Find the staring location of pattern in string str. Oracle: INSTR (str, pattern, [starting position, [nth occurrence]])Find the starting location of the nth occurrence of pattern beginning in the starting position-th position in string str. ...
语法: find_in_set(string str, string strList) 返回值: int 说明: 返回str在strlist第一次出现的位置,strlist是用逗号分割的字符串。如果没有找该str字符,则返回0 使用:select find_in_set('ab','ef,ab,de') from student limit 1; 2 > SELECT find_in_set('ab','abc,b,ab,c,def'); 3 字...
SETTEXTSIZE0;-- Create variables for the character string and for the current-- position in the string.DECLARE@positionINT, @stringCHAR(8);-- Initialize the current position and the string variables.SET@position=1;SET@string='New Moon'; WHILE @position <= DATALENGTH(@string)BEGINSELECTASCII...
SET TEXTSIZE 0; -- Create variables for the character string and for the current -- position in the string. DECLARE @position INT, @string CHAR(8); -- Initialize the current position and the string variables. SET @position = 1; SET @string = 'New Moon'; WHILE @position <= DATALENGTH...
SQL_SNVF_CHARACTER_LENGTHSQL_SNVF_EXTRACTSQL_SNVF_OCTET_LENGTHSQL_SNVF_POSITION SQL_SQL92_PREDICATES 3.0 SQLUINTEGER 位掩碼,列舉 SELECT 語句中支援的述詞,如 SQL-92 中所定義。每個位掩碼旁的括弧中會顯示必須支援此功能的SQL-92 或 FIPS 一致性層級。下列位掩碼可用來判斷數據源支援的選項:SQL_SP_...
_COORDINATOR_NOT_SUPPORTED_IN_COMMAND、DELTA_NON_UC_COMMIT_COORDINATOR_NOT_SUPPORTED_IN_SESSION、DELTA_UNSET_NON_EXISTENT_PROPERTY、INAPPROPRIATE_URI_SCHEME_OF_CONNECTION_OPTION、STDS_INVALID_OPTION_VALUE、UNSUPPORTED_COMMON_ANCESTOR_LOC_FOR_FILE_STREAM_SOURCE、UNSUPPORTED_INITIAL_POSITION_AND_TRIGGER_PAIR_...
13 /* retrieve the last character in the string */ 14 dbms_output.put_line ( SUBSTR (greetings, -1, 1)); 15 16 /* retrieve five characters, 17 starting from the seventh position. */ 18 dbms_output.put_line ( SUBSTR (greetings, 7, 5)); ...
OF, OFFSET, OLD, ON, ONLY, OPEN, OPTION, OPTIONS, OR, ORDER, ORDERING, ORDINALITY, OTHERS, OUT, OUTER, OUTPUT, OVER, OVERLAPS, OVERLAY, OVERRIDING, PAD, PARAMETER, PARAMETER_MODE, PARAMETER_NAME, PARAMETER_ORDINAL_POSITION, PARAMETER_SPECIFIC_CATALOG, PARAMETER_SPECIFIC_NAME, PARAMETER_SPECIFIC...
IN SECTION CATALOG INCLUDE SELECT CHAR INDEX SESSION CHAR_LENGTH INDICATOR SESSION_USER CHARACTER INITIALLY SET CHARACTER_LENGTH INNER SIZE CHECK INPUT SMALLINT CLOSE INSENSITIVE SOME COALESCE INSERT SPACE COLLATE INT SQL COLLATION INTEGER SQLCA
The rules also specify the code page that's used to store non-Unicode character data. Both Unicode and non-Unicode sorting are compatible with string comparisons in a particular version of Windows. This provides consistency across data types within SQL Server, and it lets developers sort strings...