variable 1

Program | Chinese to write Chinese code program under. Net Zhengzo 2005-3-9 One year ago, when you were programming with an Access database, Through the Vs.net Data Designer wizard to generate the data-layer code, see the generated code, found

Interface I'm going to finish this. Communication protocol resolution Besides, I always think I'm in the same nonsense. Here I also give myself these two days of the agreement resolution find a network storage to do a backup. GH0ST Communication

Tag:blog   io   ar    use     data    on    div   log   ad    Meaning explanation: Decode (condition, value 1, return value 1, value 2, return value 2,... Value N, return value N, default value) The function has the following meanings: IF condition =

The decode () function is one of the most powerful functions of Oracle PL/SQL and is currently available only to Oracle Corporation, where SQL implementations of other database vendors do not yet have this function.  The Decode function is one of

Today, the top request to do a similar function, the initial thought of column change, but how to achieve there is no good way, this function is good The Decode function is an Oracle Pl/sql is one of the powerful functions, and currently only

decode|oracle| Function | Tips decode () skills of using functions • Software Environment: 1. Windows nt4.0+oracle 8.0.4 2, the Oracle installation path is: C:\ORANT • meaning Explanation: Decode (condition, value 1, translation value 1, value 2,

NVL (name,0) empty then take 0. SUSTRB (manth,1,4) first started to take 4 digits. Decode (je,1,1,2), je 1, displays 1, or 2. Select Classno, AVG (score) from student group by Classno has avg (score) = (select Max (avg (score)) from student GROUP

Haha, it will only be used in the preliminary stage. We need to understand the principle so that we can use it better.Pass value: if the value of the real parameter is assigned to the row parameter, the modification of the row parameter will not

Explain the stored procedures of Oracle and PLSQL.1. Create a stored procedure in plsql Open plsql, right-click procedures, and create. If the creation is unresponsive Direct file-New-program window-blank, create a program windowStored Procedure

The recent period of time to do dozens of reports, through the native SQL analysis of the data, but also a certain understanding, found some of the functions and expressions used more frequently, is summarized as follows:(1),round () function The

Description:Decode(Condition, value 1, return value 1, value 2, return value 2,... value n, return value n, default value) The function has the following meanings:If condition = value 1 thenReturn (translation value 1)Elsif condition = value 2

· Software environment: 1. Windows NT4.0 + Oracle 8.0.4 2. Oracle installation path: C: \ orant · Meaning: Decode (Condition, value 1, translation value 1, value 2, translation value 2,... value n, translation value n, default value) The

Today, the user requires that all data 0 cannot be involved in the average calculation. The idea is that the AVG function itself does not participate in the calculation of NULL data. Therefore, you only need to convert zero data to null, I thought

1. Add a trace statement to MFC 2. In tools> MFC tracer, select enable tracing and click OK. 3. debug and run go (F5) (Note: not execute '! 'The reason why we couldn't see trace content in the past is that it wasn't debugging, '! ', Remember,

ORACLE stored procedure details, oracle Stored ProcedureORACLE Stored Procedure explanation 1. Definition A Stored Procedure is a set of SQL statements used to complete specific database functions. The SQL statement set is compiled and Stored in the

Haha, it will only be used in the preliminary stage. We need to understand the principle so that we can use it better. Pass value: if the value of the real parameter is assigned to the row parameter, the modification of the row parameter will not

Meaning explanation:Decode (condition, value 1, return value 1, value 2, return value 2,... Value N, return value N, default value) The meaning of the function is as follows: Copy Code code as follows: IF condition = value 1 THEN

Decode function is very useful in the actual development, and the function is more powerful, with other functions, can make a lot of work easier;DECODE ( field , condition 1, result value 1, condition 2, Result Values 2, ... Default Value  ); The

Meaning explanation:Decode (condition, value 1, return value 1, value 2, return value 2,... Value N, return value N, default value)The function has the following meanings:IF condition = value 1 ThenRETURN (translation value 1)elsif condition = value

The decode () function is one of the most powerful functions of Oracle PL/SQL and is currently available only to Oracle Corporation, where SQL implementations of other database vendors do not yet have this function. Baidu Experience: