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Colspan all columns

... td tag should span all columns (when the exact amount of columns in the table will be variable/difficult to determine when the HTML is being rendered)? w3schools mentions you can use colspan="0" , but it doesn't say exactly what browsers support that value (IE 6 is in our list to support). ...
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MySQL 'create schema' and 'create database' - Is there any difference

...EATE SCHEMA" command, and it served to introduce multiple name spaces for table and view names. All tables and views were created within a "schema". I do not know whether that version defined some cross-schema access to tables and views, but I assume it did. AFAIR, no product (at least back then)...
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MySQL case insensitive select

...in did mention collate was better) We had historical data moved into mysql table which broke legacy logic because of certain column values having insensitive case. We needed to know the difference between "GE1234" and "ge1234", they needed to be unique and stay logged that way. We set our column in ...
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This Row already belongs to another table error when trying to add rows?

I have a DataTable which has some rows and I am using the select to filter the rows to get a collection of DataRows which I then loop through using foreach and add it to another DataTable, but it is giving me the error "This Row already belongs to another table". Here is the code: ...
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When to use single quotes, double quotes, and backticks in MySQL

... Backticks are to be used for table and column identifiers, but are only necessary when the identifier is a MySQL reserved keyword, or when the identifier contains whitespace characters or characters beyond a limited set (see below) It is often recommende...
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MySQL foreign key constraints, cascade delete

...illed, then you've set up your foreign keys improperly. Given your example tables, you should have the following table setup: CREATE TABLE categories ( id int unsigned not null primary key, name VARCHAR(255) default null )Engine=InnoDB; CREATE TABLE products ( id int unsigned not null ...
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How to shrink/purge ibdata1 file in MySQL

... is, everytime I run a R script, I create a new database (A), create a new table (B), import the data into B, submit a query to get what I need, and then I drop B and drop A. ...
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SQL Server : Columns to Rows

...nto rows: select id, entityId, indicatorname, indicatorvalue from yourtable unpivot ( indicatorvalue for indicatorname in (Indicator1, Indicator2, Indicator3) ) unpiv; Note, the datatypes of the columns you are unpivoting must be the same so you might have to convert the datatypes prior t...
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How can I hide an HTML table row so that it takes up no space?

How can I hide an HTML table row <tr> so that it takes up no space? I have several <tr> 's set to style="display:none;" , but they still affect the size of the table and the table's border reflects the hidden rows. ...
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CSS Cell Margin

In my HTML document, I have a table with two columns and multiple rows. How can I increase the space in between the first and second column with css? I've tried applying "margin-right: 10px;" to each of the cells on the left hand side, but to no effect. ...