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Add a column with a default value to an existing table in SQL Server

How can I add a column with a default value to an existing table in SQL Server 2000 / SQL Server 2005 ? 41 Answers ...
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How to change a table name using an SQL query?

How can I in change the table name using a query statement? 10 Answers 10 ...
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How can you represent inheritance in a database?

...e SQL Entity-Attribute-Value antipattern. This is a brief overview: Single Table Inheritance (aka Table Per Hierarchy Inheritance): Using a single table as in your first option is probably the simplest design. As you mentioned, many attributes that are subtype-specific will have to be given a NULL v...
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How do I UPDATE from a SELECT in SQL Server?

In SQL Server , it is possible to insert rows into a table with an INSERT.. SELECT statement: 35 Answers ...
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How to delete a row by reference in data.table?

My question is related to assignment by reference versus copying in data.table . I want to know if one can delete rows by reference, similar to ...
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Simple Pivot Table to Count Unique Values

This seems like a simple Pivot Table to learn with. I would like to do a count of unique values for a particular value I'm grouping on. ...
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Eliminate extra separators below UITableView

When I set up a table view with 4 rows, there are still extra separators lines (or extra blank cells) below the filled rows. ...
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How to drop column with constraint?

... problematic DEFAULT constraint, after that you can drop the column alter table tbloffers drop constraint [ConstraintName] go alter table tbloffers drop column checkin But the error may appear from other reasons - for example the user defined function or view with SCHEMABINDING option set for th...
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How to force table cell content to wrap?

... Use table-layout:fixed in the table and word-wrap:break-word in the td. See this example: <html> <head> <style> table {border-collapse:collapse; table-layout:fixed; width:310px;} table td {border:soli...
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MySQL Error 1215: Cannot add foreign key constraint

... the keys I'm trying to use as a foreign key are primary keys in their own tables. I have done both of these things, if I'm not mistaken. Any other help you guys could offer? ...