For more information about bugs fixed in SQL Server 2000 Service Pack 4, click the following article number to view the article in the Microsoft Knowledge Base:314128 FIX: When an RPC call is performed, Access with conflicting values includes an
Turn from: Nested transactions in SQL Server use--transaction count indicates a mismatch between the number of BEGIN and COMMIT statements--The underlying problemProblem:1. System.Data.SqlClient.SqlException (0x80131904): The transaction count after
MS SQL Server Query optimization methodThere are many reasons for the slow speed of queries, which are common1, no indexes, or no indexes (this is the most common problem with query slowness, is the flaw in programming)2, I/o throughput is small,
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[0 Basic science sql.server.2005
Because server A cannot see the witness server W or the original mirror partner server B, you must enter the disconnected state and make the database unavailable.
Server B and Server w can compose quorum. Server B cannot see server A, so Server B
Distributed transactions, like local transactions, contain atomicity (atomicity), consistency (consistency), isolation (isolation), and persistence (durability). Two-stage commit is an important method to ensure atomicity in distributed transaction.
server| distributed
Tests on whether SQL Server 2000 and SQL Server 2005 distributed transactions work togetherMS DTC
1. MS DTC Background
2. The purpose of the MSDTC test
3. MSDTC test Environment
3.1 Verification test Environment:
3.2 Environment
The same SQL statement, the query results in Plsql and Sqlplus are different, have you seen it?A query was executed today in Plsql's SQL window for select * from T_user; Query to 6 records:Later, in order to facilitate the testing of other data,
BEGIN TRANSACTIONMarks the starting point for an explicit local transaction. BEGIN TRANSACTION The @ @TRANCOUNT by 1 increments.BEGIN TRANSACTION represents a point where data referenced by a connection is logically and physically consistent at that
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