Index_A
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A
Aborted_clients variable, 387
Aborted_connects variable, 388
ABS() function, 544
absolute() method (Java), 633
Access (Microsoft), exporting data to MySQL, 666
ACOS() function, 544
Active attribute (Perl DBI), 610
ActiveKids attribute (Perl DBI), 610
add function, for aggregate user-defined functions, 201
addBatch() method (Java), 629
ADDDATE() function, 512
administration of MySQL, utilities for, 261–262
administrator
adding to user table, 426
user permissions granted by, 8
AES_DECRYPT() function, 557
AES_ENCRYPT() function, 558
afterLast() method (Java), 633
aggregate functions, 554–557
AVG, 555
BIT_AND, 555
BIT_OR, 555–556
COUNT, 556
MAX, 556
MIN, 556–557
STD, 557
STDDEV, 557
SUM, 557
user-defined, 191, 200–201
sample, 201–204
ALL privilege, 435, 488
ALL PRIVILEGE privilege, 435, 488
ALTER privilege, 435, 446, 488
ALTER statement, 482
ALTER TABLE statement, 25–26
to convert ISAM table to MyISAM table, 56
to create primary key, 129
DROP clause, 26
DROP PRIMARY KEY, 152
for full-text index creation, 132
MODIFY clause, 26
and ordinary index creation, 131
RENAME clause, 26
and transaction completion, 117
analysis phase of database lifecycle, 240–241
example, 250–251
ANALYZE TABLE statement, 169, 282–283, 482
analyzing tables
with myisamchk utility, 283–284
with mysqlcheck utility, 283
AND, && logical operator, 14, 68, 499
ANSI mode, running MySQL in, 408
ANSI SQL, NATIONAL keyword for compliance, 48
ansi_mode variable, 379
APILEVEL attribute (Python), 619
application development stages, 185– 189
application design, 187
coding, 187–188
requirements analysis, 186–187
testing and implementation, 189
applications, security in, 448–449
args parameter
of user-defined init function, 196
of user-defined main function, 197–198
arithmetic operators in SQL, 69–70, 500–502
array, PHP function to return, 577– 578
ARRAYSIZE attribute (Python), 620
ASC keyword, 18
ASCII() function, 524–525
ASIN() function, 544
at sign (@), for MySQL variable, 99
ATAN() function, 545
ATAN2() function, 545
atomicity of transactions, 256
attributes
of entities, 242
in Perl DBI module, 610–617
in Python, 619–620
of record, 5, 212
auto increment field, 142–151
creating, 142
going out of bounds, 148
inserting records containing, 143–144
multicolumn indexes and, 150– 151
problems with LAST_INSERT_ ID() function, 148–150
returning and resetting, 144–147
setting increment value, 146–147
AUTOCOMMIT, 112–115, 117, 392, 495
AutoCommit attribute (Perl DBI), 613
AUTO_INCREMENT, PHP function to return most recent value, 586
automatic rehashing, 52, 54
available_drivers method (Perl DBI), 596
AVG() function, 22, 555
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