SQL
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External
- Learning SQL, 3rd Edition by Alan Beaulieu
Internal
Overview
This article documents standard SQL. For database-specific extensions, we'll link to the databases-specific DML operations page.
SQL is a non-procedural language TODO: this
Terms
Result Set
SQL Schema Statements (DDL)
CREATE
CREATE TABLE
ALTER TABLE
SQL Data Statements (DML)
INSERT
UPDATE
UPDATE WHERE
DELETE
DELETE WHERE
SELECT
Query execution. SQL optimizer.
SQL Transaction Statements
Transactions.
Data Types
- SQL data types
- Database-specific data types
- Working with different data types
- Conversion functions
SQL NULL
NULL
in conditions.