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SQL UPDATE all values in a field with appended string CONCAT not working

... That's pretty much all you need: mysql> select * from t; +------+-------+ | id | data | +------+-------+ | 1 | max | | 2 | linda | | 3 | sam | | 4 | henry | +------+-------+ 4 rows in set (0.02 sec) mysql> update t set data=concat(d...
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SQL Group By with an Order By

... In all versions of MySQL, simply alias the aggregate in the SELECT list, and order by the alias: SELECT COUNT(id) AS theCount, `Tag` from `images-tags` GROUP BY `Tag` ORDER BY theCount DESC LIMIT 20 ...
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Difference between scaling horizontally and vertically for databases [closed]

...MongoDB, Google Cloud Spanner .. and a good example of vertical scaling is MySQL - Amazon RDS (The cloud version of MySQL). It provides an easy way to scale vertically by switching from small to bigger machines. This process often involves downtime. In-Memory Data Grids such as GigaSpaces XAP, Coher...
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How to pretty print XML from Java?

...put) { return prettyFormat(input, 2); } testcase: prettyFormat("<root><child>aaa</child><child/></root>"); returns: <?xml version="1.0" encoding="UTF-8"?> <root> <child>aaa</child> <child/> </root> ...
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Convert text into number in MySQL query

Is it possible to convert text into number within MySQL query? I have a column with an identifier that consists a name and a number in the format of "name-number". The column has VARCHAR type. I want to sort the rows according the number (rows with the same name) but the column is sorted according d...
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How to change current working directory using a batch file

...need some help in writing a batch file. I have a path stored in a variable root as follows: 4 Answers ...
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Using “like” wildcard in prepared statement

I am using prepared statements to execute mysql database queries. And I want to implement a search functionality based on a keyword of sorts. ...
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ASP.NET MVC Relative Paths

...IPT/>, <LINK/>, and as a result the tilde no longer maps to the root directory. For example, if you rewrite requests for asp.net/content to asp.net, the href attribute in <A href="~/content/"/> resolves to /content/content/ instead of /. To suppress this change, you can ...
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Count the number of occurrences of a string in a VARCHAR field?

...test 0 test4 valuevaluevaluevaluevalue 5 I don't have MySQL install, but goggled to find the Equivalent of LEN is LENGTH while REPLACE is same. So the equivalent query in MySql should be SELECT TITLE,DESCRIPTION, (LENGTH(DESCRIPTION) - LENGTH(REPLACE(DESCRIPTION, 'value', ''))...
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View's SELECT contains a subquery in the FROM clause

... As per documentation: MySQL Docs The SELECT statement cannot contain a subquery in the FROM clause. Your workaround would be to create a view for each of your subqueries. Then access those views from within your view view_credit_status ...