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How can I restore the MySQL root user’s full privileges?

... of the privileges from my MySQL root user, including the ability to alter tables. Is there some way I can restore this user to its original state (with all privileges)? ...
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How do I calculate tables size in Oracle

...used to (and potentially spoiled by) MSSQL, I'm wondering how I can get at tables size in Oracle 10g. I have googled it so I'm now aware that I may not have as easy an option as sp_spaceused. Still the potential answers I got are most of the time outdated or don't work. Probably because I'm no DBA o...
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Dynamically adding a form to a Django formset with Ajax

...nagement_form }} {% for form in serviceFormset.forms %} <div class='table'> <table class='no_error'> {{ form.as_table }} </table> </div> {% endfor %} <input type="button" value="Add More" id="add_more"> <script> $('#add_more').click(fun...
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Disable all table constraints in Oracle

How can I disable all table constrains in Oracle with a single command? This can be either for a single table, a list of tables, or for all tables. ...
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How do you use the “WITH” clause in MySQL?

...ce; Subquery Factoring in Oracle), so you are left with using: TEMPORARY tables DERIVED tables inline views (effectively what the WITH clause represents - they are interchangeable) The request for the feature dates back to 2006. As mentioned, you provided a poor example - there's no need to p...
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Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=

...ers.productID = rProductID; END Option 4: alter the field itself: ALTER TABLE users CHARACTER SET utf8 COLLATE utf8_general_ci; Unless you need to sort data in Unicode order, I would suggest altering all your tables to use utf8_general_ci collation, as it requires no code changes, and will spee...
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What is the maximum length of a table name in Oracle?

What are the maximum length of a table name and column name in Oracle? 12 Answers 12 ...
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Create a temporary table in a SELECT statement without a separate CREATE TABLE

Is it possible to create a temporary (session only) table from a select statement without using a create table statement and specifying each column type? I know derived tables are capable of this, but those are super-temporary (statement-only) and I want to re-use. ...
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Oracle “(+)” Operator

..., because the ANSI-89 format (using a comma in the FROM clause to separate table references) didn't standardize OUTER joins. The query would be re-written in ANSI-92 syntax as: SELECT ... FROM a LEFT JOIN b ON b.id = a.id This link is pretty good at explaining the difference between JOIN...
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Class with Object as a parameter

... In Python2 this declares Table to be a new-style class (as opposed to "classic" class). In Python3 all classes are new-style classes, so this is no longer necessary. New style classes have a few special attributes that classic classes lack. class C...