Search results
Results from the WOW.Com Content Network
Multiple choice questions lend themselves to the development of objective assessment items, but without author training, questions can be subjective in nature. Because this style of test does not require a teacher to interpret answers, test-takers are graded purely on their selections, creating a lower likelihood of teacher bias in the results. [8]
Title Authors ----- ----- SQL Examples and Guide 4 The Joy of SQL 1 An Introduction to SQL 2 Pitfalls of SQL 1 Under the precondition that isbn is the only common column name of the two tables and that a column named title only exists in the Book table, one could re-write the query above in the following form:
A coding interview is intended to seek out creative thinkers and those who can adapt their solutions to rapidly changing and dynamic scenarios. [citation needed] Typical questions that a candidate might be asked to answer during the second-round interview include: [7] Design a GPS navigation unit for a hiker.
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 ...
Wikipedia-iphone – complete download for iPhone or iPod Touch; Infodisiac downloads (for Windows Mobile/Pocket PC, regular Windows O/S, and Palm) Webaroo – download of all Wikipedia articles as a set of web pages, for off-line reading (horribly out-of-date) Do-it-yourself: Wikipedia:Database download
This SQL code is designed to pull up the records of the specified username from its table of users. However, if the "userName" variable is crafted in a specific way by a malicious user, the SQL statement may do more than the code author intended. For example, setting the "userName" variable as: ' OR '1'='1
Here is an example of the source code in use for a very simple "Hello, World!" program : program HelloWorld ( output ) ; begin WriteLn ( 'Hello, World!' ) {No ";" is required after the last statement of a block - adding one adds a "null statement" to the program, which is ignored by the compiler.} end .