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Database designers that use a surrogate key as the primary key for every table will run into the occasional scenario where they need to automatically retrieve the database-generated primary key from an SQL INSERT statement for use in other SQL statements. Most systems do not allow SQL INSERT statements to return row data. Therefore, it becomes ...
Some database implementations adopted the term upsert (a portmanteau of update and insert) to a database statement, or combination of statements, that inserts a record to a table in a database if the record does not exist or, if the record already exists, updates the existing record.
Body sections appear after the lead and table of contents (click on image for larger view). Headings introduce sections and subsections, clarify articles by breaking up text, organize content, and populate the table of contents. Very short sections and subsections clutter an article with headings and inhibit the flow of the prose.
{} forces the auto-generated "Table of Contents" for an article to appear floated to the left side of the page (as seen left), in order to improve article layout. Usage Insert {{TOC left}} at the point in the article where you want the top of the Table of Contents box to appear.
A prepared statement takes the form of a pre-compiled template into which constant values are substituted during each execution, and typically use SQL DML statements such as INSERT, SELECT, or UPDATE. A common workflow for prepared statements is: Prepare: The application creates
CSS3 multiple-column layout browser support Property Internet Explorer Firefox Safari Chrome Opera; column-width column-count ≥ 10 (2012) ≥ 1.5 (2005)
Multiple additional horizontal and vertical lines may be placed at any point on the page. Invisible to the end-user/audience shapes may be placed on the page as guidelines for page layout and print processing as well. Software templates are achieved by duplicating a template data file, or with master page features in a multiple-page document ...
The easiest way to insert a new table is to use the editing toolbar that appears when you edit a page (see image above). Clicking the button will open a dialog where you define what you want in your new table. Once you've chosen the number of rows and columns, the wiki markup text for the table is inserted into the article.