order by id asc

PHP gets the article previous page and next page method, This article explains how PHP gets the previous page and the next page of the article. Share to everyone for your reference. Here's how: Today found a station of the previous page and the

Five common stored procedures: 1. Use select top and select not in for paging. The Code is as follows: 1 create procedure proc_paged_with_notin -- use select top and select not in2 (3 @ pageindex int, -- page index4 @ pagesize int -- number of

I. Random query optimization: 4.6G-rw ---- 1 mysql 4.6G Oct 7 task_log.ibdselect SQL _no_cache * from task_log order by rand () limit 1; mysql> explain select SQL _no_cache * from task_log order by rand () limit 1; + ---- + ------------- + ----------

Implementation principle: Order by id desc or order by id asc for the ID pair, and then judge whether it is earlier than the current ID> or than the current IDArticleId.The SQL statement of the instance is as follows: $ ID is the ID of a

$ Link = mysql_connect ("localhost", "root", "root ");$ Db = mysql_select_db ("bustest", $ link );$ Sql1 = "Select name from Info group by name order by id asc ";Print (" ");$ RES1 = mysql_query ($ sql1 );While ($ row1 = mysql_fetch_array ($ RES1 )){

PHP generates the table instance code. The following code is used to generate a table instance in PHP, which is post after the program home test runs normally on this site .? Php $ linkmysql_connect (localhost, root, 123456); $ dbmysql_select_db.

The following code is used to generate a table instance in PHP, which is post after the program home test runs normally on this site. $ Link = mysql_connect ("localhost", "root", "123456 "); $ Db = mysql_select_db ("bustest", $ link ); $ Sql1 =

In projects, we often encounter or use paging. Which paging algorithm is the most efficient with large data volumes (millions or more? Let's talk about it with facts. In projects, we often encounter or use paging. Which paging algorithm is the most

This article describes how to obtain the previous and next pages of an article in php. The example shows how to obtain the previous and next pages of the current article. It is a very practical technique in PHP project development, for more

SQL UNION ALL syntaxTables Name: TableFields: ID username ytimeThe results to be achieved are:Query 1:Select Top 5 * from table where ID>20 ORDER by ID ASCQuery 2:Select Top 5 * from table where idAnd then query 1 and Query 2 of the sum, followed by

SQL Server Paging The first method of paging Parameters to be required: PageSize How many data are displayed per page PageNumber pages coming from the client Total number of records in the Totalrecouds table select COUNT (*) from table

Recently summarized the database paging SQL normally used in the project. You can post more efficient SQL statements with paging. SQL Server paging     First Paging method   required parameter:    pagesize How many data   per page;   PageNumber

Today, the teacher took us to review the database page, overall, today feel good, because the previous study has not forgotten. Okay, get to the point. first, let's talk about the top method.The top method is actually to remove the data from the

This article is an example of how PHP gets the previous and next pages of the article. Share to everyone for your reference. The specific methods are as follows: Today found a station on the previous page with the next page problem, previous page

--Go to re-query method one: based on IDSELECT * from Sxe where ID in (the Select min (id) from SXE Group by username) Order by ID ASC;--Go to re-query method two: according to RowNumSELECT * FROM (select S.*,rownum rn from SXE s) x where X.rn in

Php calls the Stored Procedure Code of mssql 2000, which I made yesterday. Let's take a look at the code for calling the stored procedure of mssql using php. $ Start = isset ($ _ GET ['start'])? $ _ GET ['start']: 0; $ End = isset ($ _ GET ['end'])

The SQL/Oracle Method for retrieving records from the MTH to the n th to use a single SQL statement to retrieve records from the Table from the MTH to the n (Not In version) select top n-m + 1 * FROM Table WHERE (id not in (select top S-1 id FROM

First, let's take a look at the basic principles of paging:Copy codeThe Code is as follows:Mysql> explain SELECT * FROM message order by id desc limit 10000, 20G ******************* 1. row ************** id: 1 select_type: SIMPLE table: message type:

As we all know, most website news or product information is static pages. The main benefits of doing so are: 1. Speed up access and avoid excessive Database Operations; 2. SEO optimization to facilitate search engine indexing. This example describes

Today, I found that there was a problem with the previous and next pages of this site. the previous page was okay, but on the next page, I directly posted the latest article on this channel, the principle should be that the previous and subsequent