dynamic sql assign value to variable

I. What is covered in this article (Contents) What is covered in this article (Contents) Background (contexts) Implementation code (SQL Codes) Method One: Use splicing SQL, static column field; Method two: Using splicing SQL, dynamic column field; Method Three: Use pivot relational o

and append the prefix as well.foreachAnother necessary operation that is common to dynamic SQL is to iterate over a collection, usually built in the in condition. Like what:select id="selectPostIn" resultType="domain.blog.Post"> SELECT * FROM POST P WHEREin "item" index="index" collection="list" open="(" separator="," close=")"> selectThe foreach element is very powerful and all

When writing stored procedures, you often encounter the need to splice SQL statements, generally only to perform the post-stitching statements using EXEC (@sql).Today, a stored procedure needs to get the results of a dynamic SQL query.Requirement Description: The cost value

Label:SQL Server dynamic row to column (parameterized table name, grouping column, row to column field, field value)2014-05-26 16:09 by listening to the wind blowing rain, 26798 reading, 50 Reviews, Favorites, compilation I. What is covered in this article (Contents) What is covered in this article (Contents) Background (contexts) Implementation code (

Source: Get dynamic SQL query statement return value (sp_executesql)When writing stored procedures, you often encounter the need to splice SQL statements, generally only to perform the post-stitching statements using EXEC (@sql).Today, a stored procedure needs to get the res

; Prepare stmtselect from @sqlselect; Execute stmtselect; deallocate prepare stmtselect; End $ Copy Code code as follows: #拼接查询总记录的SQL语句 Set v_sqlcounts = Concat (' Select count (*) into @recordcount from ', v_tables,v_where); Set @sqlcounts: = V_sqlcounts; #预处理动态SQLPrepare stmt from @sqlcounts; #传递动态SQL内参数 Set @s1 = CategoryID; Execute stmt using @s1; deallo