db2 select top 10 rows

When querying a database, we sometimes need to find data records in rows within a specified range in the data table. For example, we need to find the 10 data records between 10th rows and 20th rows in the data table, so how can we implement it? The common method is not feasible. We need to implement it by using a te

Javascript up/down arrow keys control how to select and highlight table rows This article mainly introduces how to control the selection and highlight of table rows by using the up and down arrow keys of javascript. It involves some tips for using javascript to operate on keyboard keys and has some reference value. For more information, see This example describ

$ ("tr:odd") 4. If we want to select even rows, we can use $ ("Tr:even") The operation of the column is relatively cumbersome, but it is not difficult if we know the principle. There are no columns in the table, and the first column is actually the combination of the first region (TD) for each row. So we can use loops to implement the choice of rows. 1. If we wa

Cite: http://blog.csdn.net/downmoon/article/details/5936706 [ruby] view plaincopyprint? Create table Demo_Values (PKID int not null identity(1,1) primary key ,DName Nvarchar(20) null ,DCode NVarchar(30) null ,DDate datetime null ) go --this SQL is only for SQL Server 2008 Insert into Demo_Values (DName,DCode,DDate) values (‘DemoA‘,‘AAA‘,GETDATE()), (‘DemoB‘,‘BBB‘,GETDATE()), (‘DemoC‘,‘CCC‘,GETDATE()), (‘DemoD‘,‘DDD‘,GETDATE()), (‘DemoE‘,‘EEE‘,GETDATE()) --(5 row(s) affected)

Random Author: ZDNet Chinafriday, November 2003 4:08 PM You can randomly select rows of data in a variety of ways; This is especially effective when you want to add dynamic features to your site. For example, you can select a product to display as "Today's featured Product", or a quality evaluator (QA) can generate a random call table to measure user satisfacti

'); insertintomynumbervalues(5,'no5'); insertintomynumbervalues(5,'no6'); insertintomynumbervalues(6,'no7'); insertintomynumbervalues(7,'no8'); insertintomynumbervalues(8,'no9'); insertintomynumbervalues(9,'no10'); insertintomynumbervalues(9,'no11'); insertintomynumbervalues(9,'no12'); insertintomynumbervalues(10,'no13'); insertintomynumbervalues(10,'no14'); insertintomynumb

The V $ undostat view is not updated every 10 minutes. V $ undostat has only one row (one rows) Reference Original:The V $ undostat view is not getting updated in every 10 minutes. (Doc ID 1206365.1) Applicable:Oracle Server-Enterprise Edition-version: 10.2.0.1 and later [release: 10.2 and later]Information in this document applies to any platform. Symptoms:The V

As long as interaction is involved, it will certainly deal with data. Maybe there is not much such content on the Internet, no matter how many, each summary is experience-based, and is carefully prepared, it may be for your future use without being forgotten, or for sharing resources, learning together, and making progress together. The following is a summary of the query statements used to extract 10 data records from common databases such as SQL Ser

from the database table, you must use the Top keyword. If the Select statement contains both top and order by statements, it is selected from the sorted result set. For example: Select top 10 * from Table Name The data retrieval method described today allows you to retrieve records from rows m to n in a table at will,

1.select.. for Update lock table.Precautions:Under Transaction, @TransactionalIf you use a primary key, only 1 rows of records are lockedIf you do not use the primary key, will lock many records, MySQL under test, query 1, lock 1 rows, query 2, lock 2 rows.Many articles on the internet said that without the use of the primary key, will "lock the table", does not