2026-03-12 20:23:15
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csierra/cs_sgastat_awr_report.sql
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csierra/cs_sgastat_awr_report.sql
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----------------------------------------------------------------------------------------
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--
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-- File name: cs_sgastat_awr_report.sql
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--
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-- Purpose: SGA Pools History Report from AWR (include free memory)
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--
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-- Author: Carlos Sierra
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--
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-- Version: 2020/12/08
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--
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-- Usage: Execute connected to CDB
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--
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-- Enter range of dates.
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--
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-- Example: $ sqlplus / as sysdba
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-- SQL> @cs_sgastat_awr_report.sql
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--
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-- Notes: Developed and tested on 12.1.0.2.
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--
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---------------------------------------------------------------------------------------
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--
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@@cs_internal/cs_primary.sql
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--@@cs_internal/cs_cdb_warn.sql
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@@cs_internal/cs_set.sql
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@@cs_internal/cs_def.sql
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@@cs_internal/cs_file_prefix.sql
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--
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DEF cs_script_name = 'cs_sgastat_awr_report';
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DEF cs_hours_range_default = '336';
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--
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@@cs_internal/cs_sample_time_from_and_to.sql
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@@cs_internal/cs_snap_id_from_and_to.sql
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--
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@@cs_internal/&&cs_set_container_to_cdb_root.
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--
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SELECT '&&cs_file_prefix._&&cs_script_name.' cs_file_name FROM DUAL;
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--
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@@cs_internal/cs_spool_head.sql
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PRO SQL> @&&cs_script_name..sql "&&cs_sample_time_from." "&&cs_sample_time_to."
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@@cs_internal/cs_spool_id.sql
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--
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@@cs_internal/cs_spool_id_sample_time.sql
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--
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COL snap_id FOR 9999999 HEA 'Snap ID';
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COL begin_time FOR A19 HEA 'Begin Time';
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COL end_time FOR A19 HEA 'End Time';
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COL pga_aggregate_target FOR 9,990.000 HEA 'PGA|Aggregate|Target';
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COL sga_target FOR 9,990.0 HEA 'SGA|Target';
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COL buffer_cache FOR 9,990.000 HEA 'Buffer|Cache';
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COL log_buffer FOR 9,990.000 HEA 'Log|Buffer';
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COL shared_io_pool FOR 9,990.000 HEA 'Shared|IO Pool';
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COL fixed_sga FOR 9,990.000 HEA 'Fixed|SGA';
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COL shared_pool FOR 9,990.000 HEA 'Shared|Pool';
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COL shared_pool_free_memory FOR 9,990.000 HEA 'Shared|Pool|Free|Memory';
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COL large_pool FOR 9,990.000 HEA 'Large|Pool';
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COL large_pool_free_memory FOR 9,990.000 HEA 'Large|Pool|Free|Memory';
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COL java_pool FOR 9,990.000 HEA 'Java|Pool';
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COL java_pool_free_memory FOR 9,990.000 HEA 'Java|Pool|Free|Memory';
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COL streams_pool FOR 9,990.000 HEA 'Streams|Pool';
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COL streams_pool_free_memory FOR 9,990.000 HEA 'Streams|Pool|Free|Memory';
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--
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PRO
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PRO Memory Pools (GBs)
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PRO ~~~~~~~~~~~~~~~~~~
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WITH
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sgastat AS (
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SELECT /*+ MATERIALIZE NO_MERGE */
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snap_id,
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ROUND(SUM(CASE WHEN name = 'buffer_cache' AND pool IS NULL THEN bytes ELSE 0 END)/POWER(2,30), 3) buffer_cache, -- see bug 18166499
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ROUND(SUM(CASE WHEN name = 'log_buffer' AND pool IS NULL THEN bytes ELSE 0 END)/POWER(2,30), 3) log_buffer,
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ROUND(SUM(CASE WHEN name = 'shared_io_pool' AND pool IS NULL THEN bytes ELSE 0 END)/POWER(2,30), 3) shared_io_pool,
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ROUND(SUM(CASE WHEN name = 'fixed_sga' AND pool IS NULL THEN bytes ELSE 0 END)/POWER(2,30), 3) fixed_sga,
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ROUND(SUM(CASE WHEN pool = 'shared pool' AND name IS NULL THEN bytes ELSE 0 END)/POWER(2,30), 3) shared_pool, -- see bug 18166499
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ROUND(SUM(CASE WHEN pool = 'shared pool' AND name = 'free memory' THEN bytes ELSE 0 END)/POWER(2,30), 3) shared_pool_free_memory,
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ROUND(SUM(CASE WHEN pool = 'large pool' AND name IS NULL THEN bytes ELSE 0 END)/POWER(2,30), 3) large_pool, -- see bug 18166499
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ROUND(SUM(CASE WHEN pool = 'large pool' AND name = 'free memory' THEN bytes ELSE 0 END)/POWER(2,30), 3) large_pool_free_memory,
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ROUND(SUM(CASE WHEN pool = 'java pool' AND name IS NULL THEN bytes ELSE 0 END)/POWER(2,30), 3) java_pool, -- see bug 18166499
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ROUND(SUM(CASE WHEN pool = 'java pool' AND name = 'free memory' THEN bytes ELSE 0 END)/POWER(2,30), 3) java_pool_free_memory,
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ROUND(SUM(CASE WHEN pool = 'streams pool' AND name IS NULL THEN bytes ELSE 0 END)/POWER(2,30), 3) streams_pool, -- see bug 18166499
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ROUND(SUM(CASE WHEN pool = 'streams pool' AND name = 'free memory' THEN bytes ELSE 0 END)/POWER(2,30), 3) streams_pool_free_memory
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FROM dba_hist_sgastat
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WHERE dbid = TO_NUMBER('&&cs_dbid.')
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AND instance_number = TO_NUMBER('&&cs_instance_number.')
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AND snap_id BETWEEN TO_NUMBER('&&cs_snap_id_from.') AND TO_NUMBER('&&cs_snap_id_to.')
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GROUP BY
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snap_id
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),
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param AS (
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SELECT /*+ MATERIALIZE NO_MERGE */
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snap_id,
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ROUND(SUM(CASE parameter_name WHEN '__db_cache_size' THEN TO_NUMBER(value) ELSE 0 END)/POWER(2,30), 3) buffer_cache,
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ROUND(SUM(CASE parameter_name WHEN '__shared_io_pool_size' THEN TO_NUMBER(value) ELSE 0 END)/POWER(2,30), 3) shared_io_pool,
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ROUND(SUM(CASE parameter_name WHEN '__shared_pool_size' THEN TO_NUMBER(value) ELSE 0 END)/POWER(2,30), 3) shared_pool,
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ROUND(SUM(CASE parameter_name WHEN '__large_pool_size' THEN TO_NUMBER(value) ELSE 0 END)/POWER(2,30), 3) large_pool,
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ROUND(SUM(CASE parameter_name WHEN '__java_pool_size' THEN TO_NUMBER(value) ELSE 0 END)/POWER(2,30), 3) java_pool,
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ROUND(SUM(CASE parameter_name WHEN '__streams_pool_size' THEN TO_NUMBER(value) ELSE 0 END)/POWER(2,30), 3) streams_pool,
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ROUND(SUM(CASE parameter_name WHEN '__sga_target' THEN TO_NUMBER(value) ELSE 0 END)/POWER(2,30), 3) sga_target,
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ROUND(SUM(CASE parameter_name WHEN '__pga_aggregate_target' THEN TO_NUMBER(value) ELSE 0 END)/POWER(2,30), 3) pga_aggregate_target
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FROM dba_hist_parameter
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WHERE dbid = TO_NUMBER('&&cs_dbid.')
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AND instance_number = TO_NUMBER('&&cs_instance_number.')
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AND snap_id BETWEEN TO_NUMBER('&&cs_snap_id_from.') AND TO_NUMBER('&&cs_snap_id_to.')
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AND parameter_name IN ('__db_cache_size', '__java_pool_size', '__large_pool_size', '__pga_aggregate_target', '__sga_target', '__shared_io_pool_size', '__shared_pool_size', '__streams_pool_size')
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GROUP BY
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snap_id
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),
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my_query AS (
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SELECT /*+ MATERIALIZE NO_MERGE */
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s.snap_id,
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CAST(s.begin_interval_time AS DATE) begin_time,
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CAST(s.end_interval_time AS DATE) end_time,
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p.pga_aggregate_target,
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p.sga_target,
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p.buffer_cache,
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p.shared_pool,
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p.large_pool,
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p.java_pool,
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p.streams_pool,
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p.shared_io_pool,
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t.shared_pool_free_memory,
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t.large_pool_free_memory,
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t.java_pool_free_memory,
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t.streams_pool_free_memory
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FROM dba_hist_snapshot s,
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sgastat t,
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param p
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WHERE s.dbid = TO_NUMBER('&&cs_dbid.')
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AND s.instance_number = TO_NUMBER('&&cs_instance_number.')
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AND s.snap_id BETWEEN TO_NUMBER('&&cs_snap_id_from.') AND TO_NUMBER('&&cs_snap_id_to.')
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AND t.snap_id = s.snap_id
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AND p.snap_id = s.snap_id
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)
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SELECT end_time,
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pga_aggregate_target,
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sga_target,
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buffer_cache,
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shared_pool,
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large_pool,
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java_pool,
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streams_pool,
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shared_io_pool,
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shared_pool_free_memory,
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large_pool_free_memory,
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java_pool_free_memory,
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streams_pool_free_memory
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FROM my_query
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ORDER BY
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snap_id
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/
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--
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PRO
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PRO SQL> @&&cs_script_name..sql "&&cs_sample_time_from." "&&cs_sample_time_to."
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--
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@@cs_internal/cs_spool_tail.sql
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--
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@@cs_internal/&&cs_set_container_to_curr_pdb.
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--
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@@cs_internal/cs_undef.sql
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@@cs_internal/cs_reset.sql
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--
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