SQL Syntax
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Revision as of 19:28, 11 November 2011 by imported>Aeric
Here is the syntax for the SQL SELECT statements that the SQL parser recognizes.
- Considerations
-
- SQL syntax is case insensitive.
- Field and table names are case sensitive
Learn more: SQL Functions
- Legend
-
- [ ... ] - Optional
- [ ... ]* - Zero or more
- [ ... ]? - One or none
- { ... | ... } - Choose one
SELECT STATEMENT
In a select statement, you designate one more columns, separated by commas (or "*" for all columns), a table to get the data from, and additional options:
- SELECT
- { * | column_expr [, column_expr]* }
- FROM table_reference
- [WHERE where_clause]
- [GROUP BY group_clause]
- [ORDER BY order_clause]
- [LIMIT limit_clause]
column_expr
There are several ways to specify columns:
- { column_name
- | [DISTINCT] column_name
- | [DISTINCT](column_name)
- ...
- }
where:
- DISTINCT
- Eliminates duplicate rows from the result set.