SYMBOL]
[A]
[B]
[C]
[D]
[E]
[F]
[G]
[H]
[I]
[J]
[K]
[L]
[M]
[N]
[O]
[P]
[Q]
[R]
[S]
[T]
[U]
[V]
[W]
[X]
[Y]
[Z]
radio buttons
RaiseError
behavior
error trapping with
selective enabling
RaiseError (Perl DBI)
RAND( )
2nd
evaluating
rows, for randomizing
seeding
rand_test.py
random numbers, generating
randomizing a set of rows
ranks, assigning
advancing on value changes
by low number excepting ties
by row within the ordered set
programmatic assignment
raw protocol
Java drivers, handling by
ReadPropsFile.java
record editing forms
record retrieval techniques
conditional selection
record separators
records
[See also rows]
combining from two tables
[See joins]
creation or modification time
creation time, recording permanently
duplicates
[See duplicate records]
editing using table information
recording modification time
setting storage lifetime
tables, moving between
redundancy in data
reference tables
APIs, creating with
referential integrity and foreign keys
Regexp class library
REGEXP operator
register_globals directive (PHP)
register_globals setting (PHP)
regression line
regular expressions
POSIX character class support
SQL pattern matching, compared to
wildcards
REHASH
related table updates
deleting unrelated records
using programs
using mysql
via table replacement
using joins
using LEFT JOINs
related tables
unattached records, finding and removing
related-table updates
lookup tables, creating with
relative frequency distributions
relative pathnames
RENAME TABLE statement
repetition, measuring in a set of values
REPLACE query
rows, finding the number affected
REPLACE statement
duplicates, preventing with
for serving image files on web pages
require and require_once statement, PHP
resequencing
2nd
[See also sequences]3rd
[See also AUTO_INCREMENT columns]
of AUTO_INCREMENT columns
advisability
ordering, control of
result sets
iteration through
movement within
presence or absence, determining
rewinding
results
sorting
[See sorting operations]
ResultSetMetaData object (Java)
retrieving from
reusing code
rewinding result sets
RIGHT JOINs
RIGHT( )
ROLLBACK statement
rotating tables
rowcount attribute (Python)
rows
[See also records]
combining rows from two tables
[See joins]
deleting related rows in multiple tables
by replacing tables
cascaded deletes
mysql, using
programmatic deletion
duplicates
[See duplicate records]
ID values, joining to descriptive information in another table
inserting records in a table that include values from another
matching in separate tables
per group minimum or maximum values, finding
random selection from a set
randomizing
selecting in parallel from multiple tables
unattached records, finding and removing
.rpm (RedHat Package Manager)
running averages, calculation using self-joins
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