WebApr 13, 2024 · 1、sysdate:查询当前日前包含时间 select sysdate from dual; 2、length(str):返回字符串的长度,str 表示一个字符串 select length ('aa') from dual; select ename, length (ename) from emp;--查询姓名有6个字符的员工信息 select * from emp where length (ename) = 6; 3、concat(str1,str2):str1,str2都是字符串,将字符串str1 和 str2 拼 … WebSep 26, 2024 · SELECT 'Database Star', SUBSTR('Database Star', 1, 10) AS SUB FROM DUAL; Result: DATABASESTAR: SUB: Database Star: Database S: This shows the first 10 characters from the string. Example 2: This example only uses …
SQL Character Functions with Examples - GeeksforGeeks
WebThe return value is the same data type as char. The database sets the case of the initial characters based on the binary mapping defined for the underlying character set. For … WebJul 25, 2024 · In Oracle, the INITCAP () function returns its argument with the first letter of each word in uppercase, and all other letters in lowercase. For special linguistic requirements for case conversions, you may want to try the NLS_INITCAP () function instead. Syntax The syntax goes like this: INITCAP (char) gocycle wheel size
using initcap - Oracle Forums
WebJul 1, 2012 · Listings 3 and 4 demonstrate the INITCAP function. The query in Listing 3 uses INITCAP to convert certain first and last names from being stored in all lowercase in the EMPLOYEE table to being displayed with initial capital letters. The INITCAP function capitalizes the first letter of a string and lowercases the remainder of the string, as … WebJul 25, 2024 · In Oracle, the INITCAP () function returns its argument with the first letter of each word in uppercase, and all other letters in lowercase. For special linguistic … WebINITCAP function set the first character in each word into uppercase and other are lower in a string. This will capitalize the initial letter of the string. Syntax: initcap (string) Ex: SQL> … gocycling at east coast park