Table 1. SQLGetPosition arguments Usage SQLGetPosition()is used in conjunction withSQLGetSubString()in order to obtain any portion of a string in a random manner. In order to useSQLGetSubString(), the location of the substring within the overall string must be known in advance. In situation...
2、RIGHT() RIGHT (<character_expression>, <integer_expression>) 返回character_expression 右起 integer_expression 个字符。 3、SUBSTRING() SUBSTRING (<expression>, <starting_ position>, length) 返回从字符串左边第starting_ position 个字符起length个字符的部分。 已知: 字段A='F:\photo\Winter Leaves....
SQL_SNVF_CHARACTER_LENGTHSQL_SNVF_EXTRACTSQL_SNVF_OCTET_LENGTHSQL_SNVF_POSITION SQL_SQL92_PREDICATES 3.0 一个SQLUINTEGER 位掩码,用于枚举 SELECT 语句中支持的谓词,如 SQL-92 中定义。必须支持此功能的 SQL-92 或 FIPS 一致性级别显示在每个位掩码旁边的括号中。以下位掩码用于确定数据源支持的选项:SQL_...
json解析函数get json_object 重复字符串函数:repeat URL解析函数:parse url 集合查找函数:find_in_set 字符串反转函数:reverse CREATE TABLE temp (id int,name string,email string,phone string) INSERT INTO temp VALUES (1, 'John Doe', 'john.doe@example.com', '123-456-7890'), (2, 'Jane...
String script = DSLUtils.toScript(namedScript.getScript(), namedScript.getParams(), new PlaintextParamsParser() { private final SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.S"); @Override protected String convert(Object value) { if (value instanceof Date) { return ...
'VARCHAR', 'VARCHARACTER', 'VARIABLES', 'VARYING', 'VIEW', 'VIRTUAL', 'WAIT', 'WARNINGS', 'WEEK', 'WEIGHT_STRING', 'WHEN', 'WHERE', 'WHILE', 'WITH', 'WITHOUT', 'WORK', 'WRAPPER', 'WRITE', 'X509', 'XA', 'XID', 'XML', 'XOR', 'YEAR', 'YEAR_MONTH', 'ZEROFILL' ] ...
GetSubString (long pos, int length); Parameters pos Int64 the first character of the substring to be extracted. The first character is at position 1. length Int32 the number of consecutive characters to be copied; the value for length must be 0 or greater Returns String a String that...
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...
The start byte or character is numbered 1. SQLINTEGER ForLength input This is the length of the string to be returned by the function. For BLOBs and CLOBs, this is the length in bytes. For DBCLOBs, this is the length in characters. If FromPosition is less than the length of the...