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A database dump contains a record of the table structure and/or the data from a database and is usually in the form of a list of SQL statements ("SQL dump"). A database dump is most often used for backing up a database so that its contents can be restored in the event of data loss. Corrupted databases can often be recovered by analysis of the ...
Following is a sample my.cnf configuration file for MySQL that will allow you to import the Wikipedia database dumps without command line options or stream edits. (Verified en.wikipedia.org "cur" table on mysql-standard-5.0.7 as of 8 July 2005). You must however ensure that you have enough free disk space and that your operating system supports ...
Query by Example (QBE) is a database query language for relational databases. It was devised by Moshé M. Zloof at IBM Research during the mid-1970s, in parallel to the development of SQL . [ 1 ] It is the first graphical query language, using visual tables where the user would enter commands, example elements and conditions.
For example, this problem is known to happen in versions of Windows using FAT32 or Linux 2.2 (which for example is still the default kernel in Debian's current stable "woody" release). To resolve this problem, you need to upgrade to a file system which supports files larger than 2 gigabytes (such as Linux 2.4 or later).
In SQL, the data manipulation language comprises the SQL-data change statements, [3] which modify stored data but not the schema or database objects. Manipulation of persistent database objects, e.g., tables or stored procedures, via the SQL schema statements, [3] rather than the data stored within them, is considered to be part of a separate data definition language (DDL).
A data control language (DCL) is a syntax similar to a computer programming language used to control access to data stored in a database (authorization). In particular, it is a component of Structured Query Language (SQL). Data Control Language is one of the logical group in SQL Commands.
The actor went on to ask the villainous character if he enjoyed Carrey’s portrayal. "You know, they brought me in a couple days to do some consulting," he answered with a wink, adding that he ...
Without an ORDER BY clause, the order of rows returned by an SQL query is undefined. The DISTINCT keyword [5] eliminates duplicate data. [6] The following example of a SELECT query returns a list of expensive books. The query retrieves all rows from the Book table in which the price column contains a value greater