Tài liệu SQL Puzzles & Answers- P4 ppt

... '1994-06-02''Bill' '1994-06-03''Bill' '1994-06-04''Bill' '1994-06-05''Bill' '1994-06-06''Bill' '1994-06-07''Fred' ... ======================= 'city1' 'city1' 'city2' 'city2' 'city3' 'city3' 'county1' 'city1' 'county1' 'city2' ... sale_date========================= 'Fred' '1994-06-01''Mary' '1994-06-01''Bill' '1994-06-01''Fred' '1994-06-02''Bill' '1994-06-02''Bill'...

Tài liệu SQL Puzzles & Answers- P2 pptx

... 10 'Meyer' 'SF' '1994-03-01' 10 'Dow' 'AP' '1994-01-01' 10 'Dow' 'OR' '1994-02-01' 20 'Meyer' ... 'AP' '1994-01-01' 20 'Meyer' 'OR' '1994-02-01' 20 'Baker' 'AP' '1994-01-01' 30 'Johnson' 'AP' ... 10 'Johnson' 'AP' '1994-01-01' 10 'Johnson' 'OR' '1994-02-01' 10 'Johnson' 'SF' '1994-03-01' 10 'Johnson'...

Tài liệu SQL Puzzles & Answers- P3 pptx

... fam================================ 'Bob' 'A' 1 NULL 'Joe' 'B' 3 NULL 'Mark' 'C' 5 NULL 'Mary' 'A' 2 1 'Vickie' 'B' 4 3 'Wayne' ... sales_person==================== 1 'Harpo' 1 'Moe' 1 'Larry' 2 'Dick' 2 'Fred' 2 'Harry' 2 'Tom' 3 'Irving' 3 'Melvin' ... ('Jones', 'B-52 Bomber'), ('Jones', 'F-14 Fighter'), ('Smith', 'B-1 Bomber'), ('Smith', 'B-52 Bomber'), ('Smith',...

Tài liệu SQL Puzzles & Answers- P6 ppt

... 'Beta' 1 'Beta' 2 'Delta' 4 'Delta' 4 'Delta' 4 'Delta' 4 'Gamma' 12 'Gamma' 12 'Gamma' 13 'Gamma' ... ======='Alpha' 1 'Alpha' 1 'Alpha' 1 'Alpha' 1 'Beta' 1 'Alpha' and 'Beta' are ready to harvest'Beta' 1 'Beta' ... pieces ================= =================='Alpha' 4'Beta' 5'Delta' 16'Gamma' 50 The row ('Epsilon', 1) goes immediately to Answer table.Step...

Tài liệu SQL Puzzles & Answers- P1 pdf

... (1995, '1994-10-01', '1995-09-30') (1996, '1995-10-01', '1996-08-30') <== error! (1997, '1996-10-01', '1997-09-30') (1998, '1997-10-01', ... ====================================== 10 'Baker' 08:00 11:00 20 'Baker' 09:00 13:00 30 'Dow' 09:00 15:30 40 'Dow' 08:00 13:30 50 'Dow' 10:00 11:30 60 'Dow' ... standard was SQL- 86, and the SQL- 92 standard was a design goal for the database vendors. Today, most vendors have gotten most of SQL- 92 into their products. The design goal is now the SQL- 99 standard’s...

Tài liệu SQL Puzzles & Answers- P5 doc

... SUBSTRING(STUFF(STUFF(STUFF('1234567', a, 1, ''), b, 1, ''), c, 1, ''), d, 1) || SUBSTRING(STUFF(STUFF(STUFF(STUFF('1234567', a, 1, ''), b, 1, ''), ... 1, ''), d, 1, ''), e, 1) || SUBSTRING(STUFF(STUFF(STUFF(STUFF(STUFF('1234567', a, 1, ''), b, 1, ''), c, 1, ''), d, 1, ''), ... 1, ''), f, 1) || STUFF(STUFF(STUFF(STUFF(STUFF(STUFF('1234567', a, 1, ''), b, 1, ''), c, 1, ''), d, 1, ''), e, 1, ''),...

Tài liệu SQL Puzzles & Answers- P7 docx

... VALUES ('Al'), ('Ben'), ('Charlie'), ('David'), 'Ed'), ('Frank'), ('Greg'), ('Howard'), ('Ida'), ('Joe'), ... '1997-01-12', '1997-01-15'), (8, '1997-01-13', '1997-01-14'), (9, '1997-01-14', '1997-01-14'), (10, '1997-01-17', '1997-01-17');Answer ... '1997-01-05'), (4, '1997-01-06', '1997-01-09'), (5, '1997-01-09', '1997-01-09'), (6, '1997-01-09', '1997-01-09'), (7, '1997-01-12',...

Tài liệu SQL Clearly Explained- P4 pptx

... isbn, asking_price, CASE WHEN asking_price < 50 THEN asking_price * .95 WHEN asking_price < 75 THEN asking_price * .9 WHEN asking_price < 100 THEN asking_price * .8 ELSE asking_price ... will be reading about in this chapter are often referred to as SQL s OLAP (Online Analytical Processing) functions.e basic SQL set, or aggregate, functions (summarized in Table 7-1) compute ... unless you resort to the group making trick shown earlier. e more recent versions of the SQL stan-dard (from SQL: 2003 onward), however, include a new way to compute aggregate functions yet display...

Tài liệu SQL Puzzles & Answers- P8 pdf

... ('h1' || H1.wife, 'h2' || H2.wife, 'h3' || H3.wife, 'h4' || H4.wife, 'h5' || H5.wife, 'h6' || H6.wife, 'h7' || H7.wife, 'h8' ... ('w1', 'h2', 3); INSERT INTO Wives VALUES ('w1', 'h3', 7); INSERT INTO Wives VALUES ('w1', 'h4', 1); INSERT INTO Wives VALUES ('w1', ... ('w1', 'h5', 4); INSERT INTO Wives VALUES ('w1', 'h6', 2); INSERT INTO Wives VALUES ('w1', 'h7', 8); INSERT INTO Wives VALUES ('w1', 'h8',...

Tài liệu SQL Puzzles & Answers- P9 doc

... provide real-world insights into SQL program-ming. His best-selling books include Joe Celko’s SQL for Smarties:Advanced SQL Programming, second edition; Joe Celko’s SQL Puzzles andAnswers; and Joe ... list subqueries, 145set operators, 100 SQL- 99, OLAP functions, 153 SQL- 2003, OLAP functions, 147 SQL for Smarties, 242 SQL puzzles absentees, 4–8age ranges for products, 261–62airlines and ... 175Printerscommon, 30, 32load balancing, 30LPT numbers, 31scheduling, 29–33unassigned, 32 Puzzles. See SQL puzzles R Race, Daren, 212RANK() functiondefined, 85hidden sort, 67OUTER JOINs with,...

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