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 Oracle PL/SQL: Number Functions: COUNT (running count) Jump to:  
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Snippet Name: Number Functions: COUNT (running count)

Description: Returns a running count of all records or by partition.

Also see:
» FUNCTIONS: Deterministic
» FUNCTIONS: Nested Functions
» FUNCTIONS: IF statement
» FUNCTIONS: date/time
» FUNCTIONS: Sample functions
» FUNCTIONS: drop
» FUNCTIONS: Recompile
» FUNCTIONS: DEBUG mode
» FUNCTIONS: IN OUT parameter
» FUNCTIONS: with output parameters
» FUNCTIONS: with parameters
» FUNCTIONS: without parameters
» FUNCTIONS: Create function
» FUNCTIONS: special restrictions
» FUNCTIONS: System Privileges
» IN Function
» Built-In Functions: CASE
» Built-In Functions: DECODE
» SUBST and INSTR together
» INSTR (InString)
» SUBSTR (SubString)
» String Functions: REVERSE
» String Functions: LENGTH
» String Functions: INSTR
» String Functions: CONCAT
» String Functions: CHAR
» String Functions: INITCAP
» String Functions: LOWER
» String Functions: UPPER
» Date Functions: NUMTOYMINTERVAL

Comment: (none)

Language: PL/SQL
Highlight Mode: PLSQL
Last Modified: March 03rd, 2009

COUNT(<*, [DISTINCT | ALL] <expression>>) OVER (<analytic clause>)
 
SELECT submit_date, num_votes, TRUNC(COUNT(votes)
OVER(ORDER BY submit_date ROWS UNBOUNDED PRECEDING)) AS DAY_COUNT
FROM votes
ORDER BY submit_date;
 
SELECT submit_date, COUNT(*)
OVER(PARTITION BY submit_date ORDER BY submit_date
ROWS UNBOUNDED PRECEDING) NUM_RECS
FROM votes;


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