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Chapter 8: Built-in functions and Variables

Table of Contents

Context variables
CURRENT_CONNECTION
CURRENT_DATE
CURRENT_ROLE
CURRENT_TIME
CURRENT_TIMESTAMP
CURRENT_TRANSACTION
CURRENT_USER
DELETING
GDSCODE
INSERTING
NEW
'NOW'
OLD
ROW_COUNT
SQLCODE
SQLSTATE
'TODAY'
'TOMORROW'
UPDATING
'YESTERDAY'
USER
Scalar Functions
Functions for Working with Context Variables
Mathematical Functions
Functions for Working with Strings
Date and Time Functions
Type Casting Functions
Functions for Bitwise Operations
Functions for Working with UUID
Functions for Working with Generators (Sequences)
Conditional Functions
Aggregate Functions
AVG()
COUNT()
LIST()
MAX()
MIN()
SUM()

Here, the large collection of context variables, scalar functions and aggregate functions are described.

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