집계함수 (aggregate function)

APPROX_COUNT ( ( * | expr ) [ , 'MAX_ERROR' ] )
APPROX_COUNT_DISTINCT(expr)
APPROX_COUNT_DISTINCT_AGG( detail )
APPROX_COUNT_DISTINCT_DETAIL( expr )
APPROX_MEDIAN( expr [ DETERMINISTIC ] [, { 'ERROR_RATE' | 'CONFIDENCE' } ] )
APPROX_PERCENTILE( expr [ DETERMINISTIC ] [, { 'ERROR_RATE' | 'CONFIDENCE' } ] )
                                          WITHIN GROUP ( ORDER BY expr [ DESC | ASC ] )
APPROX_PERCENTILE_AGG(expr)
APPROX_PERCENTILE_DETAIL( expr [ DETERMINISTIC ] )
APPROX_RANK ( expr [ PARTITION BY partition_by_clause ] [ ORDER BY order_by_clause DESC] )
APPROX_SUM (  ( * | expr )[ , 'MAX_ERROR' ] )
AVG([ DISTINCT | ALL ] expr) [ OVER(analytic_clause) ]
COLLECT( [ DISTINCT | UNIQUE ] column [ ORDER BY expr ] )
CORR(expr1, expr2) [ OVER (analytic_clause) ]
CORR_K(expr1, expr2 [, { COEFFICIENT | ONE_SIDED_SIG | ONE_SIDED_SIG_POS | ONE_SIDED_SIG_NEG
                                         | TWO_SIDED_SIG } ] )
CORR_S(expr1, expr2 [, { COEFFICIENT | ONE_SIDED_SIG | ONE_SIDED_SIG_POS | ONE_SIDED_SIG_NEG
                                         | TWO_SIDED_SIG } ] )
COUNT({ * | [ DISTINCT | ALL ] expr }) [ OVER (analytic_clause) ]
COVAR_POP(expr1, expr2) [ OVER (analytic_clause) ]
COVAR_SAMP(expr1, expr2) [ OVER (analytic_clause) ]
CUME_DIST(expr[,expr ]...) WITHIN GROUP (ORDER BY expr [ DESC | ASC ] [ NULLS { FIRST | LAST } ] 
                                                                                           [, expr [ DESC | ASC ] [ NULLS { FIRST | LAST } ] ]... )
DENSE_RANK(expr [, expr ]...) WITHIN GROUP (ORDER BY expr [ DESC | ASC ] [ NULLS { FIRST | LAST } ]
                                                                                                  [,expr [ DESC | ASC ] [ NULLS { FIRST | LAST } ] ]... )
aggregate_function KEEP ( DENSE_RANK FIRST ORDER BY expr [ DESC | ASC ] [ NULLS { FIRST | LAST } ]
                                                                                                  [, expr [ DESC | ASC ] [ NULLS { FIRST | LAST } ] ]... )
                                                                                                  [ OVER ( [query_partition_clause] ) ]
GROUP_ID( )
GROUPING(expr)
GROUPING_ID(expr [, expr ]...)
JSON_ARRAYAGG( expr [ FORMAT JSON ]  [ order_by_clause ] [ JSON_on_null_clause ]
                                          [ JSON_agg_returning_clause ] [ STRICT ] )
JSON_OBJECTAGG( [ KEY ] key_expr VALUE val_expr [ JSON_on_null_clause ]       
                                                                                           [ JSON_agg_returning_clause ]
                                                                                           [ STRICT ] [ WITH UNIQUE KEYS ] )
aggregate_function KEEP(DENSE_RANK LAST ORDER BY expr [ DESC | ASC ] [ NULLS { FIRST | LAST } ]
                                                                                              [, expr [ DESC | ASC ] [ NULLS { FIRST | LAST } ] ]... )
                                                                                              [ OVER ( [query_partition_clause] ) ]
LISTAGG( [ ALL | DISTINCT ] measure_expr [, ' delimiter ' ] [ listagg_overflow_clause ] )
                  [ WITHIN GROUP ( order_by_clause )  ] [ OVER ( [ query_partition_clause ] ) ]
MAX([ DISTINCT | ALL ] expr) [ OVER (analytic_clause) ]
MEDIAN(expr) [ OVER ( [ query_partition_clause ] ) ]
MIN([ DISTINCT | ALL ] expr) [ OVER (analytic_clause) ]
PERCENT_RANK(expr [, expr ]...) WITHIN GROUP (ORDER BY expr [ DESC | ASC ] [NULLS { FIRST | LAST } ]
                                                                                                    [, expr [ DESC | ASC ] [NULLS { FIRST | LAST } ] ]... )
PERCENTILE_CONT(expr) WITHIN GROUP (ORDER BY expr [ DESC | ASC ]) [ OVER (query_partition_clause) ]
PERCENTILE_DISC(expr) WITHIN GROUP (ORDER BY expr [ DESC | ASC ]) [ OVER (query_partition_clause) ]
RANK(expr [, expr ]...) WITHIN GROUP (ORDER BY expr [ DESC | ASC ] [ NULLS { FIRST | LAST } ]
                                                                                  [, expr [ DESC | ASC ] [ NULLS { FIRST | LAST } ] ]... )
REGR_SLOPE(expr1 , expr2) [ OVER (analytic_clause) ]
REGR_INTERCEPT(expr1 , expr2) [ OVER (analytic_clause) ]
REGR_COUNT(expr1 , expr2) [ OVER (analytic_clause) ]
REGR_R2(expr1 , expr2) [ OVER (analytic_clause) ]
REGR_AVGX(expr1 , expr2) [ OVER (analytic_clause) ]
REGR_AVGY(expr1 , expr2) [ OVER (analytic_clause) ]
REGR_SXX(expr1 , expr2) [ OVER (analytic_clause) ]
REGR_SYY(expr1 , expr2) [ OVER (analytic_clause) ]
REGR_SXY(expr1 , expr2) [ OVER (analytic_clause) ]
STATS_BINOMIAL_TEST(expr1, expr2, p [, { 'TWO_SIDED_PROB' | 'EXACT_PROB' | 
                                                                     'ONE_SIDED_PROB_OR_MORE' |
                                                                     'ONE_SIDED_PROB_OR_LESS' } ] )
STATS_CROSSTAB(expr1, expr2 [, { 'CHISQ_OBS' | 'CHISQ_SIG' | 'CHISQ_DF' | 'PHI_COEFFICIENT'
                                                          | 'CRAMERS_V' | 'CONT_COEFFICIENT' | 'COHENS_K' } ] )
STATS_F_TEST(expr1, expr2
                           [, { { 'STATISTIC' | 'DF_NUM' | 'DF_DEN' | 'ONE_SIDED_SIG' } , expr3 | 'TWO_SIDED_SIG' } ] )
STATS_KS_TEST(expr1, expr2 [, { 'STATISTIC' | 'SIG' } ] )
STATS_MODE(expr)
STATS_MW_TEST(expr1, expr2 [, { 'STATISTIC' | 'U_STATISTIC' | 'ONE_SIDED_SIG' ,
                                                           expr3 | 'TWO_SIDED_SIG' } ] )
STATS_ONE_WAY_ANOVA(expr1, expr2 [, { 'SUM_SQUARES_BETWEEN' | 'SUM_SQUARES_WITHIN'
                                                                       | 'DF_BETWEEN' | 'DF_WITHIN'
                                                                       | 'MEAN_SQUARES_BETWEEN' | 'MEAN_SQUARES_WITHIN'
                                                                       | 'F_RATIO' | 'SIG' } ] )
STATS_T_TEST_*
STATS_WSR_TEST(expr1, expr2 [, { 'STATISTIC' | 'ONE_SIDED_SIG' | 'TWO_SIDED_SIG' } ] )
STDDEV([ DISTINCT | ALL ] expr) [ OVER (analytic_clause) ]
STDDEV_POP(expr) [ OVER (analytic_clause) ]
STDDEV_SAMP(expr) [ OVER (analytic_clause) ]
SUM([ DISTINCT | ALL ] expr) [ OVER (analytic_clause) ]
SYS_OP_ZONE_ID( [ [ schema. ] table. | t_alias. ] rowid [, scale ] )
SYS_XMLAGG(expr [, fmt ])
TO_APPROX_COUNT_DISTINCT(detail)
TO_APPROX_PERCENTILE(detail, expr, 'datatype' [, { 'DESC' | 'ASC' | 'ERROR_RATE' | 'CONFIDENCE' } ])
VAR_POP(expr) [ OVER (analytic_clause) ]
VAR_SAMP(expr) [ OVER (analytic_clause) ]
VARIANCE([ DISTINCT | ALL ] expr) [ OVER (analytic_clause) ]
XMLAGG(XMLType_instance [ order_by_clause ])