commit command in sql

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

Compare the impact of a single COMMIT and multiple COMMIT on the waste of log space while changing the data volume. The LGWR process writes online logs in sequence and does not skip in the middle, and the LGWR process does not write twice in the

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.

Oracle SQL * plus is a client tool that interacts with oracle. In SQL * plus, you can run the SQL * plus command and the SQL * plus statement. The DML, DDL, and DCL statements we usually call are SQL * plus statements. After they are executed,

SQL * Plus command (1) Introduction: Oracle SQL * Plus is a client tool for interacting with Oracle. In SQL * Plus, you can run the SQL * Plus command and the SQL * Plus statement. The DML, DDL, and DCL statements we usually call are SQL * Plus

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

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,

1. Execute an SQL script file SQL> Start file_name SQL> @ file_name We can save multiple SQL statements in a text file, so that when we want to execute all the SQL statements in this file, we can use any of the following commands, which is similar

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

Start transaction, commit, and rollback syntaxStart transaction | begin [work] commit [work] [and [no] chain] [[no] release] rollback [work] [and [no] chain] [[no] release] set autocommit = {0 | 1} start transaction or begin statement can start a