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Deleting all rows from Cassandra cql table [duplicate]

Is there a command to all the rows present in a cql table in cassandra like the one in sql? 1 Answer ...
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How do I vertically align text in a div?

...solution.html Article summary: For a CSS 2 browser, one can use display:table/display:table-cell to center content. A sample is also available at JSFiddle: div { border:1px solid green;} <div style="display: table; height: 400px; overflow: hidden;"> <div style="display: table-c...
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How do I delete a fixed number of rows with sorting in PostgreSQL?

... You could try using the ctid: DELETE FROM logtable WHERE ctid IN ( SELECT ctid FROM logtable ORDER BY timestamp LIMIT 10 ) The ctid is: The physical location of the row version within its table. Note that although the ctid can be used to locate the...
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What requests do browsers' “F5” and “Ctrl + F5” refreshes generate?

...trol by adding "Pragma: No-cache" when you pressed CTRL-F5. Edit: Updated table The table below is updated with information on what will happen when the browser's refresh-button is clicked (after a request by Joel Coehoorn), and the "max-age=0" Cache-control-header. Updated table, 27 September 20...
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SQL “select where not in subquery” returns no results

... query: LEFT JOIN / IS NULL: SELECT * FROM common LEFT JOIN table1 t1 ON t1.common_id = common.common_id WHERE t1.common_id IS NULL NOT EXISTS: SELECT * FROM common WHERE NOT EXISTS ( SELECT NULL FROM table1 t1 WHERE t1.common_id = ...
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Retrieve column names from java.sql.ResultSet

...tSetMetaData e.g. ResultSet rs = stmt.executeQuery("SELECT a, b, c FROM TABLE2"); ResultSetMetaData rsmd = rs.getMetaData(); String name = rsmd.getColumnName(1); and you can get the column name from there. If you do select x as y from table then rsmd.getColumnLabel() will get you the retri...
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An explicit value for the identity column in table can only be specified when a column list is used

...e identity column in tbl_A_archive a regular, non-identity column: If your table is an archive table and you always specify an explicit value for the identity column, why do you even need an identity column? Just use a regular int instead. Details on Solution 1 Instead of SET IDENTITY_INSERT archi...
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Identity increment is jumping in SQL Server database

In one of my tables Fee in column "ReceiptNo" in SQL Server 2012 database identity increment suddenly started jumping to 100s instead of 1 depending on the following two things. ...
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Change SVN repository URL

...your working copy. Just open the database (e.g. in SQLite Browser), browse table REPOSITORY, and change the root and uuid column values to the new ones. You can find the UUID of the new repo by issuing svn info NEW_SERVER. Again, treat this as a last resort method. ...
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Does a foreign key automatically create an index?

I've been told that if I foreign key two tables, that SQL Server will create something akin to an index in the child table. I have a hard time believing this to be true, but can't find much out there related specifically to this. ...