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Removing leading zeroes from a field in a SQL statement
I am working on a SQL query that reads from a SQLServer database to produce an extract file. One of the requirements to remove the leading zeroes from a particular field, which is a simple VARCHAR(10) field. So, for example, if the field contains '00001A', the SELECT statement needs to return the...
OPTION (RECOMPILE) is Always Faster; Why?
...rience the only time this is a viable option is when you are using dynamic SQL. Before you explore whether this makes sense in your situation I would recommend rebuilding your statistics. This can be done by running the following:
EXEC sp_updatestats
And then recreating your execution plan. Th...
Find and Replace text in the entire table using a MySQL query
Usually I use manual find to replace text in a MySQL database using phpmyadmin. I'm tired of it now, how can I run a query to find and replace a text with new text in the entire table in phpmyadmin?
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What is the best way to auto-generate INSERT statements for a SQL Server table?
...atements for all of the data in your table, using no scripts or add-ins to SQL Management Studio 2008:
Right-click on the database and go to Tasks > Generate Scripts.
Select the tables (or objects) that you want to generate the script against.
Go to Set scripting options tab and click on the Ad...
SQL Developer is returning only the date, not the time. How do I fix this?
Here's what SQL Develoepr is giving me, both in the results window and when I export:
7 Answers
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SQL Query Where Field DOES NOT Contain $x
I want to find an SQL query to find rows where field1 does not contain $x. How can I do this?
2 Answers
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How to copy a row and insert in same table with a autoincrement field in MySQL?
In MySQL I am trying to copy a row with an autoincrement column ID=1 and insert the data into same table as a new row with column ID=2 .
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创业 比“直男癌”更可怕的是“技术癌” - 资讯 - 清泛网 - 专注C/C++及内核技术
...可，即通过大规模的研发和运营投入降低单位成本，做出性能优异、成本极有竞争力，对用户真正有价值的产品或服务，同时形成了较高的壁垒。否则，如果一门心思想着以“高技术”来造就“高壁垒”，不考虑成本和效率，忽...
大数据能否拯救中国足球？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...冰在产品化方面已经完成破冰，目前在toB端和toC端拥有了包括‘职业大师’、‘媒体大师’、‘实时球市APP’、‘创冰DATA’PC端网页和实时数据游戏在内的五大产品线。在中国足球快速发展的大时代下，...
SQL join: selecting the last records in a one-to-many relationship
...eatures of your RDBMS to analyze the optimization plan. E.g. EXPLAIN on MySQL.
Some people use subqueries instead of the solution I show above, but I find my solution makes it easier to resolve ties.
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