The PL/SQL package StringUtils consists two functions that facilitate string manipulation operations. The ReverseString Function accepts an input parameter 'input_string' of type VARCHAR2 and returns a reversed version of the string then checks for NULL. A loop that iterates in reverse order from ...
Linked 0 nText and String manipulation. SQL SERVER Related 1 Convert all ntext columns to nvarchar(max) 7 T-SQL - How to split (char separated) string into rows and columns 1 Remove both Special Characters and String Characters from output SQL Server 7 Storing NULL versus storing ''...
Character-manipulation functions 字符操作函数 Character functions- Accepts character input and returns number or character value. Functions under the category are CONCAT, LENGTH, SUBSTR, INSTR, LPAD, RPAD, TRIM and REPLACE. CONCAT function concatenates two string values. LENGTH function returns the lengt...
SQL_CONVERT_FUNCTIONS SQL_NUMERIC_FUNCTIONS SQL_STRING_FUNCTIONS SQL_SYSTEM_FUNCTIONS SQL_TIMEDATE_ADD_INTERVALS SQL_TIMEDATE_DIFF_INTERVALS SQL_TIMEDATE_FUNCTIONS Conversion Information The following values of the InfoType argument return a list of the SQL data types to which the data source can conve...
Implementation of XQuery in SQL Server 2005 supports a subset of the built-in functions of XQuery 1.0 and XPath 2.0. These functions include data accessor functions, string manipulation functions, aggregate functions, context functions, numeric functions, Boolean functions, node functions, and sequence...
The plus sign (+) is the string concatenation operator that enables string concatenation. All other string manipulation is handled by using string functions such asSUBSTRING. By default, an empty string is interpreted as an empty string in INSERT or assignment statements on data of thevarchardata...
String function or operatorWith an SCA collationWithout an SCA collation CHARINDEXLENPATINDEX The UTF-16 surrogate pair is counted as a single code point. The UTF-16 surrogate pair is counted as two code points. LEFTREPLACEREVERSERIGHTSUBSTRINGSTUFF These functions treat each surrogate pair as a ...
SQL_CONVERT_FUNCTIONS SQL_NUMERIC_FUNCTIONS SQL_STRING_FUNCTIONS SQL_SYSTEM_FUNCTIONS SQL_TIMEDATE_ADD_INTERVALS SQL_TIMEDATE_DIFF_INTERVALS SQL_TIMEDATE_FUNCTIONSConversion InformationThe following values of the InfoType argument return a list of the SQL data types to which the data source can convert...
String function or operatorWith an SCA collationWithout an SCA collation CHARINDEXLENPATINDEX The UTF-16 surrogate pair is counted as a single code point. The UTF-16 surrogate pair is counted as two code points. LEFTREPLACEREVERSERIGHTSUBSTRINGSTUFF These functions treat each surrogate pair as a ...
Common language runtime (CLR) functions offer significant performance advantage over Transact-SQL functions for computational tasks, string manipulation, and business logic. Transact-SQL functions are better suited for data-access intensive logic.