The T-SQL language provides us with the@@ROWCOUNTsystem variable. This variable returns the number of rows affected by the last executed statement in the batch. In this tip, we’ll demonstrate how to use this variable and point out some caveats. Using SQL Server @@ROWCOUNT The usage of th...
SqlConnection(Utility.ConnStr_DbServerSync); this.Connection = serverConn; //Create a command to retrieve a new anchor value from //the server. In this case, we use a BigInt value //from the change tracking table.//During each synchronization, the new anchor value and /...
After INSERT Trigger question - how to use value from last added record Age Bucket in sql Age calculation in report builder query Aggregated CASE expressions versus the PIVOT operator… Is one better than the other? Aging Report SQL Query Alias all columns in a given table Alias column w...
SQLOzziewrote: Along the same lines, what techniques do people use to inject commas into, say, @@ROWCOUNT vs the FORMAT statement - FORMAT( @@ROWCOUNT ), '###,###,###,##0' ) AS RowCount I still find it hard to believe the output 'naturally' comes out unformatted - maybe my...
cursor.executemany(stmt_str, value_tuple) conn.commit() last_row_id = cursor.lastrowid print('last_row_id: ' + str(last_row_id)) insert_row_count = cursor.rowcount print('insert_row_count: ' + str(insert_row_count)) cursor.close() conn.close() print('insert many records to ...
I'm writing T-SQL unit tests in Visual Studio (also a requirement). Obviously the zero rows affected value is available. SQL Server knows that zero rows were updated. However, that information is not in @@ROWCOUNT. Where is it? I need to get it in T-SQL so ...
introwCount=SqlQueryUtils.getIntValue(querySQL, con); if(rowCount!=0) { log.error("User with userId ="+userId+"already exists!"); returnnull; } //insert the data to the database CallableStatement cs=con.prepareCall(insertSQL);
In MSSQL i use this SP for this job (Performance testing): CREATE PROCEDURE dbo.uspInsertSerials @StartNumber INT, @Qty INT, @ExpiryDate SMALLDATETIME AS SET NOCOUNT ON SET ROWCOUNT @Qty IF OBJECT_ID('TempDB..#Tally','U') IS NOT NULL ...
Calcite Optimizer is a classic relational algebra optimization in databases. It includes rule-based optimization (RBO) and cost-based optimization (CBO). It also defines a large number of optimization rules and deduces a large amount of meta information (such as PrimaryKey and RowCount) to help...
This situation is handled in the default procedures by raising an error if no rows are affected on an update: Copy if @@rowcount = 0 if @@microsoftversion>0x07320000 exec sys.sp_MSreplraiserror 20598 Raising the error forces the Distribution Agent to retry the updates over a single ...