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How to configure symfony 1.4.19? 16 Oct 2012 | 12:29 pm

Today I have figure out the working mechanism of Symfony, I get the first hurdle, how to configure it and how to configure first app on it, after spending many hours on it, I overcome this hurdle for ...

How to delete half of records from mysql table? 15 Oct 2012 | 10:07 am

It is not possible to directly delete half of record from mysql table, if you dont know the total records from a table. To delete half of the records from mysql table, create a store procedure as give...

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how Delete mysql table row dengan php cp27.web.id 6 May 2013 | 02:08 pm

Assalamualaikum bang!! Beribu kali maaf bang jika saya selalu ngetreahd dan mgkn sdkit menyusahkan abang, gini bang mau nanya lagi bang hehehe gini bang saya mencoba mendelet isi field'a yang terda...

利用 python update 資料庫欄位,跳脫字元的方式 (escape string) kevingo75.blogspot.com 2 Jan 2013 | 08:40 pm

在 python 中,用 Mysqldb module 結果在 stackoverflow 一個討論串中有個很讚的做法: What is the best escape character strategy for Python/MySQL combo? row[1] 指的是 column name row[3] 指的是要 insert 的 data row[0] 指的是 where 條...

MySQL Explain rows column really IS an estimate aaronsaray.com 23 Jul 2013 | 07:53 pm

Here is an interesting proof of concept that the ‘rows’ column of the explain output is actually an estimate, and not the real amount. I KNEW it to be true, but somehow I didn’t feel like it was right...

[MySQL] How to remove duplicate rows- the fast way de77.com 7 May 2012 | 06:12 am

Below you can two simple and fast method do remove duplicate rows from a MySQL table. Method 1 Let’s create a new unique index, like this: Method 2 Create a new table and copy content from old tab...

MySql Indexing biswajitroutray.wordpress.com 2 Oct 2011 | 10:40 pm

The main purpose of the index is to find rows quickly – without scanning whole data set. This is most typical reason index gets added on the first place. Types of Indexes Primary Key Indexes Unique...

Import CVS , Excel or XML file into MySQL with php insafeta.com 28 Feb 2012 | 10:09 am

When we want to insert data into MYSQL which is already present in .CVS (comma separated values) or XML or Excel files. Reading the file row by row (say in PHP) and inserting into MYSQL is very poor s...

Update Multiple Mysql Rows in a Single Query redbonzai.com 23 Aug 2010 | 03:17 am

The first query simply updates a single column within a mysql row: The last mysql statement is fantastic for a single query. However, now suppose that we need to update multiple rows, and the field n...

Write about the operations supported by indexes in MySQL eduquiz.info 25 Apr 2012 | 11:24 pm

Indexes are used to find rows with specific column values quickly. Without an index, MySQL must begin with the first row and then read through the entire table to find the relevant rows. The larger th...

When EXPLAIN estimates can go wrong! ovaistariq.net 17 Oct 2011 | 07:32 am

This is the title of my first blog post on MySQL Performance Blog. It deals with a customer case where the customer was facing a peculiar problem where the rows column in the EXPLAIN output of the que...

MySQL Server Scalability and Limits rp25rb.wordpress.com 22 Mar 2010 | 03:16 am

Support for large databases. We use MySQL Server with databases that contain 50 million records. We also know of users who use MySQL Server with 200,000 tables and about 5,000,000,000 rows. Support f...

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