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Whole-book reading guide from stratified index samples; jump to passages in the text
Brief outline
【One-Line Pitch】
Learn SQL in a Month of Lunches (Jeff Iannucci) (Z-Library) (Keita Broadwater, Namid Stillman): a quick map of the book's arc and key takeaways for busy readers.
【Book Arc】
- **Opening (~0%–12%)**: 书名: Learn SQL in a Month of Lunches (Jeff Iannucci) (Z-Library) 作者: Keita Broadwater, Namid Still…; I wasn’t a software developer, and my programming skills were limited mostly to typing a few DOS commands on a home computer.
- **Early (~12%–35%)**: cepts and techniques will work with any relational database.; First, we can select Execute All or Execute Current Statement from the Query menu at the top.
- **Middle (~35%–65%)**: Lab answers 49 2 The query returns no values because there is an extra space after the word Tables in the WHERE clause.; the values we used in our filter conditions.
- **Late (~65%–88%)**: Also, some RDBMSes don’t support right outer joins.; The second query instead executes a single SELECT, which searches for rows that meet multiple conditions.
- **Ending (~88%–100%)**: 2 Filter the data to reduce the result set in the WHERE clause.; e DECLARE keyword and also assign it a specified data type.
【Key Takeaways】
- **书名: Learn SQL in a Mon…** (Opening): 书名: Learn SQL in a Month of Lunches (Jeff Iannucci) (Z-Library) 作者: Keita Broadwater, Namid Still…
- **I wasn’t a software de…** (Opening): I wasn’t a software developer, and my programming skills were limited mostly to typing a few DOS commands on a home computer.
- **to sort or limit the r…** (Opening): to sort or limit the results of your queries and gets you started adding valuable comments to your SQL.
- **cepts and techniques w…** (Early): cepts and techniques will work with any relational database.
- **First, we can select E…** (Early): First, we can select Execute All or Execute Current Statement from the Query menu at the top.
- **Doing so will result i…** (Early): Doing so will result in a syntax error.
【Reading Tips】
- Use Passage locations below to jump into the text and set reading anchors
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【Coverage Limits】
Compressed outline without the model (~32 index chunks). Full structured guide needs AI available.
Page 11
101 10.5 INTERSECT 103 10.6 EXCEPT 104 10.7 Lab 105 10.8 Lab answers 106 11 Using subqueries and logical operators 108 11.1 A simple subquery 108 11.2 Logica...
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Excerpt 2
llows the same order of columns—a requirement because each row must include a representation of all columns in the table. Figure 2.2 The spreadsheet of book...
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Excerpt 3
urned: SELECT TitleName, PublicationDate FROM title ORDER BY PublicationDate DESC LIMIT 3 OFFSET 1; Figure 4.9 shows that the row with TitleName “The Sum Als...
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Excerpt 4
redibly useful when we want to look for a list of products that have specific text like tomato or cable in the name, or when we want a list of all customers...
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Excerpt 5
al character. 86 chapter 9 Using different kinds of joins The reason we’ll use these tables is that there are rows in each table that don’t relate to the oth...
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Excerpt 6
but also the unmatched rows from both tables. Figure 10.6 shows how we would represent these results in a Venn diagram if we could write such a query by sear...
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Excerpt 7
uery processing may seem strange, but it’s optimal for the RDBMS to follow in processing your query: 1 Evaluate the data in the tables your query will use in...
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Excerpt 8
ing a value from an existing table to use in our variable. First, though, let’s take a step back. Suppose that we want to return the value of TitleID instead...
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