The alias specified in the UPDATE clause representing the table or view from which the rows are to be updated.server_name Is the name of the server (using a linked server name or the OPENDATASOURCE function as the server name) on which the table or view is located. If server_name is sp...
The expression can't be a subquery or contain alias data types. Computed columns can be used in select lists, WHERE clauses, ORDER BY clauses, or any other locations in which regular expressions can be used, with the following exceptions: Computed columns must be marked PERSISTED to ...
An alias is frequently a shortened table name used to refer to specific columns of the tables in a join. If the same column name exists in more than one table in the join, SQL Server may require that the column name is qualified by a table name, view name, or alias to distinguish ...
Alias Name The name (alias) that you want to use to refer to this connection. Pipe Name or Port Number Additional elements of the connection string. The name of this box varies with the selected protocol. Protocol The protocol used for the connection. ...
The same rules applies when you want to use an alias for a table. Example Refer to the Customers table as Persons instead: SELECT*FROMCustomersASPersons; Try it Yourself » It might seem useless to use aliases on tables, but when you are using more than one table in your queries, it...
In this example, we've created an alias for theproductstable and an alias for thecategoriestable. Now within this SQL statement, we can refer to theproductstable aspand thecategoriestable asc. When creating table aliases, it is not necessary to create aliases for all of the tables listed i...
presto 定义数组 array [1, 2] 但是在where语句中presto也可以写成 where val in (val1, val2) 的圆括号形式。 hive size函数:size(split(user_ids,',')) presto cardinality:cardinality(split(user_ids,',')) 数组下标:hive的数组index从0开始 presto的数组index从1开始。
When specified as a string,language_termcorresponds to thealiascolumn value in thesys.syslanguages (Transact-SQL)compatibility view. The string must be enclosed in single quotation marks, as in 'language_term'. When specified as an integer,language_termis the actual LCID that identifies the langua...
alias specifies names for the expressions selected by the view's query. The number of aliases must match the number of expressions selected by the view. Aliases must follow the rules for naming schema objects in the section, "Referring to Schema Objects and Parts". Aliases must be unique wi...
Xmlnamespacesaliaselement XmlNamespacesDefaultElement Xmlnamespaceselement Microsoft.SqlServer.TransactSql.ScriptDom.VersioningLearn SQL Server Navegador da API .NET Microsoft.SqlServer.TransactSql.ScriptDom Navegador da API .NET Microsoft.SqlServer.TransactSql.ScriptDom ...