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Using a SELECT statement after the INSERT statement with a database-specific function that returns the generated primary key for the most recently inserted row. For example, LAST_INSERT_ID() for MySQL. Using a unique combination of elements from the original SQL INSERT in a subsequent SELECT statement.
A schematic picture of the skip list data structure. Each box with an arrow represents a pointer and a row is a linked list giving a sparse subsequence; the numbered boxes (in yellow) at the bottom represent the ordered data sequence. Searching proceeds downwards from the sparsest subsequence at the top until consecutive elements bracketing the ...
In a SQL database, a record is typically called a "row". The introduction of granular (subset) locks creates the possibility for a situation called deadlock. Deadlock is possible when incremental locking (locking one entity, then locking one or more additional entities) is used. To illustrate, if two bank customers asked two clerks to obtain ...
In addition, it is usually possible to add or import a table that exists elsewhere (e.g., in a spreadsheet, on another website) directly into the visual editor by:
An SQL select statement and its result. In computing, a database is an organized collection of data or a type of data store based on the use of a database management system (DBMS), the software that interacts with end users, applications, and the database itself to capture and analyze the data.
This template adds a column of row numbers to a table. The numbers do not sort with the rest of the table, remaining static. Optional classes are provided to display a column label or disable numbers on specific rows. It works on desktop and mobile versions of Wikipedia pages.
Add the new template to the table in the common documentation afterwards. Please consider reusing one of the other templates and please choose the color sensibly. If you find a table cell template that does not take a parameter and you want to be able to change the text in the cell, do not duplicate the template! Instead, edit the template and ...
The operation of Wikipedia depends on MediaWiki, a custom-made, free and open source wiki software platform written in PHP and built upon the MySQL database system. [W 71] The software incorporates programming features such as a macro language, variables, a transclusion system for templates, and URL redirection.