Difference between revisions of "SQL Syntax"
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===column_expr=== | ===column_expr=== | ||
There are several ways to specify columns: | |||
:''column_name'' | :|''column_name'' | ||
:| [DISTINCT] ''column_name'' | :| [DISTINCT] ''column_name'' | ||
:| [DISTINCT](''column_name'') | :| [DISTINCT](''column_name'') |
Revision as of 19:22, 11 November 2011
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
SELECT STATEMENT
In a select statement, you designate one more columns, separated by commas, and a table to get the data from, plus 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.