The syntax for the LENGTH function in Oracle/PLSQL is: LENGTH( string1 ) Parameters or Arguments string1 The string to return the length for.Returns The LENGTH function returns a numeric value. If string1 is NUL
在动态SQL中,Oracle的LENGTH函数可以用于获取字符串的长度。以下是一个示例动态SQL语句,使用LENGTH函数来获取一个字符串的长度: DECLARE v_string VARCHAR2(50) := 'Hello World'; v_length NUMBER; BEGIN EXECUTE IMMEDIATE 'SELECT LENGTH(:1) FROM DUAL' INTO v_length USING v_string; DBMS_OUTPUT.PUT_LIN...
This Oracle tutorial explains how to use the Oracle/PLSQL LENGTHC function with syntax and examples.Description The Oracle/PLSQL LENGTHC function returns the length of the specified string, using Unicode complete characters.Syntax The syntax for the LENGTHC function in Oracle/PLSQL is: LENGTHC(...
NoSQL Database/ Release 24.4 SQL Reference Guide The length function returns the length of a character string. The length function calculates the length using the UTF character set. Syntax returnvaluelength(source) source ::= any* returnvalue ::= integer ...
The syntax for the LENGTH function in Oracle/PLSQL is: LENGTH( string1 ) Parameters or Arguments string1 The string to return the length for. Note:Ifstring1is NULL, then the LENGTH function will return NULL. Applies To The LENGTH function can be used in the following versions of Oracle/...
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The said code in Oracle's PL/SQL defines a function that calculates and returns the maximum length of department names in the "departments" table. The function "get_max_department_length" and it doesn't take any input parameters. Two variables v_max_length of NUMBER type and initialized to...
Oracle / PLSQL函数 - LENGTH和LENGTHB 1、LENGTH( string1 )2、LENGTHB( string1 ) 在oracle中,这两个函数都有差不多意思,最大的区别在于:length 求得是字符长度,lengthb求得是字节长度。 在了解这些之后,看些例子就明白了 --查询姓名 select colName1 as 编号, colName2 as 姓名 from tableName;...
The LENGTHB functionis supported for single-byte LOBs only. It cannot be used with CLOB and NCLOB datain a multibyte character set. Examples The followingexample uses the LENGTH function using a single-byte databasecharacter set: SELECT LENGTH('CANDIDE') "Length incharacters" FROM DUAL; ...
LENGTH(string_expression);Code language:SQL (Structured Query Language)(sql) Arguments# The OracleLENGTH()function accepts one argument: string_expression is the string or an expression that returns a string to be evaluated. Thestring_expressioncan be a constant, a variable, or a column of a ...