oracle function

Original Address--http://blog.csdn.net/qq525099302/article/details/47253351 Create or replace function Generate_coupons_code (v_length in number : = +) return varchar2 is V_code varchar2 ();Type T_arr is Varray of VARCHAR2 (1); Char_arr T_arr;

This article introduces the process of extending the Oracle function library for php in windows. it is very detailed. if you need it, you can refer to it. My colleague received a task yesterday to use php to process the content of the oracle

Oracle FUNCTION [SQL] www.2cto.com create or replace function FUNC_AAC00215_18 (prm_aac002 varchar2) return varchar2 is ll_ I number (4): = 18; ll_row number (5): = 0; var_aac002 varchar2 (18); ll_sfz18 number (3); ll_sfz varchar2 (3); var_sfz18

Oracle function-based indexes, such as executing the following SQL statement: select * from emp where upper (ename) = 'King', even if an index is created on the ename, the emp table will be scanned in the entire table, And the ename field in the

Meaning of =) in oracle function parameters Today we see an MD5 encryption problem. Many languages provide encryption functions. oracle also provides MD5 encryption functions. I searched the internet and the encryption function is:

This article introduces the process of extending the Oracle function library for php in windows. It is very detailed. If you need it, you can refer to it. My colleague received a task yesterday to use php to process the content of the oracle

Common Oracle function summary ************************************************************ **************************************** SQL group functions (Num can be a column or expression )*(Null values are ignored, default between distinct and all

Comparison between MySQL and Oracle: Function 3: mysqloracle Function No. Category ORACLE MYSQL Note 1 Numeric Functions Round (1.23456, 4) Round (1.23456, 4) Same:ORACLE: select round (1.23456

Oracle function INSTR usage: (Source string, target string, start position, matching serial number) In Oracle/PLSQL, The instr function returns the position of the string to be truncated in the source string. Only retrieval once, that is, starting

Oracle function summary, oracle Summary Among the various databases that are currently popular, why oracle can be listed at the beginning and the birth of oracle has brought a storm to the use of the whole database, what functions and advantages

Explain Oracle functions and subprograms, and explain oracle function instances SubroutineI,Subroutine Overview The PL/SQL naming block is defined in the Declaration part of the PL/SQL block. The user calls it a subroutine. Generally speaking: The

Single-record functions in common Oracle function sql1.ASCIIReturns the decimal number corresponding to the specified character;Sql> Select ASCII (' a ') a,ascii (' A ') a,ascii (' 0 ') zero,ascii (') space from dual;A A ZERO space--------- ---------

--built-in functions--aggregate function returns a single valueSelect Count(*) fromStudentwhereSclass='95031';--count () record number of barsSelect sum(degree) fromScore T;--Sum (degree) to find the sum of resultsSelect avg(degree) fromScore

definition of the function:CREATE OR REPLACE FUNCTIONFunction_test (PARAMER1inch VARCHAR,--the type of the parameter does not write length PARAMER2 outVARCHAR, PARAMER3inch VARCHAR) RETURN VARCHAR--function to write return valueAs--Indicates the

Prerequisites: Maintenance of statutory festivals (T_FDJR) in the official holiday calendar including Saturday Sunday/** * Function Description: Gets the days of the day after this date based on the date entered and the number of days * Input

SUBSTR () and SUBSTRB () differ in the interception of Chinese characters, a Chinese character may account for 2 or 3 characters, substr () the length of the Intercept refers to the length of the string, the length of the SUBSTRB () is the length of

Oracle function development 1. syntax for creating a FUNCTION: CREATE [or replace] FUNCTION name [(arg1 [mode] datatype [, ......])] -- When the parameter data type is specified, its length cannot be specified. Mode Value: IN, OUT, and in out. If

Why is this Oracle function with parameters not input? -- The truth is that there are two tables in my Oracle Database: emp (employee table) and dept (Department table). The table structure is as follows: the table www.2cto.com Emp is as follows:The

How to create an oracle Function IndexAn important new feature of Oracle8i is the addition of the function-based index (hereinafter referred to as the FBI ).With this feature, Oracle DBA can use functions or expressions in the index. These functions

Quick query of Oracle function list 2004-10-20 22:53:13  PL/SQL single-row functions and group functionsA function is a program with zero or multiple parameters and a return value. Oracle has a series of