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...
Oracle/PLSQL:LENGTH Function This Oracle tutorial explains how to use the Oracle/PLSQLLENGTH functionwith syntax and examples. Description The Oracle/PLSQL LENGTH function returns the length of the specified string. Syntax The syntax for the LENGTH function in Oracle/PLSQL is: LENGTH( string1 )...
Restriction on LENGTHB (Lengthb函数的限制) 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')...
Oracle Database SecureFiles and Large Objects Developer's Guide Restriction on LENGTHB TheLENGTHBfunction is supported for single-byte LOBs only. It cannot be used withCLOBandNCLOBdata in a multibyte character set. Examples The following example uses theLENGTHfunction using a single-byte database ch...
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...
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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; ...
OracleLength和Lengthb函数说明 一.官网的说明 http://download.oracle.com/docs/cd/E11882_01/server.112/e26088/functions088.htm# SQLRF00658 Purpose TheLENGTHfunctionsreturn the length ofchar.LENGTHcalculates length usingcharacters as defined by the input character set.--返回以字符为单位的长度.LENGTH...
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 ...
Oracle数据库系统应用开发实用教程电子课件 第8章 存储过程、函数、程序包和触发器 热度: 一.官网的说明 http://download.oracle/docs/cd/E11882_01/server.112/e26088/functions088.htm# SQLRF00658 Purpose TheLENGTHfunctionsreturnthelengthofchar.LENGTHcalculateslengthusingcharacters ...