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|Lynda.com| - SQL Essential Training
Во многих job requirements видела SQL. Посмотрю курс, чтобы знать о чем это вообще.
Критерій завершення
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Особисті ресурси
Свободное время
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Introduction
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Welcome
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Using the exercise files
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Course overview
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Installing the test environment on a Mac
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Installing the test environment on a PC
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What is SQL?
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1. SQL Quick Start
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Quick-start introduction
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Using the basic SELECT statement
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Selecting rows
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Selecting columns
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Counting rows
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Inserting data
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Updating data
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Deleting data
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2. Fundamentals
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Databases and tables
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SQL syntax overview
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Formatting SQL
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Creating tables
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Deleting a table with DROP TABLE
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Inserting rows into a table
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Deleting rows from a table
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Understanding NULL
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Controlling column behaviors with constraints
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Changing a schema with ALTER
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Creating an ID column
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Filtering data with WHERE, LIKE, and IN
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Removing duplicates with SELECT DISTINCT
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Sorting with ORDER BY
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Conditional expressions with CASE
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3. Relationships
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Understanding joins
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Accessing related tables with JOIN
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Using multiple related tables
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4. Strings
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About SQL strings
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Finding the length of a string
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Selecting part of a string
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Removing spaces with TRIM
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Making strings uppercase and lowercase
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5. Numbers
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About numeric types
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Finding the type of a value
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Integer division and remainders
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Rounding numbers
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6. Dates
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Dates and times
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Date- and time-related functions
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7. Aggregates
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How aggregates work
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Using aggregate functions
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Aggregating DISTINCT values
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8. Transactions
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Why use transactions?
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Using transactions
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9. Triggers
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Updating a table with a trigger
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Preventing automatic updates with a trigger
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Automating timestamps with a trigger
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10. Subselects and Views
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Creating a simple subselect
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Searching within a result set
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Creating a view
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Creating a joined view
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11. A Simple CRUD Application
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Touring the CRUD application
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The SELECT functions
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The INSERT, UPDATE, and DELETE functions
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Conclusion
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Goodbye
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