pl lpad

Original link: http://blog.csdn.net/myzhanglt/article/details/7392999 Today's study encountered an unfamiliar function lpad, looked up the document, the usage summarized as follows:Lpad Function: used in PL/SQL to fill some characters to the

Indexof/lastindexof and lpad in Oracle -- In the indexof and lastindexof instr ('upgrade floor ', 'or', 3, 2) of PL/SQL, the source string is 'upgrade floor ', the target string is 'or', the start position is 3, and the position of the

In the Pl/sql test window --Created on 2005-7-3 by TangtianDeclare--Local variablesI integer;leftpad varchar (11);Rightpad varchar (14);Begin--Test statements hereSELECT lpad (' hello! ', 8, ' Tangtian '), Rpad (' hello! ', 8, ' Tang ') into the

I. Functions 1. lpad/rpad in Oracle/PLSQL, the lpad function pads the left-side of a string with a specific set of characters. the syntax for the lpad function is: lpad (string1, padded_length, [pad_string]) string1 is the string to pad characters

The PL/SQL string is actually an optional sequence of dimension-specification characters. A character can be a combination of numbers, letters, blanks, special characters, or all. PL/SQL provides three types of strings:　　fixed-length string : In

function | An explanatory function is a program that has 0 or more parameters and has a return value. In SQL, Oracle builds a series of functions that can be called SQL or PL/SQL statements, and functions fall into two main categories: Single line

Overview of parallel and concurrent collection statisticsIn order to increase the efficiency of statistical information collection, Oracle has introduced a method of parallel and concurrent collection of statistics as application data increases and

On the Internet, I often ask what is the maximum length of Oracle varchar2? In fact, this name is not accurate. varchar2 is used in both oracle SQL and pl/SQL. oracle points out in the SQL reference manual and pl/SQL reference manual: the maximum

1, set linesize 100; Set length2, set pagesize 30; Set the number of displays per page3. Em A.sql Open Notepad4, @ A executes the code in file A, you can specify the path of the file @d:a.txt5, conn user name/password to connect to the database

PL/SQL single-line functions and group functionsA function is a program that has 0 or more parameters and has a return value. Oracle has built a series of functions in SQL, which can be called SQL or PL/SQL statements, and functions are divided into