Access and three-tier application does not really go together, although you could put the Access application as a Remote Desktop application.Use SQL Server Authentication. When you create logins in SQL Server, append an obscure set of chars ($%@!x) to the password you supply to the user...
In the following example we again specify the server using “-S” but we also pass the “-Q” parameter which allows us to pass a query in on the command line that will be executed as soon as the connection completes. Note that after the query completes sqlcmd will exit and put you ...
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requested in the SQL batch. For instance a query plan will describe an access path like'open index idx1 on table t, locate the row with the key 'k' and return the columns a and b'. As a side note: a common mistake done by developers is trying to come up with a single T-SQL q...
Remember that first query and graphical execution plan I presented in theearlier tipin the series? If not, here it is below. I will continue to use it as the basis for our discussion. This is a very simple SELECT statement against the Northwind sample database in SQL Server, with a filt...
Index is set to the read/write status. Shared (S) or schema modification (Sch-M) The target isn't accessed by user queries until the index operation is completed. After the preparation or final phase is complete, query plans that are stored in the plan cache might be invalidated. The ...
A SQL update with join is a query used to update the data in a table based on data in another related table. The join is used to associate records in one
A slow and long-running SQL query execution consumes many processors, memory, and disk of your server, so finding and optimizing them for performance tuning is crucial. Such queries eventually delay the quick processing of queries and hold them in the queue.There are certa...
*/ $conn = sqlsrv_connect( $serverName, $connectionInfo); if( $conn === false ) { echo "Unable to connect."; die( print_r( sqlsrv_errors(), true)); } /* Query SQL Server for the login of the user accessing the database. */ $tsql = "SELECT CONVERT(varchar(32), SUSER_SN...
Applies to: SQL Server Azure SQL Managed Instance Transactional replication allows you to specify how data changes are propagated from the Publisher to Subscribers. For each published table, you can specify one of four ways that each operation (INSERT, UPDATE, or DELETE) should be propagated to ...