By Dr. Sikha Bagui, Dr. Richard Earp
This is often total first-class ebook for the coed or person new to databases generally to profit easy methods to use SQL Server 2008. It starts with set up and begin up directions. It is going into SQL at a rudimentary - this can be a decide on assertion - point and progresses from there to extra complicated operations together with things like perspectives, JOINs, subqueries etc. it is written at a fairly simple point that the newbie should not have any difficulty.
I locate that i've got issues of the e-book.
First, as you'll count on the publication has a pattern database that's used to demonstrate some of the statements. however it does not seem that the pattern database comes in desktop readable shape. Appendix 2 has a script to make it easier to installed the database, yet that calls for that you simply variety in 14 pages of stuff. definitely they can discover a site someplace at both the writer or their collage to place it online or they can comprise a CD with the publication.
Second, it truly is difficult to understand the place to forestall if you are doing an introductory booklet. yet i think that one other bankruptcy to hide extra complicated SQL programming, equivalent to the IF/THEN assertion, looping, variables, PRINT, and the opposite issues that make T_SQL right into a genuine language might be incorporated. might be the authors do not think of those to be crucial and will watch for one other ebook.
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Extra resources for Essential SQL on SQL Server 2008
F F F F F F F F F M M M 45 2 2 2 1 1 1 1 1 NULL 25 4 3 (39 row(s) affected) You could also order by descending order of sex and descending order of age, as follows: SELECT dname, sex, age FROM Dependent ORDER BY sex DESC, age DESC This would return 39 rows of output (of which we show the ﬁrst 22 rows): dname -------------------Tom Chris James Amit Matt Om Jake Prakash Mithu Raju Sam Jon James Mahesh Sebastian Donald II sex ---M M M M M M M M M M M M M M M M age -----25 4 3 3 2 2 2 1 1 1 1 1 1 1 1 NULL 46 CHAPTER 2 Beginning SQL Commands in Microsoft SQL Server Losmith Susie Xi du Barbara Sally Susan .
For example, to display data from the dname and relationship columns in the Dependent table, use the following query: SELECT dname, relationship FROM Dependent This query also produces 39 rows of output (of which we show the ﬁrst 12 rows here): dname -------------------Matt Mary Beena Amit Shantu Raju Rani Susan Sam Donald II Chris Susan . . relationship -----------Son Daughter Spouse Son Daughter Son Daughter Son Son Son Daughter (39 row(s) affected) In this example, we see a row where dname (dependent name) is Rani, but no relationship has been assigned or entered.
Following is the general syntax of a SELECT statement with a WHERE clause: SELECT column-names FROM Table WHERE criteria For example, consider the following query: SELECT * FROM Dependent WHERE sex = 'F' This produces the following 22 rows of output: PNO -----2 2 10 14 17 34 34 62 62 128 128 128 132 142 143 144 145 146 147 153 153 158 DNAME -------------------Mary Beena Shantu Rani Susan Susan Monica Hillary Phoebe Mita Nita Barbara Rekha Rakhi Mona Susan Susie Xi du Barbara Madhu Mamta Sally (22 row(s) affected) RELATIONSHIP -----------Daughter Spouse Daughter Daughter Daughter Daughter Daughter Daughter Daughter Daughter Wife Daughter Daughter Daughter Wife Wife Wife Wife Daughter Daughter Wife SEX ---F F F F F F F F F F F F F F F F F F F F F F AGE -----1 19 2 3 2 1 1 2 3 NULL 2 18 2 1 1 19 21 20 20 3 2 20 48 CHAPTER 2 Beginning SQL Commands in Microsoft SQL Server The output for this query lists all the columns of the Dependent table but only the rows where the sex attribute has been assigned a value of 'F'.