In today's era of big data, SQL is not only used by data professionals but also by non-technical personnel in product and operations roles. Efficiently harnessing the power of SQL to leverage data becomes crucial. MaxCompute (ODPS)SQL has evolved to a mature stage. As an SQL dialect, it ...
SQL Server 2008 R2, SQL Server 2012, or SQL Server 2014. In this situation, you may experience Merge Agent failure or incorrect results such as additional characters in character type columns or additional numbers...
This SQL fragment begins with aSELECTstatement that returns two columns fromtable1, followed by theUNIONoperator and a secondSELECTstatement. The secondSELECTquery also returns two columns, but fromtable2. TheUNIONkeyword tells the database to take the preceding and following queries, execute them ...
SQLServer:TransactionsProvides information about the active transactions in SQL Server, such as the overall number of transactions and the number of snapshot transactions. SQLServer:User SettablePerforms custom monitoring. Each counter can be a custom stored procedure or any Transact-SQL statement that ...
FIX: SQL Server 2014, 2016 and 2017 do not perform the requested pre-row assignments when you use MERGE statement that performs assignments of local variables for each row
SQLServer:TransactionsProvides information about the active transactions in SQL Server, such as the overall number of transactions and the number of snapshot transactions. SQLServer:User SettablePerforms custom monitoring. Each counter can be a custom stored procedure or any Transact-SQL statement that ...
Some database—namely Microsoft SQL Server, IBM Db2, and also PostgreSQL since release 11—offer an include clause in the create index statement. The introduction of this feature to PostgreSQL is the trigger for this long overdue explanation of the include clause. Before going into the details,...
A downside of this approach is the data duplication into the logging table, which can be troublesome when theMERGE statementhas to handle large amounts of data. Next Steps See these related articles: Count of rows with the SQL Server COUNT Function ...
'VARCHAR' is not a recognized built-in function name. 'WHEN MATCHED' cannot appear more than once in a 'UPDATE' clause of a MERGE statement. "EXECUTE AT" with Dynamic Linked Server Name "explicit value must be specified for identity column in table" error in SQL 2000 "FROM clause have ...
SQL Server has always supported triggers, a special class of stored procedures defined to execute automatically when an update, insert, or delete statement is issued against a table. This ability has been extended with the inclusion of an INSTEAD OF...