Cheatsheets/Guids:
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| -- show running queries (pre 9.2) | |
| SELECT procpid, age(clock_timestamp(), query_start), usename, current_query | |
| FROM pg_stat_activity | |
| WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' | |
| ORDER BY query_start desc; | |
| -- show running queries (9.2) | |
| SELECT pid, age(clock_timestamp(), query_start), usename, query | |
| FROM pg_stat_activity | |
| WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' |
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| # Redis Cheatsheet | |
| # All the commands you need to know | |
| redis-server /path/redis.conf # start redis with the related configuration file | |
| redis-cli # opens a redis prompt | |
| # Strings. |
This sheet goes along with this SSH YouTube tutorial
$ ssh [email protected]
$ mkdir test
$ cd test
A curated list of AWS resources to prepare for the AWS Certifications
A curated list of awesome AWS resources you need to prepare for the all 5 AWS Certifications. This gist will include: open source repos, blogs & blogposts, ebooks, PDF, whitepapers, video courses, free lecture, slides, sample test and many other resources.
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| NOTE: | |
| Oracle9i: estimate_percent defaults to NULL which is COMPUTE | |
| Oracle10g: estimate_percent defaults to to_estimate_percent_type (get_param('ESTIMATE_PERCENT')) | |
| -- ******************************** | |
| -- * Generating Schema Statistics * | |
| -- ******************************** | |
| execute dbms_stats.gather_schema_stats(ownname=>'SCHEMAOWNER',estimate_percent=>NULL,cascade=>TRUE,degree=>dbms_stats.default_degree) | |
| execute dbms_stats.gather_schema_stats(ownname=>'SCHEMAOWNER',estimate_percent=>NULL,cascade=>TRUE,degree=>dbms_stats.default_degree,method_opt=>'FOR ALL INDEXED COLUMNS SIZE AUTO') | |
| execute dbms_stats.gather_schema_stats(ownname=>'SCHEMAOWNER',estimate_percent=>NULL,cascade=>TRUE,degree=>dbms_stats.default_degree,method_opt=>'FOR ALL INDEXED COLUMNS SIZE 1') -- No Histograms |
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| // imports a couple of java tasks | |
| apply plugin: "java" | |
| // List available tasks in the shell | |
| > gradle tasks | |
| // A Closure that configures the sourceSets Task | |
| // Sets the main folder as Source folder (where the compiler is looking up the .java files) | |
| sourceSets { | |
| main.java.srcDir "src/main" |
