ADD MASKED WITH (FUNCTION = ' mask_function ') Applies to: SQL Server 2016 (13.x) and later, SQL Database. Specifies a dynamic data mask. mask_function is the name of the masking function with the appropriate parameters. The following functions are available: default() em...
ADD MASKED WITH (FUNCTION = ' mask_function ') Applies to: SQL Server 2016 (13.x) and later, SQL Database. Specifies a dynamic data mask. mask_function is the name of the masking function with the appropriate parameters. The following functions are available: default() email() partial()...
The ODBC function {fn CONVERT()} uses the default date format of the language. For some languages, the default format is YDM, which can result in conversion errors when CONVERT() is combined with other functions, such as{fn CURDATE()}, that expect a YMD format.The ODBC function{fn CONVE...
The documentation for each function that must run exclusively on the leader node includes a note stating that the function will return an error if it references user-defined tables or Amazon Redshift system tables. SeeLeader node–only functionsfor a list of functions that run exclusively on the...
The following examples show using theOVERclause with aggregate functions. In this example, using theOVERclause is more efficient than using subqueries. SQL SELECTSalesOrderNumberASOrderNumber, ProductKey, OrderQuantityASQty,SUM(OrderQuantity)OVER(PARTITIONBYSalesOrderNumber)ASTotal,AVG(OrderQuantity)OVER(...
LINQPad allows you to use SQL aggregate functions such asCount,Sum, orAvg(average), as a LINQ-to-SQL query methods. Each one of these methods is treated as an extension method for each table in the model. Assuming that all tables have already been populated with data, the following sam...
Having the server do the processing is usually much more efficient, especially when working with large data sets. Your application can also use user-defined functions, stored procedures, and triggers to centralize and share application logic, business rules an...
For more information, see String Functions and Operators in the PostgreSQL documentation. Prepare Using a PREPARE statement can improve performance of reusable SQL statements. The PREPARE command can receive a SELECT, INSERT, UPDATE, DELETE, or VALUES statement and parse it ...
ExamplesA. Return maximum value from a list of constantsThe following example returns the maximum value from the list of constants that is provided.The scale of the return type is determined by the scale of the argument with the highest precedence data type.SQL Kopiraj ...
The columns in must be compatible with the columns into which values are being inserted. cannot reference aggregate functions or TEXTPTR.หมายเหตุ Any variables listed in the SELECT list refer to their original values, regardless of any changes made to them in <dml_statem...