SQL Specification
Data Types
- Introduction
- Numeric types
- Character types
- Date/Time types
- Boolean types
- Type Conversion
- ROW IDs
SQL Syntax Conventions
Data Definition Language (DDL) Commands
Transaction Control Language Commands
Hints
- Overview
- General notes
- Join hints
- Hints for parallelism of distributed operations
- Other hints
SQL Functions and Operators
- SQL Functions and Operators
- Comparison Functions and Operators
- Mathematical Functions and Operators
- String Functions and Operators
- Date/Time Functions and Operators
- Conditional Expressions
- Convert Functions
- Aggregate Functions
- Subquery Expressions
Managing Users
System Monitoring
- Using System Monitoring Views
- SHOW SYSTEM VIEWS
- Database Catalog Data
- System Catalog Data
- Dynamic System Data
- System Management
Subquery Expressions
Subquery Expressions
This section describes the available subquery expressions.
Note that subqueries can be used only in the FROM
or the WHERE
clauses.
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