From da5875e9400fcfb79ecd8bce842f1f3306d74593 Mon Sep 17 00:00:00 2001 From: Paul Trowbridge Date: Thu, 28 Sep 2017 12:01:06 -0400 Subject: [PATCH] add files on asset based lending, postgres features, and price mix vol formulas --- asset_based_lending.md | 2 ++ postgres_features.md | 30 ++++++++++++++++++++++++++++++ price_mix_vol.md | 21 +++++++++++++++++++++ 3 files changed, 53 insertions(+) create mode 100644 asset_based_lending.md create mode 100644 postgres_features.md create mode 100644 price_mix_vol.md diff --git a/asset_based_lending.md b/asset_based_lending.md new file mode 100644 index 0000000..81afaf2 --- /dev/null +++ b/asset_based_lending.md @@ -0,0 +1,2 @@ +FCC - fixed charge coverage ratio - looks at cash flow as compared to cash require dto fulfill debt payments +SLR - senior debt leverage ratio - senior debt to ebitda \ No newline at end of file diff --git a/postgres_features.md b/postgres_features.md new file mode 100644 index 0000000..2260024 --- /dev/null +++ b/postgres_features.md @@ -0,0 +1,30 @@ +Version 10 Features +=================== + +Auto Logging [blog](http://databasedoings.blogspot.com/2017/07/cool-stuff-in-postgresql-10-auto-logging.html) + +Transition Tables [blog](http://databasedoings.blogspot.com/2017/07/cool-stuff-in-postgresql-10-transition.html) + +Correlated Columns Query Plan [blog](https://blog.2ndquadrant.com/pg-phriday-crazy-correlated-column-crusade/) + +Native Partitioning + +Logical Replication + +Add a version of jsonb's delete operator that takes an array of keys to delete (Magnus Hagander) + +Make json_populate_record() and related functions process JSON arrays and objects recursively (Nikita Glukhov) + +Identity Columns [blog](https://blog.2ndquadrant.com/postgresql-10-identity-columns/) + +Add view pg_hba_file_rules to display the contents of pg_hba.conf (Haribabu Kommi) + +Add XMLTABLE function that converts XML-formatted data into a row set (Pavel Stehule, Álvaro Herrera) + + +Security +=================== + +LDAP & Active Directory [blog](https://www.openscg.com/2017/07/setting-up-ldap-with-active-directory-in-postgresql/) + +Add SCRAM-SHA-256 support for password negotiation and storage (Michael Paquier, Heikki Linnakangas) \ No newline at end of file diff --git a/price_mix_vol.md b/price_mix_vol.md new file mode 100644 index 0000000..f26651a --- /dev/null +++ b/price_mix_vol.md @@ -0,0 +1,21 @@ + +Only applies to items that exist in both sets of data + +**Change in Price** + + ( P₂ - P₁ ) Q₂ + +**Change in Quantity** + + ( Q₂ - Q₁ ) P₁ + +_To further break out change in quantity_ + + +Change in Quantity - _Volume Related_ + + Q₂ ( Q₁ / Σ ( Q₁ ) ) - Q₁ + +Change in Quantity - _Mix Related_ + + Q₂ - Q₂ ( Q₁ / Σ ( Q₁ ) ) \ No newline at end of file