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Version as of 2004-09-13 12:02:24

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오후 12:00 2004-09-13, p.280
where - any/some, all 키워드
a > any ( select 1 union select 5 union select 30 )
a > all ( select 1 union select 5 union select 30 )

any의 경우 1, all의 경우 30보다 커야 함.
(any 키워드는 In과 특성이 비슷)

오후 2:02 2004-09-09, p.210
decimal - 유효 38자리. numeric과 동일
float - -1.79e +308 ~ 1.79e +308, float(53)의 경우 double precision과 동일
real - float(24)와 동일, -3.40e+38 3.40e+38
float(n)
money - -2^63 / 10^(-4) ~ (2^63-1) / 10^(-4), 8byte. (소수점이 들어간다!)

컬럼의 정의 ; Default, Identity, (Not) Null, Check, Rule, Trigger, Index
rule은 이전 호환성을 위한 객체

오전 11:16 2004-09-08
replication : publish - subscribe 게시 - 구독
OLAP online analytical processing
OLTP online transaction processing
metadata service - manipulates system catalog
dts data transformation service
dtc distributed transaction coordinator

master tempdb msdb model

page 8kb - header 96 bytes
extent 64kb - table, index's default unit.

mixed extent -> 8 pages over : regular extent
mdf master data file
ndf
ldf log data file

GAM global allocation map - process 4gb (64000 extents) 1 is unallocated, 0 is allocated.
SGAM shared global allocation map - process 4gb (64000 extents) 1 is mixed, and could be allocated, 0 is not mixed extent, or allocated.

table type data stream - protocol ; sql2000 - 8.0, sql7.0 - 7.0, sql6.5, 6.0, 4.21 - 4.2
transaction log
awe address windowing extensions - advanced server 8gb, datacenter serve 64gb ; 확장 메모리는 각 인스턴스에 정적으로 할당됨

data definition language
data manipulate language
data control language

sql-dmf distributed manage framework

automation : server agent, jobs, event and warning, trigger, manager?

import/export : dts, replication, bulkcopy(bcp), distributed query
dbcc database

sp_helpdb
sp_dboption
sp_configure

model database의 옵션이 새 데이터베이스의 설정에 적용됨.

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