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What are the uses for Cross Join?

...t size, color from sizes CROSS JOIN colors Maybe you want a table that contains a row for every minute in the day, and you want to use it to verify that a procedure has executed each minute, so you might cross three tables: select hour, minute from hours CROSS JOIN minute...
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MYSQL Truncated incorrect DOUBLE value

...se I was not using apostrophes in where clause. Like my query was update table set coulmn1='something' where column2 in (00012121); when I changed where clause to where column2 in ('00012121'); then the query worked fine for me. ...
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SQL DELETE with INNER JOIN

There are 2 tables, spawnlist and npc , and I need to delete data from spawnlsit . npc_templateid = n.idTemplate is the only thing that "connect" the tables. I have tried this script but it doesn't work. ...
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How to have an automatic timestamp in SQLite?

... Just declare a default value for a field: CREATE TABLE MyTable( ID INTEGER PRIMARY KEY, Name TEXT, Other STUFF, Timestamp DATETIME DEFAULT CURRENT_TIMESTAMP ); However, if your INSERT command explicitly sets this field to NULL, it will be set to NULL. ...
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Table Header Views in StoryBoards

Is there a way to insert a Table Header View (tableHeaderView) in StoryBoard (like we used to do in Interface Builder)? 3 A...
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mysqldump data only

...for the syntax for dumping all data in my mysql database. I don't want any table information. 8 Answers ...
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Swapping column values in MySQL

I have a MySQL table with coordinates, the column names are X and Y. Now I want to swap the column values in this table, so that X becomes Y and Y becomes X. The most apparent solution would be renaming the columns, but I don't want to make structure changes since I don't necessarily have permission...
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How to deal with SQL column names that look like SQL keywords?

...ause I didn't make it. Am I allowed to do something like SELECT from FROM TableName or is there a special syntax to avoid the SQL Server being confused? ...
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Long press on UITableView

I would like to handle a long press on a UITableViewCell to print a "quick access menu". Did someone already do this? 10...
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How to add border radius on table row

... You can only apply border-radius to td, not tr or table. I've gotten around this for rounded corner tables by using these styles: table { border-collapse: separate; } td { border: solid 1px #000; } tr:first-child td:first-child { border-top-left-radius: 10px; } tr:first-ch...