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CREATE CONTRACT (Transact-SQL)
CREATE CREDENTIAL (Transact-SQL)
CREATE DATABASE (Transact-SQL)
CREATE DEFAULT (Transact-SQL)
CREATE ENDPOINT (Transact-SQL)
CREATE EVENT NOTIFICATION (Transact-SQL)
CREATE FULLTEXT CATALOG (Transact-SQL)
CREATE FULLTEXT INDEX (Transact-SQL)
CREATE FUNCTION (Transact-SQL)
CREATE INDEX (Transact-SQL)
CREATE LOGIN (Transact-SQL)
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DATEDIFF (Transact-SQL)
DATENAME (Transact-SQL)
DATEPART (Transact-SQL)
日期和時間 (Transact-SQL)
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numeric (Transact-SQL)
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ORDER BY 子句 (Transact-SQL)
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PARSENAME (Transact-SQL)
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PI (Transact-SQL)
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ROW_NUMBER (Transact-SQL)
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SELECT (Transact-SQL)
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SERVERPROPERTY (Transact-SQL)
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SESSIONPROPERTY (Transact-SQL)
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SETUSER (Transact-SQL)
SHUTDOWN (Transact-SQL)
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SignByCert (Transact-SQL)
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smalldatetime (Transact-SQL)
smallint (Transact-SQL)
smallmoney (Transact-SQL)
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SPACE (Transact-SQL)
sql_variant (Transact-SQL)
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系統預存程序 (Transact-SQL)
系統資料表 (Transact-SQL)
系統檢視 (Transact-SQL)
sys.fn_builtin_permissions (Transact-SQL)
sys.fn_translate_permissions (Transact-SQL)
sys.login_token (Transact-SQL)
sys.user_token (Transact-SQL)
SYSTEM_USER (Transact-SQL)
資料表 (Transact-SQL)
TAN (Transact-SQL)
TERTIARY_WEIGHTS
text (Transact-SQL)
TEXTPTR (Transact-SQL)
TEXTVALID (Transact-SQL)
timestamp (Transact-SQL)
tinyint (Transact-SQL)
TOP (Transact-SQL)
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UNICODE (Transact-SQL)
UNION (Transact-SQL)
uniqueidentifier (Transact-SQL)
UPDATE (Transact-SQL)
UPDATE() (Transact-SQL)
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UPDATETEXT (Transact-SQL)
UPPER (Transact-SQL)
USE (Transact-SQL)
USER (Transact-SQL)
USER_ID (Transact-SQL)
USER_NAME (Transact-SQL)
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varbinary (Transact-SQL)
varchar (Transact-SQL)
VARP (Transact-SQL)
VerifySignedByCert (Transact-SQL)
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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)
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YEAR (Transact-SQL)
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本主題尚未接受評分 - 為這個主題評分

@@TRANCOUNT (Transact-SQL)

SQL Server 2005

傳回目前連接的使用中交易數目。

主題連結圖示 Transact-SQL 語法慣例

複製 

@@TRANCOUNT

integer

BEGIN TRANSACTION 陳述式會遞增 @@TRANCOUNT，遞增量為 1。ROLLBACK TRANSACTION 會將 @@TRANCOUNT 遞減到 0，不過 ROLLBACK TRANSACTION savepoint_name 除外，它不會影響 @@TRANCOUNT。COMMIT TRANSACTION 或 COMMIT WORK 會遞減 @@TRANCOUNT，遞減量為 1。

這個範例是利用 @@TRANCOUNT 來測試應該認可之開啟的交易。

複製 
USE AdventureWorks;
GO
BEGIN TRANSACTION;
GO
UPDATE Person.Contact
    SET LastName = UPPER(LastName)
    WHERE LastName = 'Wood';
GO
IF @@TRANCOUNT > 0
BEGIN
    PRINT N'A transaction needs to be rolled back.';
    ROLLBACK TRANSACTION;
END
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