狠狠撸

oracle performance asktom database security sql 12c plsql 18c dba new features 19c optimizer rollup flashback oracle 12c groundbreakers kill session sql injection parsing autonomous pagination flashback data archive 11g global temporary tables match_recognize upgrade pivot bind variables histograms exadata pattern matching hints and tips dbms_xplan unpivot collation analytics cube array fetch dbms_stats partitioned outer join oradebug development sql plan management scn cloud dbas cancel sql developers multitenant ansi joins sql tuning ranked rows dbms_spm buckets frequency top-frequency hybrid outer join sql plan baselines query block naming error logging java jdbc foreign key triggers tracing referential integrity gather_plan_statistics apex hacked unit testing continuous integration pluggable database tips patching common table expressions json window functions hacking error handling connect by 20c order by hotsos standby free database real world performance express edition application express partitioning read consistency hints pinning listagg locking binding external tables latching utl_call_stack dbms_redact dbms_utility fetch first inline with clause model clause dimension by rules data redaction oracled tom kyte cary milsap awr in-memory pluggable ukoug big data tuning cardinality 10g data warehouse oltp range partition list partition hash partition bloom filter partition pruning analytic functions oracle odd history test case default identity default on null invisible columns truncate cascade audit xid row versions undo dbns_system quarantine latency grouping sets cte oow19 rowversions recursive hierarchy case study decode sql features xe memoptimize execution plan fdba redo system change numer applications encapsulation modular object oriented aggregate lag dense_rank row_number snapshot data guard sqlcl sqlplus dataguard vmware dbms_flashback dual mistakes disasters paging dml error logging temporal validity validate_conversion packs licensing options json_search json_table json_query sys_connect_by_path recursion order siblings by offset rownum top-n flashback database explain plan log errors save exceptions bulk collect forall bulk binding dbsat elasticity s oracles conferences groundbreaker ambassador java champion ace director ace program community sys_context sql_trace