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...
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)); 19 20 /* retrieve the remainder of the ...
While INSTR returns 6 as the starting position of “berry”, INSTRB will return 12, because it assumes that “strawberry” is in a double-byte character set, so it counts character positions in bytes (two per character), and returns the presumed starting byte of “berry”. The other three...
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...
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...
_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_...
Applies to:Azure SQL Database, Azure SQL Managed Instance, Azure Synapse Analytics, Analytics Platform System (PDW), and Warehouse and SQL analytics endpoint in Microsoft Fabric The following example shows how to return only a part of a character string from a given start position. Since theleng...
Use the INSTR() function to find the starting position of a substring within a string. It works similar to the CHARINDEX() function in Oracle servers. Or the general POSITION() function used inPostgreSQL databases. The Syntax is: INSTR(string, substring [, start_position [, occurrence]]) ...