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데이터베이스 엔진
기술 참조
Transact-SQL 참조
Transact-SQL 구문 표기 규칙(Transact-SQL)
자습서: Transact-SQL 문 쓰기
+(더하기)(Transact-SQL)
+(단항 더하기)(Transact-SQL)
+(문자열 연결)(Transact-SQL)
+=(더하기 EQUALS)(Transact-SQL)
+=(문자열 연결)(Transact-SQL)
-(음수)(Transact-SQL)
-(빼기)(Transact-SQL)
-=(빼기 EQUALS)(Transact-SQL)
*(곱하기)(Transact-SQL)
*=(곱하기 EQUALS)(Transact-SQL)
/(나누기)(Transact-SQL)
/=(나누기 EQUALS)(Transact-SQL)
\(백슬래시)(Transact-SQL)
%(모듈로)(Transact-SQL)
%=(나머지 EQUALS)(Transact-SQL)
%(와일드카드 - 일치하는 문자)(Transact-SQL)
&(비트 AND)(Transact-SQL)
&=(비트 AND EQUALS)(Transact-SQL)
|(비트 OR)(Transact-SQL)
|=(비트 OR EQUALS)(Transact-SQL)
^(배타적 비트 OR)(Transact-SQL)
^=(배타적 비트 OR EQUALS)(Transact-SQL)
~(비트 NOT)(Transact-SQL)
=(같음)(Transact-SQL)
>(보다 큼)(Transact-SQL)
<(보다 작음)(Transact-SQL)
>=(크거나 같음)(Transact-SQL)
<=(작거나 같음)(Transact-SQL)
<>(같지 않음)(Transact-SQL)
!<(보다 작지 않음)(Transact-SQL)
!= (같지 않음)(Transact-SQL)
!>(보다 크지 않음)(Transact-SQL)
-- (주석)(Transact-SQL)
/*...*/(주석)(Transact-SQL)
[ ](와일드카드 - 일치하는 문자)(Transact-SQL)
[^](와일드카드 - 일치하지 않는 문자)(Transact-SQL)
_ (와일드카드 - 문자 하나와 일치)(Transact-SQL)
$PARTITION(Transact-SQL)
@@CONNECTIONS(Transact-SQL)
@@CPU_BUSY(Transact-SQL)
@@CURSOR_ROWS(Transact-SQL)
@@DATEFIRST(Transact-SQL)
@@DBTS(Transact-SQL)
@@ERROR(Transact-SQL)
@@FETCH_STATUS(Transact-SQL)
@@IDENTITY(Transact-SQL)
@@IDLE(Transact-SQL)
@@IO_BUSY(Transact-SQL)
@@LANGID(Transact-SQL)
@@LANGUAGE(Transact-SQL)
@@LOCK_TIMEOUT(Transact-SQL)
@@MAX_CONNECTIONS(Transact-SQL)
@@MAX_PRECISION(Transact-SQL)
@@NESTLEVEL(Transact-SQL)
@@OPTIONS(Transact-SQL)
@@PACK_RECEIVED(Transact-SQL)
@@PACK_SENT(Transact-SQL)
@@PACKET_ERRORS(Transact-SQL)
@@PROCID(Transact-SQL)
@@REMSERVER(Transact-SQL)
@@ROWCOUNT(Transact-SQL)
@@SERVERNAME(Transact-SQL)
@@SERVICENAME(Transact-SQL)
@@SPID(Transact-SQL)
@@TEXTSIZE(Transact-SQL)
@@TIMETICKS(Transact-SQL)
@@TOTAL_ERRORS(Transact-SQL)
@@TOTAL_READ(Transact-SQL)
@@TOTAL_WRITE(Transact-SQL)
@@TRANCOUNT(Transact-SQL)
@@VERSION(Transact-SQL)
ABS(Transact-SQL)
ACOS(Transact-SQL)
ADD SIGNATURE(Transact-SQL)
ALL(Transact-SQL)
ALTER 문(Transact-SQL)
AND(Transact-SQL)
ANY(Transact-SQL)
APPLOCK_MODE(Transact-SQL)
APPLOCK_TEST(Transact-SQL)
APP_NAME(Transact-SQL)
ASCII(Transact-SQL)
ASIN(Transact-SQL)
ASSEMBLYPROPERTY(Transact-SQL)
ASYMKEY_ID(Transact-SQL)
ASYMKEYPROPERTY(Transact-SQL)
ATAN(Transact-SQL)
ATN2(Transact-SQL)
AVG(Transact-SQL)
BACKUP(Transact-SQL)
BACKUP CERTIFICATE(Transact-SQL)
BACKUP MASTER KEY(Transact-SQL)
BACKUP SERVICE MASTER KEY(Transact-SQL)
BEGIN...END(Transact-SQL)
BEGIN CONVERSATION TIMER(Transact-SQL)
BEGIN DIALOG CONVERSATION(Transact-SQL)
BEGIN DISTRIBUTED TRANSACTION(Transact-SQL)
BEGIN TRANSACTION(Transact-SQL)
BETWEEN(Transact-SQL)
binary 및 varbinary(Transact-SQL)
BINARY_CHECKSUM(Transact-SQL)
bit(Transact-SQL)
BREAK(Transact-SQL)
BULK INSERT(Transact-SQL)
CASE(Transact-SQL)
CAST 및 CONVERT(Transact-SQL)
CATCH (TRY...CATCH)(Transact-SQL)
CEILING(Transact-SQL)
CertProperty(Transact-SQL)
Cert_ID(Transact-SQL)
변경 데이터 캡처 함수(Transact-SQL)
변경 내용 추적 함수(Transact-SQL)
char 및 varchar(Transact-SQL)
CHAR(Transact-SQL)
CHARINDEX(Transact-SQL)
CHECKPOINT(Transact-SQL)
CHECKSUM(Transact-SQL)
CHECKSUM_AGG
CLOSE(Transact-SQL)
CLOSE MASTER KEY(Transact-SQL)
CLOSE SYMMETRIC KEY(Transact-SQL)
COALESCE(Transact-SQL)
COLLATE(Transact-SQL)
COLLATIONPROPERTY(Transact-SQL)
COL_LENGTH(Transact-SQL)
COL_NAME(Transact-SQL)
COLUMNPROPERTY(Transact-SQL)
COLUMNS_UPDATED(Transact-SQL)
COMMIT TRANSACTION(Transact-SQL)
COMMIT WORK(Transact-SQL)
복합 연산자(Transact-SQL)
COMPUTE(Transact-SQL)
CONNECTIONPROPERTY(Transact-SQL)
상수(Transact-SQL)
CONTAINS(Transact-SQL)
CONTAINSTABLE(Transact-SQL)
CONTINUE(Transact-SQL)
CONTEXT_INFO(Transact-SQL)
흐름 제어 언어(Transact-SQL)
CONVERT(Transact-SQL)
COS(Transact-SQL)
COT(Transact-SQL)
COUNT(Transact-SQL)
COUNT_BIG(Transact-SQL)
CREATE 문(Transact-SQL)
CRYPT_GEN_RANDOM(Transact-SQL)
CURRENT_REQUEST_ID(Transact-SQL)
CURRENT_TIMESTAMP(Transact-SQL)
CURRENT_USER(Transact-SQL)
SET(Transact-SQL)
CURSOR_STATUS(Transact-SQL)
커서(Transact-SQL)
데이터 수집기 함수(Transact-SQL)
데이터 형식(Transact-SQL)
DATABASE_PRINCIPAL_ID(Transact-SQL)
DATABASEPROPERTY(Transact-SQL)
DATABASEPROPERTYEX(Transact-SQL)
DATALENGTH(Transact-SQL)
date(Transact-SQL)
DATEADD(Transact-SQL)
DATEDIFF(Transact-SQL)
DATENAME(Transact-SQL)
DATEPART(Transact-SQL)
datetime(Transact-SQL)
datetime2(Transact-SQL)
datetimeoffset(Transact-SQL)
DAY(Transact-SQL)
DB_ID(Transact-SQL)
DB_NAME(Transact-SQL)
DBCC(Transact-SQL)
DEALLOCATE(Transact-SQL)
decimal 및 numeric(Transact-SQL)
DECLARE @local_variable(Transact-SQL)
DECLARE CURSOR(Transact-SQL)
DECRYPTBYASYMKEY(Transact-SQL)
DECRYPTBYCERT(Transact-SQL)
DECRYPTBYKEY(Transact-SQL)
DECRYPTBYKEYAUTOASYMKEY(Transact-SQL)
DECRYPTBYKEYAUTOCERT(Transact-SQL)
DECRYPTBYPASSPHRASE(Transact-SQL)
DEGREES(Transact-SQL)
DELETE(Transact-SQL)
DENSE_RANK(Transact-SQL)
DENY(Transact-SQL)
DIFFERENCE(Transact-SQL)
DISABLE TRIGGER(Transact-SQL)
DROP 문(Transact-SQL)
ELSE(IF...ELSE)(Transact-SQL)
ENABLE TRIGGER(Transact-SQL)
ENCRYPTBYASYMKEY(Transact-SQL)
ENCRYPTBYCERT(Transact-SQL)
ENCRYPTBYKEY(Transact-SQL)
ENCRYPTBYPASSPHRASE(Transact-SQL)
END(BEGIN...END)(Transact-SQL)
END CONVERSATION(Transact-SQL)
ERROR_LINE(Transact-SQL)
ERROR_MESSAGE(Transact-SQL)
ERROR_NUMBER(Transact-SQL)
ERROR_PROCEDURE(Transact-SQL)
ERROR_SEVERITY(Transact-SQL)
ERROR_STATE(Transact-SQL)
EVENTDATA(Transact-SQL)
EXCEPT 및 INTERSECT(Transact-SQL)
EXECUTE AS(Transact-SQL)
EXECUTE AS 절(Transact-SQL)
EXECUTE
EXISTS(Transact-SQL)
EXP(Transact-SQL)
식(Transact-SQL)
FETCH(Transact-SQL)
FILE_ID(Transact-SQL)
FILE_IDEX(Transact-SQL)
FILE_NAME(Transact-SQL)
FILEGROUP_ID(Transact-SQL)
FILEGROUP_NAME(Transact-SQL)
FILEGROUPPROPERTY(Transact-SQL)
FILEPROPERTY(Transact-SQL)
float 및 real(Transact-SQL)
FLOOR(Transact-SQL)
sys.fn_check_object_signatures(Transact-SQL)
fn_get_audit_file(Transact-SQL)
fn_get_sql(Transact-SQL)
fn_helpcollations(Transact-SQL)
fn_listextendedproperty(Transact-SQL)
sys.fn_xe_file_target_read_file(Transact-SQL)
fn_my_permissions(Transact-SQL)
fn_servershareddrives(Transact-SQL)
fn_trace_geteventinfo(Transact-SQL)
fn_trace_getfilterinfo(Transact-SQL)
fn_trace_getinfo(Transact-SQL)
fn_trace_gettable(Transact-SQL)
fn_virtualfilestats(Transact-SQL)
fn_virtualservernodes(Transact-SQL)
FOR 절(Transact-SQL)
FORMATMESSAGE(Transact-SQL)
FREETEXT(Transact-SQL)
FREETEXTTABLE(Transact-SQL)
FROM(Transact-SQL)
FULLTEXTCATALOGPROPERTY(Transact-SQL)
FULLTEXTSERVICEPROPERT(Transact-SQL)
함수(Transact-SQL)
geography(Transact-SQL)
geometry(Transact-SQL)
GET CONVERSATION GROUP(Transact-SQL)
GET_FILESTREAM_TRANSACTION_CONTEXT(Transact-SQL)
GET_TRANSMISSION_STATUS(Transact-SQL)
GETANSINULL(Transact-SQL)
GETDATE(Transact-SQL)
GETUTCDATE(Transact-SQL)
GO(Transact-SQL)
GOTO(Transact-SQL)
GRANT(Transact-SQL)
GROUP BY(Transact-SQL)
GROUPING(Transact-SQL)
GROUPING_ID(Transact-SQL)
HAS_DBACCESS(Transact-SQL)
HAS_PERMS_BY_NAME(Transact-SQL)
HashBytes(Transact-SQL)
HAVING(Transact-SQL)
hierarchyid(Transact-SQL)
힌트(Transact-SQL)
HOST_ID(Transact-SQL)
HOST_NAME(Transact-SQL)
IDENT_CURRENT(Transact-SQL)
IDENT_INCR(Transact-SQL)
IDENT_SEED(Transact-SQL)
IDENTITY(함수)(Transact-SQL)
IDENTITY(속성)(Transact-SQL)
IF...ELSE(Transact-SQL)
image(Transact-SQL)
IN(Transact-SQL)
INDEXKEY_PROPERTY(Transact-SQL)
NDEXPROPERTY(Transact-SQL)
INDEX_COL(Transact-SQL)
INSERT(Transact-SQL)
int, bigint, smallint 및 tinyint(Transact-SQL)
INTO 절(Transact-SQL)
IS_MEMBER(Transact-SQL)
IS_OBJECTSIGNED(Transact-SQL)
IS_SRVROLEMEMBER(Transact-SQL)
ISDATE(Transact-SQL)
IS [NOT] NULL(Transact-SQL)
ISNULL(Transact-SQL)
ISNUMERIC(Transact-SQL)
Key_GUID(Transact-SQL)
Key_ID(Transact-SQL)
KEY_NAME(Transact-SQL)
KILL(Transact-SQL)
KILL QUERY NOTIFICATION SUBSCRIPTION(Transact-SQL)
KILL STATS JOB(Transact-SQL)
LEFT(Transact-SQL)
LEN(Transact-SQL)
LIKE(Transact-SQL)
LOG(Transact-SQL)
LOG10(Transact-SQL)
LOGINPROPERTY(Transact-SQL)
LOWER(Transact-SQL)
LTRIM(Transact-SQL)
MAX(Transact-SQL)
MERGE(Transact-SQL)
MIN(Transact-SQL)
MIN_ACTIVE_ROWVERSION(Transact-SQL)
money 및 smallmoney(Transact-SQL)
MONTH(Transact-SQL)
MOVE CONVERSATION(Transact-SQL)
NCHAR(Transact-SQL)
nchar 및 nvarchar(Transact-SQL)
NEWID(Transact-SQL)
NEWSEQUENTIALID()(Transact-SQL)
NOT(Transact-SQL)
ntext, text 및 image(Transact-SQL)
NTILE(Transact-SQL)
NULLIF(Transact-SQL)
numeric(Transact-SQL)
OBJECT_DEFINITION(Transact-SQL)
OBJECT_ID(Transact-SQL)
OBJECT_NAME(Transact-SQL)
OBJECT_SCHEMA_NAME(Transact-SQL)
OBJECTPROPERTY(Transact-SQL)
OBJECTPROPERTYEX(Transact-SQL)
ODBC 스칼라 함수(Transact-SQL)
OPEN(Transact-SQL)
OPEN MASTER KEY(Transact-SQL)
OPEN SYMMETRIC KEY(Transact-SQL)
OPENDATASOURCE(Transact-SQL)
OPENQUERY(Transact-SQL)
OPENROWSET(Transact-SQL)
OPENXML(Transact-SQL)
연산자(Transact-SQL)
OPTION 절(Transact-SQL)
OR(Transact-SQL)
ORDER BY 절(Transact-SQL)
ORIGINAL_DB_NAME(Transact-SQL)
ORIGINAL_LOGIN(Transact-SQL)
OUTPUT 절(Transact-SQL)
OVER 절(Transact-SQL)
PARSENAME(Transact-SQL)
PathName(Transact-SQL)
PATINDEX(Transact-SQL)
PERMISSIONS(Transact-SQL)
PI(Transact-SQL)
POWER(Transact-SQL)
조건자(Transact-SQL)
PRINT(Transact-SQL)
PUBLISHINGSERVERNAME(Transact-SQL)
PWDCOMPARE(Transact-SQL)
PWDENCRYPT(Transact-SQL)
QUOTENAME(Transact-SQL)
RADIANS(Transact-SQL)
RAISERROR
RAND(Transact-SQL)
RANK(Transact-SQL)
READTEXT(Transact-SQL)
real(Transact-SQL)
RECEIVE(Transact-SQL)
RECONFIGURE(Transact-SQL)
REPLACE(Transact-SQL)
REPLICATE(Transact-SQL)
예약된 키워드(Transact-SQL)
백업 복원, 복구 및 관리를 위한 RESTORE 문(Transact-SQL)
RESTORE MASTER KEY(Transact-SQL)
RESTORE SERVICE MASTER KEY(Transact-SQL)
RETURN(Transact-SQL)
REVERSE(Transact-SQL)
REVERT(Transact-SQL)
REVOKE(Transact-SQL)
RIGHT(Transact-SQL)
ROLLBACK TRANSACTION(Transact-SQL)
ROLLBACK WORK(Transact-SQL)
ROUND(Transact-SQL)
ROW_NUMBER(Transact-SQL)
ROWCOUNT_BIG(Transact-SQL)
rowversion(Transact-SQL)
RTRIM(Transact-SQL)
SAVE TRANSACTION(Transact-SQL)
SCHEMA_ID(Transact-SQL)
SCHEMA_NAME(Transact-SQL)
SCOPE_IDENTITY(Transact-SQL)
검색 조건(Transact-SQL)
SELECT @local_variable(Transact-SQL)
SELECT(Transact-SQL)
SEND(Transact-SQL)
SERVERPROPERTY(Transact-SQL)
SESSION_USER(Transact-SQL)
SESSIONPROPERTY(Transact-SQL)
SET @local_variable(Transact-SQL)
SET(Transact-SQL)
SETUSER(Transact-SQL)
SHUTDOWN(Transact-SQL)
SIGN(Transact-SQL)
SignByAsymKey(Transact-SQL)
SignByCert(Transact-SQL)
SIN(Transact-SQL)
smalldatetime(Transact-SQL)
smallint(Transact-SQL)
smallmoney(Transact-SQL)
SOME | ANY(Transact-SQL)
SOUNDEX(Transact-SQL)
SPACE(Transact-SQL)
sql_variant(Transact-SQL)
SQL_VARIANT_PROPERTY(Transact-SQL)
SQRT(Transact-SQL)
SQUARE(Transact-SQL)
STATS_DATE(Transact-SQL)
STDEV(Transact-SQL)
STDEVP(Transact-SQL)
STR(Transact-SQL)
STUFF(Transact-SQL)
SUBSTRING(Transact-SQL)
SUM(Transact-SQL)
SUSER_ID(Transact-SQL)
SUSER_NAME(Transact-SQL)
SUSER_SID(Transact-SQL)
SUSER_SNAME(Transact-SQL)
SWITCHOFFSET(Transact-SQL)
SYSDATETIME(Transact-SQL)
SYSDATETIMEOFFSET(Transact-SQL)
SYMKEYPROPERTY(Transact-SQL)
시스템 저장 프로시저(Transact-SQL)
시스템 테이블(Transact-SQL)
시스템 뷰(Transact-SQL)
SYSUTCDATETIME(Transact-SQL)
sys.fn_builtin_permissions(Transact-SQL)
sys.fn_translate_permissions(Transact-SQL)
sys.fn_validate_plan_guide(Transact-SQL)
sys.login_token(Transact-SQL)
sys.user_token(Transact-SQL)
SYSTEM_USER(Transact-SQL)
table(Transact-SQL)
테이블 값 생성자(Transact-SQL)
TAN(Transact-SQL)
TERTIARY_WEIGHTS(Transact-SQL)
text(Transact-SQL)
TEXTPTR(Transact-SQL)
TEXTVALID(Transact-SQL)
time(Transact-SQL)
tinyint(Transact-SQL)
TODATETIMEOFFSET(Transact-SQL)
TOP(Transact-SQL)
추적 플래그(Transact-SQL)
트랜잭션(Transact-SQL)
TRY...CATCH(Transact-SQL)
TRIGGER_NESTLEVEL(Transact-SQL)
TRUNCATE TABLE(Transact-SQL)
TYPE_ID(Transact-SQL)
TYPE_NAME(Transact-SQL)
TYPEPROPERTY(Transact-SQL)
UNICODE(Transact-SQL)
UNION(Transact-SQL)
uniqueidentifier(Transact-SQL)
UPDATE(Transact-SQL)
UPDATE()(Transact-SQL)
UPDATE STATISTICS(Transact-SQL)
UPDATETEXT(Transact-SQL)
UPPER(Transact-SQL)
USE(Transact-SQL)
USER(Transact-SQL)
USER_ID(Transact-SQL)
USER_NAME(Transact-SQL)
VAR(Transact-SQL)
varbinary(Transact-SQL)
varchar(Transact-SQL)
VARP(Transact-SQL)
VerifySignedByCert(Transact-SQL)
VerifySignedByAsymKey(Transact-SQL)
WAITFOR(Transact-SQL)
WHERE(Transact-SQL)
WHILE(Transact-SQL)
WITH common_table_expression(Transact-SQL)
WITH XMLNAMESPACES(Transact-SQL)
WRITETEXT(Transact-SQL)
XACT_STATE(Transact-SQL)
xml(Transact-SQL)
xml_schema_namespace(Transact-SQL)
YEAR(Transact-SQL)
확장 최소화
이 항목은 아직 평가되지 않았습니다.- 이 항목 평가

@@DATEFIRST(Transact-SQL)

세션에 대한 SET DATEFIRST의 현재 값을 반환합니다.

모든 Transact-SQL 날짜/시간 데이터 형식 및 함수에 대한 개요는 날짜 및 시간 데이터 형식 및 함수(Transact-SQL)를 참조하십시오. 날짜/시간 데이터 형식 및 함수에 대한 자세한 내용과 일반적인 예는 날짜 및 시간 데이터 사용을 참조하십시오.

항목 링크 아이콘 Transact-SQL 구문 표기 규칙

복사 

@@DATEFIRST

SET DATEFIRST는 주의 시작 요일을 지정합니다. 미국 영어 기본값은 7, 일요일입니다.

이 언어 설정은 데이터베이스에 저장하기 위해 문자열을 날짜 값으로 변환할 때 문자열의 해석, 그리고 데이터베이스에 저장되는 날짜 값의 표시에 영향을 미칩니다. 이 설정은 날짜 데이터의 저장소 형식에는 영향을 주지 않습니다. 다음 예에서는 언어를 먼저 italian으로 설정합니다. SELECT @@DATEFIRST; 문은 1을 반환합니다. 그런 다음 언어가 us_english로 설정됩니다. SELECT @@DATEFIRST; 문은 7을 반환합니다.

복사 
SET LANGUAGE Italian;
GO
SELECT @@DATEFIRST;
GO
SET LANGUAGE us_english;
GO
SELECT @@DATEFIRST;

다음 예에서는 주의 시작 요일을 5(금요일)로 설정하고 현재 날짜인 Today를 토요일로 가정합니다. SELECT 문은 주의 현재 날짜의 DATEFIRST 값과 현재 날짜 번호를 반환합니다.

복사 
SET DATEFIRST 5;
SELECT @@DATEFIRST AS 'First Day'
    ,DATEPART(dw, SYSDATETIME()) AS 'Today';

결과 집합은 다음과 같습니다.

복사 
First Day         Today
----------------  --------------
5                 2
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