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; Public intresult; } Public classSQL {[XmlText] Public stringvalue; } [Serializable] Public classfile {[XmlAttribute] Public stringname; [XmlText] Public stringvalue; } Public classdesc {[XmlText] Public stringvalue; } [Serializable] Public classversion {[XmlAttribute] Public stringname; }/// ///serializes the specified object into an XML-formatted string and returns. /// /// objects to serialize ///

Label:In SQL Server, the number of affected rows returned is: If @ @RowCount In Oracle, the number of affected rows returned is: If sql%rowcount Cases: Sql server: Create procedureproc_test@Stat int=0, @MsgId varchar( -)="', as BEGIN UpdateT_mtSetStat=@Stat, Ostat=@Stat, Rpttime=Getdate()WhereMsgId=@MsgId If @ @RowCount1 --INSERT into T_STATBUF without update success Insert intoT_statbuf (Msgid,stat,rpttime)Values(@MsgId,@Stat,Getdate())

JNI returns one of the complex objects. jni returnsRequirements: First of all, I need to take over a project recently. I want to parse binary data at the underlying layer. The data structure is quite responsible. Because the server is a c ++ server, and I didn't take mobile development into account at the beginning, so the protocol is a bit bullshit! In general, a data packet contains a vector in the map and is serialized into a binary value! Ios make

Label:MSDN to the official explanation: These three functions all return the last generated identity value. However, the "last" scope and the session defined in each of these functions are different. 1. Ident_current returns the most recent identity value generated for a session and the specified table in the current scope. If the Ident_current value is NULL (because the table never contains rows or has been truncated), the Ident_current function

Tag: Row BER statement its where means insert first batchFirst look at the data inside the database (s_id is the self-growing identity column): There are three ways to return the ID (identity value) of the last inserted data in SQL Server: The first of the @ @IDENTITY: 1 Insert intoStudent (s_stuno,s_name,s_sex,s_height)2 Values('013','Weizhuang','male','185'); 3 4 Select @ @IDENTITY --back to @ @IDENTITY can return the last generated identity value (including any called stored procedu

PHP Date_sunset () functionPHP date/time functionDefinitions and usageThe Date_sunset () function returns the sunset time for the specified date and location. GrammarDate_sunset (timestamp,format,latitude,longitude,zenith,gmt_offset) parameter descriptionTimestamp required.Format is optional. Specify how the results are returned: Sunfuncs_ret_string (returns the result in STRING format, such as 16:46)Sunf

has been selected to the Microsecond section. The only downside to the MySQL Extract () function is that you need to hit the keyboard a few more times. 3. MySQL dayof ... Function: DayOfWeek (), DayOfMonth (), DayOfYear () Returns the position of the date parameter, in one week, month, year, respectively. Set @dt = ' 2008-08-08 '; Select DayOfWeek (@dt); --6 Select DayOfMonth (@dt); --8 Select DayOfYear (@dt); --221 The date ' 2008-08

1, inconsistent with the output of experiencewe know that when one of the following three situations occurs, the copy constructor for the class that corresponds to the object is called:1) When an object is initialized for display2) When an object is passed as a parameter to a function3) When the function returns an object of a classSo, when we design a function (normal or member function), experience tells us that, for efficiency reasons, you should r

Next () Definition and usage The next () function moves the pointer to the current element to the position of the next element and returns the value of the element. If the internal pointer already exceeds the last element of the array, the function returns FALSE. Grammar Next (array) parameter description Array required. Specify the array to use. Description The behavior of next () and current

access|select| Solve | problem | statement How do I solve a problem where the SELECT top 1 statement actually returns more than one record? Brief description: How to solve the problem that the SELECT top 1 statement actually returns multiple records Problem: How do I solve a problem where the SELECT top 1 statement actually returns more than one record?

Oracle stored procedure Returns a result set that requires a cursor as a stored procedure parameter1. Create PakageCREATE OR REPLACE Package pkg_query as TYPE cur_query is REF CURSOR; END Pkg_query;2. Create a stored procedure ()Create or Replace proceduresp_students (P_nameinch varchar2,--name (incoming parameter, filter data by name)P_totalrecords out Number,--Total Records (returns the total number of b

Found_rows (): Select Row_count (): UPDATE Delete Insert Note: You need to work with the appropriate operation, otherwise the value returned is only 1 and 1 (all incorrect values) Example: Drop database if exists ' mytest '; Create database ' mytest '; Use ' mytest '; drop table if exists ' mytesttable '; CREATE TABLE ' mytesttable ' (' ID ' int, ' Name ' varchar (10)); Insert INTO ' mytesttable ' (' ID ', ' Name ') Select ' 1 ', ' role1 ' UNION ALL Select ' 2 ', ' Role2 ' UNION ALL

If we want to define a function that returns an array pointer, the dimension of the array must follow the name of the function, but after the function name is the formal parameter list, the formal parameter list should precede the dimension of the array. The function that returns an array pointer is as follows:Type (*function (parameter_list)) [Dimension]The declaration of the Func function below does not u

PHP array_values The PHP array_values function returns all the values in the array, noting that the function will set up an array index for the new array, and the original text index will not exist. This article explains the basic syntax and usages of the array_values function. Array_values returns all the values in the array Basic syntax: Array array_values (array $input) Array_values ()

Original address: http://blog.csdn.net/a4150902/article/details/7399578 One, int recv (SOCKET s, char far *buf, int len, int flags); Both the client and server applications use the RECV function to receive data from the other end of the TCP connection. The first parameter of the function specifies a receive-side socket descriptor; The second parameter indicates a buffer, which is used to hold the data received by the RECV function; The third parameter indicates the length of the BUF; The fourt

1. Insert the data and return the inserted data: INSERT into TESTTB (province,city) output inserted. Province, inserted. City VALUES (' Guangdong ', ' Shenzhen ') 2, similarly, the deletion of data is the same, but the use of deleted table. Delete from TESTTB output deleted.* where id=1 3. Together: Returns both pre-and post-update data: Update testtb SET province = ' Hunan ', city= ' Chenzhou ' OUTPUT ' I came from (pr

Tags: static multiple queries convert nbsp pop rom write mysql 1. According to the need to query the MySQL statement, return three required parameters, not a data set 2. Write functions such as the following: public static void Getparas (string condition 1, out string return value 1, out string return value 2, out string return value 3){The return value is 1= string. Empty;The return value is 2= string. Empty;The return value is 3= string. Empty; String strSQL = String. Format ("SELECT * from t