first_value 函式 展平函式 浮點數函式 (float function) 無條件捨去函數 對所有元素的函式 格式化數字函式 format_string 函式 from_avro 函式 from_csv 函數 from_json 函式 from_unixtime 函式 from_utc_timestamp 函式 from_xml 函式 取值函式 getbit
resumable--enable or disable resumableforcurrentsession(DefaultFALSE)resumable_name--text string to help identify resumable statement resumable_timeout--waittime(inseconds)forRESUMABLE(Default7200)date_cache--size(inentries)ofdate conversioncache(Default1000)no_index_errors--abort load on any indexerrors...
OF VIEW DOMAIN ON WHEN DOUBLE ONLY WHENEVER DROP OPEN WHERE ELSE OPTION WITH END OR WORK END-EXEC ORDER WRITE ESCAPE OUTER YEAR EXCEPT OUTPUT ZONE EXCEPTION 将来的关键字 下列关键字可能会在将来的 SQL Server 版本中保留使用,作为将来要实现的新功能。注意,不要使用这些关键字作为标识符。
1 Msg 241, Level 16, State 1, Line 1 Conversion failed when converting date and/or time from character string. 1. 2. 你可能会认为,这个语句返回一个将当前日期和时间转换为一个文本值的结果并不会很难,但由于 DATETIME 比文本值的优先级更高,所以 SQL 试图将一个文本值转换为一个日期。 ‘Today ...
This string contains no line-break character. 連結演算子の詳細は、「連結演算子」を参照してください。 '0'から'9'は、整数リテラルの0から9と同じではありません。 ただし、PL/SQLによって整数に変換されるため、算術式内で使用できます。 0(ゼロ)文字の文字リテラルは値NULLを持っており...
EmployeeID FirstName LastName PostalCode --- --- --- --- 290 Lynn Tsoflias 3000 C: 使用组合了范围和单字符的集 通配符集可包含单字符和范围。 以下示例使用 [] 运算符查找以数字或一系列特殊字符开头的字符串。 sql SELECT[object_id], OBJECT_NAME(object...
10 /* retrieve the first character in the string */ 11 dbms_output.put_line ( SUBSTR (greetings, 1, 1)); 12 13 /* retrieve the last character in the string */ 14 dbms_output.put_line ( SUBSTR (greetings, -1, 1)); 15
For example, a money column that contains the value 1,234,567.123456 is bulk exported to a data file as the character string 1234567.1235. Command options for character format You can import character format data into a table using bcp, BULK INSERT (Transact-SQL), or OPENROWSET (Transact-SQL...
For the sqlcmd (Go) utility, -N takes a string value that can be one of true, false, or disable to specify the encryption choice. (default is the same as omitting the parameter):Note On Linux and macOS, [s|m|o] were added in sqlcmd 18.0. -N can be o (for optional), m (...
If either operand is NULL, the result of the SIMILAR TO operation is UNKNOWN. 15 Non-alphanumeric Special characters To explicitly match a special character in the character string, that special character must be preceded by an escape character defined using an ESCAPE clause specified at the...