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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 Still the potential answers I got are most of the time outdated or don't work.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...
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.
...
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...
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...
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.
...
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)?
...
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...
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
...
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...
What is SYSNAME data type in SQL Server?
... be honest. It is mainly used by Microsoft when building the internal sys tables and stored procedures etc within SQL Server.
For example, by executing Exec sp_help 'sys.tables' you will see that the column name is defined as sysname this is because the value of this is actually an object in itsel...