4
insert, 234–235, 238–239, 254
Red Hat Linux. See also Linux
install MySQL on, 8
log files and, 201
RPM format, 8, 10
REGEXP operator, 142
regular expressions, 142–143, 243
relational databases, described, 2–3
relationships, described, 30
release notes, 14
Reload MySQL option, 226
remainder (%) operator, 134, 219, 242
RENAME command, 55
RENAME TABLE command, 74, 192–193
REPEAT function, 141
REPLACE command, 76
REPLACE function, 141, 144

REPLACE keyword, 156
Report tab, 175, 185
reports
create, 175
edit, 185
print, 185
return keyword, 219
REVERSE function, 141
REVOKE command, 207, 208
RIGHT function, 140, 146
RIGHT JOIN clause, 131
RLIKE operator, 142, 143
ROLLBACK command, 31
root users. See also usernames; users
create, 22
DROP TABLE command and, 52
installation and, 13, 22
MySQL server and, 132
passwords for, 23, 207
ROUND function, 97, 135
round numbers, 135
row(s). See also records
auto-increment columns and, 65
combine, into a single row, 122
copy, 88
count, 124–125
delete, 7, 65, 90–91, 192, 236–237
described, 4, 259
fixed-length, 188
insert, 7, 78–79, 82, 88–89

limit the number of, 37, 110
modify, 98–101
numbers for, 118
replace existing, 86–87
retrieve, 7
specify columns for, 80
update, 7, 86, 96–97, 102–103
variable-length, 188
ROWS keyword, 158
rpm command, 8, 10
RMP packages, 8, 10–11, 13, 201, 244–245
RSA Data Security, 155
RTRIM function, 141
S
safe_mysqld command, 16, 174, 178
search and replace functions, 141
SECOND function, 148
secondary keys, described, 30. See also
keys; primary keys
SEC_TO_TIME function, 151
Secure Sockets Layer. See SSL (Secure
Sockets Layer)
security. See also passwords
advanced, 217
checksums and, 155
encryption, 155, 207, 224
firewalls, 226
importance of, 206
network access control, 206, 216
overview of, 30, 207–217

PHP and, 226
privileges and, 207, 208–209,
212–216, 234, 259
risks, 206
tables, 214–215
seeds, specify, 134
SELECT clause, 76, 95
SELECT command
count rows with, 124–125
described, 7, 110–111
display data with, 112–113
export data with, 158–159
GROUP BY clause and, 122
INSERT command and, 88–89
INTO OUTFILE option, 156, 159,
162, 165, 167
LIMIT clause and, 110, 118–119
math functions and, 136–137
multiple clauses used with, 123
MySQLGUI and, 132
Perl and, 253
PHP and, 224, 230–231, 240, 241
query syntax and, 21
retrieve data from multiple tables
with, 128–129
security and, 209
sort data with, 120–121
strings and, 142, 144–145
table locks and, 205
USE command and, 21

SELECT keyword, 37
semicolon (;), 18, 24, 29, 35
server(s). See also Apache Web server;
MySQL server
described, 3, 259
list all databases on, 34
programming languages and, 3
reconnection attempts, 25
software for, 3, 16–17
status information, 17
storage of tables on, 38
use of multiple, to insure data
availability, 30
version information, 19
Server tab, 185
Services control panel, 174, 180
SESSION_USER function, 154
SET column type, 45, 48–49
SET keyword, 96, 98
SET PASSWORD command, 210–211, 215
sets, described, 48–49
Setup Wizard, 246, 247
setup.exe, 14
set-variable command, 194, 195
SGI Irix, 9
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SHOW COLUMNS command, 40, 52, 53
SHOW COLUMNS FROM command, 41

SHOW command, 6
SHOW DATABASES command, 6, 19,
34–35, 217
SHOW GRANTS command, 207, 212–213
SHOW INDEX command, 72
SHOW STATUS command, 196, 197
SHOW TABLE STATUS command, 32, 40,
41
SHOW TABLES command, 7, 25, 27, 32,
37, 40
SHOW VARIABLES command, 195, 198
shutdown command, 174, 178
SIN function, 135
single quote ('), 242
Sleepycat Software, 31
slow queries, 20, 197
slow_queries variable, 197
SMALLINT column type, 42
Solaris, 9
sort data, 55, 93, 111, 120–121, 189
SOURCE command, 25, 157, 169, 172
space characters, 141
SPACE function, 141
special characters. See also specific
characters
in MySQL regular expressions, 143
in text files, 161
spreadsheets, export data from, 164–165
SQL (Structured Query Language).
See also queries

described, 4, 6–7, 259
development of, by IBM, 6
SQL Server (Microsoft), 5
square brackets ([]), 242
src directory, 12
SSL (Secure Sockets Layer), 217, 259
startup options, 217
STATUS command, 17, 20, 25, 174, 175, 176
status information, 20, 25, 174–176,
195–196, 226
STD function, 127
S/390 systems, 8
STRCMP function, 142
string(s)
combine text values into, 113
comparisons, 111, 142–143
encryption of, 224
functions, 140–141, 144–145
mysqladmin and, 259
numeric comparisons and, 139
Perl and, 242
search for, 147
sub-, 140, 146–147
view tables which match, 40
SUBDATE function, 149
Submit button, 240
SUBSTRING function, 140, 146
substrings, 140, 146–147. See also strings
subtraction (-) operator, 134, 219, 242
SUM function, 126–127

Sun Sparc systems, 8
SYSDATE function, 148
SYSTEM_USER function, 154
T
tab characters, 156, 161, 165
tab-delimited format, 165
table(s). See also columns; rows; specific
types
add columns to, 56–57
add rows to, 78–79
check, for errors, 190–191
combine, 110
copy data between, 76, 157
copy fields from, 37
corrupt, 190–191
create, 6, 36–39
delete, 6, 37, 52–53
delete data from, 77
delete rows from, 90–92
described, 4, 259
design, 188
display, 27
display data from multiple, 128–129
drop, 36–37
information, view, 40–41
joins, 110, 130–131, 189, 258
lock/unlock, 189, 204–205
name/rename, 38, 55, 74
optimize/repair, 188, 192–193
plan, 30

specify options for, 37
structure of, 172, 173
temporary, 31, 37
types of, 31, 36, 75
update rows in, 102–103
TABLE keyword, 96
TAN function, 135
.tar.gz file extension, 11
Task Manager, 181
Task Scheduler, 157, 171
TCP/IP (Transmission Control
Protocol/Internet Protocol), 14,19,
179, 181, 217
TEMPORARY keyword, 37
temporary tables. See also tables
described, 37
heap tables used as, 31
TERMINATE BY clause, 159
terminology, overview of, 4
test
MySQL installation, 17
phpMyAdmin, 222–223
utilities, 10, 15
text. See also TEXT column type;
text files
editors, 26–27, 160, 198–199
fields, 46, 114
strings, compare, 111
values, combine, into strings, 113
TEXT column type

add, 56
create, 46–47
described, 44–45
indexes and, 59
length of, 46
table design and, 188
text file(s). See also log files; text
ASCII, 133, 141
create, 160–161
import/export, 156, 158–163, 165–167
formats, 156, 160–161
Text Import Wizard, 165
thread_cache_size variable, 195
threads. See also processes
caches for, 195
described, 20, 175
display, 175
run, 197
threads_cached variable, 197
threads_created variable, 197
threads_running variable, 197
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MYSQL:
Your visual blueprint to open
source database management
time. See also dates
add/subtract, 153
convert, 151
formats, 149–152

functions, 148–149
TIME column type, 45
TIME function, 148–149
TIME_FORMAT function, 149, 152
TIMESTAMP columns
add, 62–63
described, 45, 62, 84–85
update, 94, 97, 107
TIMESTAMP function, 148–150
TIME_TO_SEC function, 151
TINYBLOB column type, 44
TINYINT column type, 38, 39, 42
TINYTEXT column type, 44
TO_DAYS function, 151
totals, calculate, 126–127
transactions
BDB tables and, 31
described, 9, 31
InnoDB tables and, 31
MyISAM tables and, 31
Transmission Control Protocol/Internet
Protocol. See TCP/IP
trigonometry functions, 135
TRIM function, 141
TRUNCATE command, 92
TRUNCATE function, 135
TRUNCATE keyword, 77
TYPE keyword, 31, 36
TYPE= option, 75
U

underscore (_), 33, 34, 40, 114, 142
unique indexes, 36, 59–61, 64, 72–73, 259
UNIQUE keyword, 36, 59, 61
UNISIGNED keyword, 42
UNIX
backups and, 157, 170
configuration files, 194, 198
DB2 and, 5
display current values for
variables with, 195
install MySQL under, 8, 9, 12–13
install Perl under, 243–244
log files, 200
myisamchk and, 190
MySQL server and, 4, 27,178–179
Oracle and, 5
Perl and, 242
PostgreSQL, 5
ps command, 183
security and, 217
sockets, 217
start MySQL monitor under, 18
text files and, 160, 163
usernames and, 22, 23, 194
UNIX_TIMESTAMP function, 151
Unknown column error, 80
UNLOCK TABLES command, 189, 204–205
UNSIGNED attribute, 42, 43, 64, 66
update. See also UPDATE command
columns, 97, 104–109

rows, 7, 86, 96–97, 102–103
UPDATE command
described, 96–97
increment column values with, 108–109
modify rows with, 98–103
PHP and, 237
priority settings, 96, 100
security and, 209, 215
table locks and, 205
timestamp columns and, 85
update columns with, 104–109
use math with, 109
WHERE clause and, 7
UPPER function, 97, 102, 141, 237
USE command
described, 6, 25, 35
INSERT query and, 78
query syntax and, 21
USER function, 154
username(s). See also users
character restrictions on, 211
configuration options and, 194
DROP TABLE command and, 52
MySQL monitor and, 18, 19
phpMyAdmin and, 223
privileges and, 212
specify, 18, 19, 207
view current, 20
users. See also root users; usernames
configure, 22–23

storage of, in security tables, 214–215
V
VARCHAR columns
add, 56, 57
change definition of, 54
described, 44
indexes and, 50, 51, 59
table design and, 188
variable(s). See also specific variables
display, 175, 186–187, 195–197
Perl and, 242
PHP and, 218
variable-length columns, 37, 44, 46, 188
variables command, 17, 174, 175, 198
Variables tab, 175, 185
version command, 174, 177
VERSION function, 154
vi (text editor), 160, 198
VIEW GRANTS command, 212–213
W
wait_timeout variable, 195, 229
WEEK function, 148
WEEKDAY function, 148
WHERE clause
combine conditions in, 111, 116–117
DELETE command and, 7
described, 76, 77, 114–115
division operator and, 109
improve performance with, 189
joins and, 110, 131

LIMIT clause and, 118–119
ORDER BY clause and, 121
Perl and, 255
PHP and, 236
row updates and, 102
SELECT command and, 7, 110,
111, 114, 128
select rows with, 89
specify rows with, 90, 92–94,
98, 100–101
string comparisons and, 142
UPDATE command and, 7, 96, 98,
100–107, 108, 109
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WHERE keyword, 7
while loops, 230, 233, 240, 243, 253
wildcard characters
asterisk (*), 7, 89, 124, 208, 243
count rows with, 124–125
dollar sign ($), 243
percent sign (%), 34, 40, 114,
142, 152, 208
PHP and, 224
question mark (?), 243
security and, 208
underscore (_), 33, 34, 40, 114, 142
WHERE clause and, 114–115
Windows (Microsoft)

administration utilities, 175
backups and, 157, 171
configuration files, 194, 199
DB2 and, 5
display current values for
variables with, 195
EDIT command and, 26–27
install MySQL under, 8, 12, 14–15
install Perl under, 246–247
install server software on, 3, 4
log files, 200
myisamchk and, 190
MySQLGUI and, 28
Oracle and, 5
PHP for, 221
service management features, 174, 180
start MySQL server under, 16, 174,
180–181
-style line breaks, 163
text files and, 163
usernames, 22
WinMySQLadmin, 15, 16, 175, 181,
184–185, 199
Winsock standard, 14, 181
WinZIP,28
WRITE locks, 204–205
X
XML (eXtensible Markup Language), 5
Y
YEAR column type, 45

YEAR function, 148, 150
YEAR_MONTH keyword, 149
YEARWEEK function, 148
Z
ZEROFILL attribute, 42, 43
.zip files, 8, 14, 28, 221, 222
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