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Query
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Query Select
1. 1. Query Select
1. 1. 1.
The basic syntax of the SELECT statement
1. 1. 2.
The operators you can use in a search condition
1. 1. 3.
Both uppercase and lowercase statements are acceptable, a query could be written as follows:
1. 1. 4.
Operator Precedence
1. 1. 5.
asterisk (*) specifies all columns of the named tables in the FROM clause
1. 1. 6.
A SELECT statement that retrieves rows with non-zero values
1. 1. 7.
A SELECT statement that retrieves two columns and a calculated value for a specific Billing
1. 1. 8.
retrieve specific columns
1. 1. 9.
A SELECT statement that retrieves three columns from each row, sorted in descending sequence by Billing total
1. 1. 10.
A SELECT statement that returns an empty result set
1. 1. 11.
SELECT 1.0 + 3.0 / 4.0 -- Returns 1.75
1. 1. 12.
SELECT (1.0 + 3.0) / 4.0 -- Returns 1.00
1. 1. 13.
The specification column_name [as] column_heading
1. 1. 14.
Table alias
1. 1. 15.
add a WHERE clause and group by
1. 1. 16.
A SELECT statement that uses the CHAR function to format output
1. 1. 17.
Use local variable in a select statement
1. 1. 18.
Using SELECT to Create a Script
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