functionARG_TABLE_TO_STRING(V_ARG_TABLEinT_V100_TABLE)returnvarchar2isV_RETURNvarchar2(4000) :='(';--In case the string length is larger than 4000STRING_BUFFER_TOO_SMALL exception;pragma EXCEPTION_INIT(STRING_BUFFER_TOO_SMALL,-06502);beginforIDXin1..V_ARG_TABLE.countLOOP v_return :=v_r...
Suppose you have a SQL Server table that has customer information such as first name, last name, and email address in separate columns. In the application, you want to display the full name as first name and last name. Usually developers will use a plus (+) sign to concatenate strings, ...
下面示例演示了如何将前面给出的一个匿名PL/SQL代码块作为一个过程(注意在过程名与参数后面不需要使用DECLARE关键字定义的声明部分): CREATE OR REPLACE PROCEDURE Add_Nums (Val1 IN NUMBER) AS TheAnswer NUMBER; BEGIN TheAnswer := Val1 + Val2 DBMS_OUTPUT.PUT LINE('The answer is' 丨丨 TheAnswer); E...
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SQLRETURN SQLGetInfo( SQLHDBC ConnectionHandle, SQLUSMALLINT InfoType, SQLPOINTER InfoValuePtr, SQLSMALLINT BufferLength, SQLSMALLINT * StringLengthPtr); Arguments ConnectionHandle [Input] Connection handle. InfoType [Input] Type of information. InfoValuePtr [Output] Pointer to a buffer in which...
SQLRETURN SQLSetStmtAttr( SQLHSTMT StatementHandle, SQLINTEGER Attribute, SQLPOINTER ValuePtr, SQLINTEGER StringLength); Arguments StatementHandle [Input] Statement handle. Attribute [Input] Option to set, listed in "Comments." ValuePtr [Input] Value to be associated with Attribute. Depending on th...
The R function returns an Rdata.frameobject, which appears as a SQL table in the database. You define the form of the returned value with theOUT_QRYparameter. To create anrqGroupEvalfunction, you create the following two PL/SQL objects: ...
The Partition function is used first to establish these ranges, then the SQL Count function counts the number of orders in each range. In this example, the arguments to the Partition function are start = 0, stop = 500, interval = 50. The first range would therefore be 0:49, and so ...
and that the updatedgtid_executedset onserver1now consists of the previousgtid_executedset fromserver1plus thegtid_purgedset fromserver2, which is the desired result. Ensure that this check is carried out before any further transactions take place onserver1, otherwise the new transactions ingtid_...