Search results
Results From The WOW.Com Content Network
If-then-else flow diagram A nested if–then–else flow diagram. In computer science, conditionals (that is, conditional statements, conditional expressions and conditional constructs) are programming language constructs that perform different computations or actions or return different values depending on the value of a Boolean expression, called a condition.
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.
Databases and other data stores which treat the integrity of data as paramount often include the ability to handle transactions to maintain the integrity of data. A single transaction consists of one or more independent units of work, each reading and/or writing information to a database or other data store.
Atomicity does not behave completely orthogonally with regard to the other ACID properties of transactions. For example, isolation relies on atomicity to roll back the enclosing transaction in the event of an isolation violation such as a deadlock; consistency also relies on atomicity to roll back the enclosing transaction in the event of a consistency violation by an illegal transaction.
For example, AVG OF X was a valid identifier, equivalent to AVGOFX, and 101010 DO101I = 1, 101 was a valid statement, equivalent to 10101 DO 101 I = 1, 101 because the zero in column 6 is treated as if it were a space (!), while 101010 DO101I = 1.101 was instead 10101 DO101I = 1.101, the assignment of 1.101 to a variable called DO101I. Note the ...
"Nothing" is a song by Irish pop rock band the Script from their second studio album, Science & Faith. The song was released as the second single on 19 November 2010. It was written and produced by Danny O'Donoghue, Mark Sheehan, Steve Kipner, and Andrew Frampton. The song charted at number 15 in Ireland, and at number 42 in the United Kingdom.