O

Index

[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]

%o formatting directive
object data type
objects
     creating
         constructors
         instances of
         methods
         properties
     declaring
     inheritance
OCTET LENGTH() function
One to many mappings, DNS virtual hosting
One to one mappings, DNS virtual hosting
one-to-many relationships
one-to-one relationships
online address books
     database tables, planning/creating
         email tables
         fax tables
         field names
         master name tables
         personal notes tables
         telephone tables
     menus, creating
    records
         addition mechanism
         deletion mechanism
         subentries, adding
         viewing
online storefront database table example
     cat id field
     category of items, displaying
     planning process
     store categories field
     store ite size table
     store item color field 2nd
     store items field
opendir() function
openssl command-line tool (certificates)
OpenSSL library, installing
     SSL installs
     UNIX
     Windows
operands
     combined with operators
     defined
operators [See also expressions.]
     addition ( +)
     and (&&)
     arithmetic
     assignment (=) 2nd
     combined assignment
     comparison 2nd
     concatenation 2nd
     defined
     division (/)
     equivalence (==)
     greater than (<)
     greater than or equal to (<=)
     identical (===)
     less than (>)
     less than or equal to (>=)
     LIKE
     logical 2nd
     math
     modulus (%)
     multiplication (*)
     non equal to
     nonequivalence (!=)
     not (!)
     operands combined with
     or (||)
     post-decrement
     post-increment
     precedence
     subtraction (-)
     ternary (?)
     xor
OPTIMIZE TABLE command
optional arguments, example of
Options directive 2nd 3rd
or operators (||)
ORDER BY clauses 2nd 3rd
Order directive
OS (operating systems)
     MySQL optimization tips
     scalability limits
output() function
override schemas, directives
ownership, verifying