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
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
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;
