Home Database Mysql Tutorial DB2 递归SQL 根据当前机构查询所有下属机构树

DB2 递归SQL 根据当前机构查询所有下属机构树

Jun 07, 2016 pm 03:31 PM
db2 sql recursion

CREATE TABLE UNTECK_ORGANIZATION ( ID BIGINT NOT NULL, LEVEL_ INTEGER, NAME VARCHAR(64), AREACODE VARCHAR(8), ORGSEQ VARCHAR(128), PARENTID BIGINT, THESORT INTEGER, DESCN VARCHAR(256), DEL_FLAG INTEGER, CREATE_TIME TIMESTAMP, CREATE_USER V

CREATE TABLE UNTECK_ORGANIZATION ( 
ID BIGINT NOT NULL, 
LEVEL_ INTEGER, 
NAME VARCHAR(64), 
AREACODE VARCHAR(8), 
ORGSEQ VARCHAR(128), 
PARENTID BIGINT, 
THESORT INTEGER, 
DESCN VARCHAR(256), 
DEL_FLAG INTEGER, 
CREATE_TIME TIMESTAMP, 
CREATE_USER VARCHAR(64), 
UPDATE_TIME TIMESTAMP, 
UPDATE_USER VARCHAR(64), 
CODE VARCHAR(64), 
ADDRESS VARCHAR(255), 
CELLPHONE VARCHAR(24), 
ORGTYPE VARCHAR(20), 
PRIMARY KEY (ID) );

with temptab(ID,NAME,CODE,PARENTID) as

(
    select a.ID,a.NAME,a.CODE,a.PARENTID
    from UNTECK_ORGANIZATION a
    where a.ID = 3413585099
union all
    select sub.ID,sub.NAME,sub.CODE,sub.PARENTID
    from UNTECK_ORGANIZATION sub, temptab super
    where sub.PARENTID = super.ID
)
select ID,NAME,CODE,PARENTID from temptab

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Roblox: Bubble Gum Simulator Infinity - How To Get And Use Royal Keys
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Nordhold: Fusion System, Explained
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Mandragora: Whispers Of The Witch Tree - How To Unlock The Grappling Hook
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

Hot Topics

Java Tutorial
1666
14
PHP Tutorial
1273
29
C# Tutorial
1253
24
Recursive implementation of C++ functions: Is there a limit to recursion depth? Recursive implementation of C++ functions: Is there a limit to recursion depth? Apr 23, 2024 am 09:30 AM

The recursion depth of C++ functions is limited, and exceeding this limit will result in a stack overflow error. The limit value varies between systems and compilers, but is usually between 1,000 and 10,000. Solutions include: 1. Tail recursion optimization; 2. Tail call; 3. Iterative implementation.

What is the difference between HQL and SQL in Hibernate framework? What is the difference between HQL and SQL in Hibernate framework? Apr 17, 2024 pm 02:57 PM

HQL and SQL are compared in the Hibernate framework: HQL (1. Object-oriented syntax, 2. Database-independent queries, 3. Type safety), while SQL directly operates the database (1. Database-independent standards, 2. Complex executable queries and data manipulation).

Do C++ lambda expressions support recursion? Do C++ lambda expressions support recursion? Apr 17, 2024 pm 09:06 PM

Yes, C++ Lambda expressions can support recursion by using std::function: Use std::function to capture a reference to a Lambda expression. With a captured reference, a Lambda expression can call itself recursively.

Recursive implementation of C++ functions: Comparative analysis of recursive and non-recursive algorithms? Recursive implementation of C++ functions: Comparative analysis of recursive and non-recursive algorithms? Apr 22, 2024 pm 03:18 PM

The recursive algorithm solves structured problems through function self-calling. The advantage is that it is simple and easy to understand, but the disadvantage is that it is less efficient and may cause stack overflow. The non-recursive algorithm avoids recursion by explicitly managing the stack data structure. The advantage is that it is more efficient and avoids the stack. Overflow, the disadvantage is that the code may be more complex. The choice of recursive or non-recursive depends on the problem and the specific constraints of the implementation.

C++ Recursion Advanced: Understanding Tail Recursion Optimization and Its Application C++ Recursion Advanced: Understanding Tail Recursion Optimization and Its Application Apr 30, 2024 am 10:45 AM

Tail recursion optimization (TRO) improves the efficiency of certain recursive calls. It converts tail-recursive calls into jump instructions and saves the context state in registers instead of on the stack, thereby eliminating extra calls and return operations to the stack and improving algorithm efficiency. Using TRO, we can optimize tail recursive functions (such as factorial calculations). By replacing the tail recursive call with a goto statement, the compiler will convert the goto jump into TRO and optimize the execution of the recursive algorithm.

Detailed explanation of C++ function recursion: application of recursion in string processing Detailed explanation of C++ function recursion: application of recursion in string processing Apr 30, 2024 am 10:30 AM

A recursive function is a technique that calls itself repeatedly to solve a problem in string processing. It requires a termination condition to prevent infinite recursion. Recursion is widely used in operations such as string reversal and palindrome checking.

Detailed explanation of C++ function recursion: tail recursion optimization Detailed explanation of C++ function recursion: tail recursion optimization May 03, 2024 pm 04:42 PM

Recursive definition and optimization: Recursive: A function calls itself internally to solve difficult problems that can be decomposed into smaller sub-problems. Tail recursion: The function performs all calculations before making a recursive call, which can be optimized into a loop. Tail recursion optimization condition: recursive call is the last operation. The recursive call parameters are the same as the original call parameters. Practical example: Calculate factorial: The auxiliary function factorial_helper implements tail recursion optimization, eliminates the call stack, and improves efficiency. Calculate Fibonacci numbers: The tail recursive function fibonacci_helper uses optimization to efficiently calculate Fibonacci numbers.

What are the debugging techniques for recursive calls in Java functions? What are the debugging techniques for recursive calls in Java functions? May 05, 2024 am 10:48 AM

The following techniques are available for debugging recursive functions: Check the stack traceSet debug pointsCheck if the base case is implemented correctlyCount the number of recursive callsVisualize the recursive stack

See all articles