w9 statement

Tree structure | data | display | statement SELECT dpcode1 as dpcode,dpname1 as Dpname From Base_custdept where dpcode1>0 and Dpcode2=0 and Dpcode3=0 and dpcode4=0 UNION ALL SELECT Dpcode1+dpcode2 as dpcode,dpname1+dpname2 as Dpname From Base_custdept where dpcode1>0 and dpcode2>0 and Dpcode3=0 and dpcode4=0 UNION ALL SELECT Dpcode1+dpcode2 +dpcode3 as dpcode,dpname1+dpname2+dpname3 as Dpname From Base_custdept where dpcode1>0 and dpcode2>0 and Dpcode

elif statements(equivalent to the else if in C language)When we need to have more judgment, we tend to use a different syntactic expression, namely, using elif:Python code if judgment condition 1: Execute Statement 1 elif judgment Condition 2: Execute Statement 2 elif Judgment Condition 3: Execute Statement 3 ...... Else: EXECUTE

UPDATE statement: UPDATE the fields in one table to the statement bitsCN.com in another table. UPDATE statement: The statement used to UPDATE fields in one table to fields in another table. In a modification to the score query system, a table is changed and a field is added to a table. now, you need to copy the corre

For statement application: multiplication table, for statement multiplication table Multiplication table: For statement application: 1: 2: public class chengfa { 3: public static void main(String[] args) { 4: //int i; 5: for(int i=1;i 6: int j=1; 7: for(;j8: System. out. print (j + "×" + I + "=" + (I * j) + "\ t"); // \ t 9:

This section describes a special looping statement in PHP, the "foreach" loop statement. What is a foreach loop for? In PHP, the Foreach Loop statement, which is designed to iterate through an array, can be viewed in this article http://www.php.cn/php-weizijiaocheng-360217.html foreach Loop syntax format The Foreach Loop syntax is written in two ways, and the fi

The meaning of for in PHP The For loop is the most complex loop structure in PHP. Its behavior is similar to the C language. The number of times to execute the same code set in PHP The For loop is just a little bit more code, and the loop is added to it at the same time. And the common task of a cycle involved is:Sets the initial value of some counter variables.Please check that the condition statement is correct.The code loop in execution.The increm

PHP constructs an SQL statement instance and an SQL statement instance. Construct an SQL statement class instance implemented by PHP. This document describes how to construct an SQL statement class implemented by PHP. For your reference, the details are as follows: *** @ packageDa PHP constructs an SQL

Summary of common SQL statement optimization techniques [classic] and SQL statement techniques classic This example summarizes common SQL statement optimization techniques. We will share this with you for your reference. The details are as follows: In addition to creating indexes, maintaining good SQL statement writing

Use an SQL statement that has been running for a long time in the mail, and send an SQL statement in the mail ALTER proc [dbo].[usp_EmailLongRunningSQL]asbegindeclare@LongRunningQueries AS TABLE( lrqId int IDENTITY(1,1) PRIMARY KEY, spid int NULL, batch_duration bigintNULL, program_namenvarchar(500) NULL, hostname nvarchar(100) NULL, loginame nvarchar(100) NULL, sqltext nvarchar(max) NULL)-- variable

The three methods in the connection interface can be used to create instances of these classes. These classes and their creation methods are listed below: (1) Statement-created by the createstatement method. The statement object is used to send simple SQL statements.(2) preparedstatement-created by the preparestatement method.(3) The preparedstatement object is used to send an SQL

Another function of the PHP return statement, the return statement Always think that return can only appear in the function until the bbpress code is seen: Can return still appear outside of the function? This is unthinkable in the C language. Check the PHP manual: If you call the return statement in a function, the execution of the function is terminated imme

Set statement Assign an object reference to a variable or property, or associate an object reference with an event. Set objectvar = {objectexpression | New classname | Nothing} Or Set object.eventname = GetRef(procname) Parameters Objectvar Required, variable or attribute name, conforming to standard variable naming convention. Objectexpression Optional, expression that match the name of the object, another declared variable of the same object type, f

Do ... Loop statement Repeats a block of statements before the condition is true or if the condition becomes true . Do [{While | Until} condition][statements][Exit Do][statements]Loop You can also use the following syntax: Do[statements][Exit Do][statements]Loop [{While | Until} condition] Parameters Condition A numeric or string expression with a value of True or False. If condition is Null, the condition is treated as False. Statements One or more

For ..... Next statement Repeats a set of statements at a specified number of times. For counter = start To end [Step step][statements][Exit For][statements]Next Parameters Counter A numeric variable used as a loop counter. This variable cannot be an element of an array element or a user-defined type. Start The initial value of the counter. End The end value of the counter. Step The step size of the counter . If not specified, the default value for s

PackageCom.imooc.practice;classparent{ PublicParent () {System.out.println (The parent constructor method executes! "); } {System.out.println ("Parent non-static statement block execution!" "); } Static{System.out.println ("Parent Static statement block execution!" "); }} Public classChildextendsparent{ PublicChild () {System.out.println ("Child construction Method Execution!" "); } {System.out.print

SQL statement optimization in the 2014 summary, and SQL statement in the 2014 Summary I took over a small program for data statistics processing. It was logically nothing, but the data volume was a little large. Some tables had tens of millions of data .. because it is statistics, it is inevitable to connect various queries. It takes one hour to run this applet once it is written .. this is indeed a little

Loop type: For, while, foreachCyclic four elements: initial conditions---cyclic condition----State change1. ForFormat:for (initial condition; cyclic condition; state change){The loop body (break; jump out of the loop body)}ou gives the initial conditions, first determine whether the loop condition is met, if the condition is not satisfied, skip the For statement, if satisfied then go to the For statement ex

PHP uses the For statement output triangle method, phpfor statement triangle This example describes how PHP uses the For statement to output a triangle. Share to everyone for your reference. The implementation method is as follows: '; } } Dis (19);? > I hope this article is helpful to everyone's PHP programming. http://www.bkjia.com/PHPjc/1013714.htm

Use SQL statement 1 in ASP: select statement Source: dns99.cn There are so many SQL products that you may have to worry about. However, if you want to use ASP and SQL at the same time, you may feel dizzy. MySQL, SQL Server, and msql are both excellent SQL tools. Unfortunately, in the ASP environment, you do not need them to create practical SQL statements. However, you can use yo

ThinkPHP -- SQL query statement, ThinkPHP -- SQL statement I. Query Method ThinkPHP provides three basic query methods: String condition query, Index Array condition query, and object bar query. Component query. In most cases, we recommend that you use index arrays and objects as the query conditions, because they are more secure. 1. query using strings as conditions // String as a condition Query $ User =