Sams teach yourself transact sql in 21 days 2e will teach programmers how to develop transact sql queries there will be a focus on providing methods for improving productivity without a reducing performance. Sams teach yourself transact sql in 21 days 2e will teach programmers how to develop transact sql queries there will be a focus on providing methods for improving productivity without a reducing performance specifically the reader willlearn transact sql syntax learn how to add delete and modifying data using transact sql understand coding standards review variations from ansi standard . Sams teach yourself transact sql in 21 days 2nd edition mauer lowell 9780672319679 books amazonca. Teach yourself sql in 21 days second edition day 1 introduction to sql a brief history of sql the history of sql begins in an ibm laboratory in san jose california where sql was developed in the late 1970s the initials stand for structured query language and the language itself is often referred to as sequel. With sql structured query language you can create tables within a database add and delete data query for information change system settings and trigger actions based on changes to the database whether youre a programmer administrator or database designer sams teach yourself sql in 21 days second edition provides all the information needed to fully understand this powerful tool and