SQL 數據採礦擴充功能 閱讀英文 儲存 共用方式為 Facebookx.comLinkedIn電子郵件 使用Set 函式 發行項 2025/01/28 6 位參與者 意見反應 set 函式會從維度、階層、層級或透過周游這些對象中成員的絕對和相對位置,以各種方式建構集合,來擷取集合。 集合函式,例如成員函式和 Tuple 函式,對於
function argument> ::= <numeric value expression> <inverse distribution function type> ::= PERCENTILE_CONT | PERCENTILE_DISC ... Conformance Rules Without Feature F442, "Mixed column references in set functions", conforming SQL language shall not contain a <hypothetical set function valu...
FIND_IN_SET(str,strlist) FIND_IN_SET()函数接受两个参数: 第一个参数str是要查找的字符串。 第二个参数strlist是要搜索的逗号分隔的字符串列表 FIND_IN_SET()函数根据参数的值返回一个整数或一个NULL值: 如果str或strlist为NULL,则函数返回NULL值。 如果str不在strlist中,或者strlist是空字符串,则返回...
问Postgres错误:在CASE中不允许使用set返回函数ENSELECT 表名称.*,CASE WHEN ujz.字段名=1 THEN ...
(Function returns SQL_SUCCESS_WITH_INFO.) 01S02 Option value changed The driver did not support the value specified in *ValuePtr (if ValuePtr was a pointer) or the value in ValuePtr (if ValuePtr was an integer value), or *ValuePtr was invalid because of implementation working conditions,...
Related Functions For information aboutSee Creating a data sourceSQLCreateDataSource Connecting to a data source using a connection string or dialog boxSQLDriverConnect Retrieving the configuration modeSQLGetConfigMode
SQLSetPossets the cursor position in a rowset and allows an application to refresh data in the rowset or to update or delete data in the result set. Syntax C++Copy SQLRETURNSQLSetPos( SQLHSTMT StatementHandle, SQLSETPOSIROW RowNumber, SQLUSMALLINT Operation, SQLUSMALLINT LockType); ...
❮Previous❮ MySQL FunctionsNext❯ ExampleGet your own SQL Server Search for "q" within the list of strings: SELECTFIND_IN_SET("q","s,q,l"); Try it Yourself » Definition and Usage The FIND_IN_SET() function returns the position of a string within a list of strings. ...
This section describes aggregates (also described as set functions in ANSI SQL-92 and as column functions in some database literature). They provide a means of evaluating an expression over a set of rows. Whereas the other built-in functions operate on a single expression, aggregates operate ...
The resulting position is 1-based and points to the first letter of the match. If no match is found for searchExpr in sourceExpr or searchExpr contains a comma, 0 is returned.ExamplesSQL คัดลอก > SELECT find_in_set('ab','abc,b,ab,c,def'); 3 Related functions...