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SQL statements also include the semicolon (";") statement terminator. Though not required on every platform, it is defined as a standard part of the SQL grammar. Insignificant whitespace is generally ignored in SQL statements and queries, making it easier to format SQL code for readability.
In addition to basic equality and inequality conditions, SQL allows for more complex conditional logic through constructs such as CASE, COALESCE, and NULLIF.The CASE expression, for example, enables SQL to perform conditional branching within queries, providing a mechanism to return different values based on evaluated conditions.
Download QR code; Print/export ... SQL:2008 is the sixth revision of the ISO and ANSI standard for the SQL database ... comma-separated WHEN clauses in a CASE expression,
The SQL CASE expression is a generalization of the ternary operator. Instead of one conditional and two results, n conditionals and n+1 results can be specified. With one conditional it is equivalent (although more verbose) to the ternary operator:
Download as PDF; Printable version; In other projects Appearance. move to sidebar hide. ... Redirect page. Redirect to: Null (SQL)#CASE expressions; Retrieved from ...
Carroll's lawyers argued that her sexual abuse case against Trump wasn't even close, in part because two friends of Carroll testified they heard her story of being assaulted by Trump soon after ...
SQL was initially developed at IBM by Donald D. Chamberlin and Raymond F. Boyce after learning about the relational model from Edgar F. Codd [12] in the early 1970s. [13] This version, initially called SEQUEL (Structured English Query Language), was designed to manipulate and retrieve data stored in IBM's original quasirelational database management system, System R, which a group at IBM San ...
The timeline of the North Carolina case begins in 2006, when Mangum said she was trapped inside a bathroom, sexually assaulted and raped by David Evans, Collin Finnerty and Reade Seligmann at a ...