sql most recent

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LINQ SQL Group takes the most recent record

A recent project has a requirement to query the most recent order record for each customer from the order form. database table structure such as SELECT * from ( SelectRow_number () Over(Partition by [CustID] Order by

SQL statement queries the most recent data for a table in a time period

First, the idea: query in a time period of the most recent time field, and then use the fields found with the original table for self-connection, and finally to the self-connected table to make the required fields of the query.Second, SQL

SQL Server gets the most recent full-volume backup time for the database

scenario, the incremental backup of SQL Server is done on a full-scale backup basis, and if recovery is needed, it is necessary to restore the full amount of backup before restoring the corresponding incremental backup file.For example, we have a

for beginners; PHP SQL finds fields with the most recent same content with ID subtraction output difference

For beginners, PHP SQL finds fields with the most recent same content with ID subtraction output difference The PHP MySQL database finds fields of the most recent same content, subtracting the output difference with their ID, for example: Type field

Take the most recent record of the time in a repeating record Oracle SQL statement

with T1 as (select Ylplid,max (SBSJ) sbsj from YLPLCG where Ylplid in (select Ylplid from CYQYCPYLPLGX where cpid= ' 659DE0BC 42544b74b660e37e665f437c ') group by ylplid) SELECT t.ylplmc,case if t.ylpllx =1 then ' raw material ' when T.YLPLLX = 2

2015 latest special edition over Dog Chopper, past the most recent version of V4.2 security Dog!

Latest special edition over Dog Chopper, past the most recent version of V4.2 safe dog!1. Support Server Security Dog V4.1.088932. Support Website Security Dog V3.3.090603. Increase the power of special command functionBaidu Network disk: Http://pan.

Go Oracle DB optimizes management performance with SQL

? Use SQL Optimization guidance for:– Identify the SQL statements that use the most resources – optimize the SQL statements that use the most resources? Optimize workloads with SQL access guidance SQL optimization SQL optimization

Ms SQL Server 2000 administrator manual series-11. Microsoft SQL server network settings

11. Microsoft SQL server network settingsOverview of Network ServicesSQL Server application interfaceNetwork Connection LibraryNetwork components and SQL server performanceNetwork MonitoringSummaryAfter you install Microsoft SQL Server, you must set

Go MySQL to group data after the time to remove the most recent data

Title, I have also found the relevant solutions on the Internet, many of the answers are such an SQL statement:Select Id,accountid,mark,max (createtime) as Latest from Accountmark as B group by AccountIdUse the Max function. But there seems to be

A good memory is better than a rotten pen. Oracle SQL Optimization (2)

*sql optimization based on ORACLE11GR2 reading notes * Third, cursor in OracleThe cursor in Oracle is a vector of SQL parsing and execution in an Oracle database and is a data structure for C (Oracle is written in C).There are two types of cursor in

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