sql
how can I delete double entries of different column
with other form i have table like rowsidsource_rowsame_as_row row1118 row2318 row3181 row4183 i want only elimatethe rows3 and row4 :[详细]
2023-04-13 06:31 分类:问答SQL Azure intermittently slow
I have a stored proc in an SQL Azure database. If I run this stored proc via SSMS it always takes around 1 second to run. If I run from a web role application running on Azure with an SqlCommand objec[详细]
2023-04-13 06:27 分类:问答How to get table name back in column name of joined tables
I hve the query... select * from Contact c left join Employee e on c.ContactID=e.ContactID left join [Role] r on e.EmployeeID=r.Employee开发者_Python百科ID[详细]
2023-04-13 06:24 分类:问答How do I avoid getting duplicate information?
I have two tables... CustomerId, Name 1pete 2dave 3jon CustomerId, Role 11 12 21 32 33 And I want the select to return data in the following format[详细]
2023-04-13 06:18 分类:问答MySQL Substring Grab all but last three characters
Basically, I am trying to find 开发者_运维百科the inverse of this command: substring(term, -3).Try this:[详细]
2023-04-13 06:16 分类:问答"Simultaneous" insert if missing and log entry using Linq
In timing our code, I noticed that there is a substantial transaction time each time Linq communicates with SQL Server. In the past, when we used SQL directly, we could place multiple statements and s[详细]
2023-04-13 06:13 分类:问答Generate Multiple Scripts from SQL Server Query Optimizer
I looked around but couldn\'t find an answer to this question so I figured I wou开发者_高级运维ld ask.So I am in the process of using the SQL Server query optimizer on several long stored procedures.W[详细]
2023-04-13 06:11 分类:问答ForEach record insert in sql server
I have t开发者_运维问答hree sql tables tblDocumentType (Doctypeid), tblDiscipline (DisciplineID) tblDocType_Discipline[详细]
2023-04-13 06:10 分类:问答Does indexes work with group function in oracle?
I am running following query. SELECT Table_1.Field_1, Table开发者_如何学Python_1.Field_2, SUM(Table_1.Field_5) BALANCE_AMOUNT[详细]
2023-04-13 06:07 分类:问答SQL : how to use IN keyword with prepared statement for range replacement using Java
String sql = \"select * from file_repo_index where id in (?)\"; PreparedStatement ps = conn.prepareStatement(sql);[详细]
2023-04-13 06:06 分类:问答