오후 1:27 2004-09-14, p.329

DECLARE testcursor CURSOR FOR
SELECT * FROM testtb2


OPEN testcursor


FETCH NEXT/PRIOR/FIRST/LAST FROM testcursor
FETCH RELATIVE 0 FROM testcursor
FETCH ABSOLUTE 0 FROM testcursor


UPDATE testtb2
SET test_text ='test'
WHERE CURRENT OF testcursor


CLOSE testcursor


DEALLOCATE testcursor

xml 지원

SELECT * FROM testtb2 t1 inner join testtb2 t2
on t1.tempid = t2.tempid
FOR XML
RAW AUTO EXPLICIT, (XMLDATA, ELEMENTS, BINARY BASE64)

openxml

DECLARE @hdoc INT


EXEC sp_xml_preparedocument @hdoc OUTPUT,


N'<ROOT>

<Customers CustomerID="XYZAA" Contactname="Joe" Companyname="Company1">
<Orders CustomerID="XYZAA" Orderdate="2000-08-25T00:00:00" />
<Orders CustomerID="XYZAA" Orderdate="2000-08-31T00:00:00" />
</Customers>
<Customers CustomerID="XYZAB" Contactname="Steve" Companyname="Company2">

No orders yet?

<Orders CustomerID="XYZAB" Orderdate="2000-02-25T00:00:00" />
<Orders CustomerID="XYZAB" Orderdate="2000-03-31T00:00:00" />
</Customers>

</ROOT>'


SELECT * FROM OPENXML(@hdoc, N'/ROOT/Customers/Orders')

WITH ( CustomerID NCHAR(5) './@CustomerID',
Contactname NVARCHAR(50) '../@Contactname', Orderdate DATETIME)


EXEC sp_xml_removedocument @hdoc

오후 12:00 2004-09-13, p.280

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

order by ~ with rollup : 요약 집계.
with cube의 경우에는 A -> B 방향으로의 요약집계 뿐만이 아니라 B -> A 방향으로의 요약집계도 지원한다.

ntext, text, image

오후 2:02 2004-09-09, p.210

n = 1~24, 정밀도 7자리, 4byte
n = 25~53, 정밀도 15자리, 8byte

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

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.