('t', 'f', NULL) AS ARRAY<BOOLEAN>); [true, false, NULL] > SELECT cast(array('t', 'f', NULL) AS INTERVAL YEAR); error: cannot cast array<string> to interval year > SELECT cast(array('t', 'f', 'o') AS ARRAY<BOOLEAN>); error: invalid input syntax for type boolean:...
syntaxsql 複製 CAST ( expression AS data_type [ ( length ) ] ) CONVERT 語法:syntaxsql 複製 CONVERT ( data_type [ ( length ) ] , expression [ , style ] ) Transact-SQL 語法慣例引數expression任何有效的運算式。data_type目標資料類型。 這包括 xml、bigint 和sql_variant。 無法使用別名...
CAST is a complex function that transforms one or more values from one data type into another. Syntax .-<< , <<---. V | >>-CAST--(---source_expression-+-- AS--DataType---> >--+---+--+---+---> '-CCSID--expression-' '-ENCODING--expression-' >--+---+--+---+--)...
cast sql语法cast sql 英文回答: The CAST SQL syntax allows you to convert data from one data type to another. The general syntax is as follows: CAST(expression AS data_type)。 Where: expression is the value you want to convert. data_type is the data type you want to convert the ...
The CAST function converts a value from one data type to another and provides a data type to a dynamic parameter (?) or a NULL value. CAST expressions are permitted anywhere expressions are permitted. Syntax CAST ( [ Expression | NULL | ? ] AS Datatype) The data type to which you ...
Theconvert functionis specific to Microsoft's T-SQL and will not function properly on other DBMSs, unlike the CAST function that is an ANSI standard and is cross platform compatible. The syntax is as follows: CONVERT (Data_Type, (length), expression/value, style) ...
Converts an expression of one data type to another in SQL Server 2008 R2. Transact-SQL Syntax Conventions Syntax Copy Syntax for CAST: CAST ( expression AS data_type [ ( length ) ] ) Syntax for CONVERT: CONVERT ( data_type [ ( length ) ] , expression [ , style ] ) Arguments ...
Subclause 11.63, "<user-defined cast definition>": <user-defined cast definition> ::= CREATE CAST <left paren> AS <target data type> <right paren> WITH <cast function> [ AS ASSIGNMENT ] ... Conformance Rules Without Feature S211, "User-defined cast functions", conforming SQL ...
SyntaxCAST(value AS datatype)The value is either a property or a literal string.The datatype is an XML data type. XML data types are case-sensitive.RemarksBy using base-64 encoding, you can encode binary custom property values in a format that can be sent in XML. All Exchange Server ...
For example, the cast from xml to text can be performed for free in the present implementation, but the reverse direction requires a function that performs at least a syntax check. (Two types that are binary coercible both ways are also referred to as binary compatible.) ...