Some Db Knowledge

EntityFramework.md

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+# 
+
+* [Best Way to Update only modified fields with Entity Framework](https://stackoverflow.com/questions/33137514/best-way-to-update-only-modified-fields-with-entity-framework)
+
+
+# Transactions
+* [Entity Framework Working with Transactions (EF6 Onwards)](https://msdn.microsoft.com/en-us/data/dn456843.aspx)
+* [Explicit transaction in Entity Framework 7](https://stackoverflow.com/questions/34399962/explicit-transaction-in-entity-framework-7)
+
+# Logging
+* [Entity Framework/Core and LINQ to Entities (3) Logging and Tracing Queries](https://weblogs.asp.net/dixin/entity-framework-core-and-linq-to-entities-3-logging-and-tracing-queries)
+* [EF6 SQL Logging – Part 1: Simple Logging](https://blog.oneunicorn.com/2013/05/08/ef6-sql-logging-part-1-simple-logging/)

Jpa.md

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 * [Extreme Transaction Processing Patterns: Write-behind Caching](https://www.infoq.com/articles/write-behind-caching)
 * [The anatomy of Hibernate dirty checking mechanism](https://vladmihalcea.com/2014/08/21/the-anatomy-of-hibernate-dirty-checking/)
 * [How to setup Hibernate Gradle plugin for bytecode enhancement?](https://stackoverflow.com/questions/35552109/how-to-setup-hibernate-gradle-plugin-for-bytecode-enhancement)
+* [JPA Auditing: Automatically Persisting Audit Logs Using EntityListeners](https://dzone.com/articles/jpa-auditing-automatically-persisting-audit-logs)
 
 # Hibernate 5
 * [5 new features in Hibernate 5 every developer should know](http://www.thoughts-on-java.org/5-new-features-hibernate-5-every-developer-know/)
@@ -47,6 +48,7 @@
 * [ALL ABOUT JAVA.UTIL.DATE](https://codeblog.jonskeet.uk/2017/04/23/all-about-java-util-date/)
 * [How to store date, time, and timestamps in UTC time zone with JDBC and Hibernate](https://vladmihalcea.com/2017/03/14/how-to-store-date-time-and-timestamps-in-utc-time-zone-with-jdbc-and-hibernate/)
 * [How to store timestamps in UTC using the new hibernate.jdbc.time_zone configuration property](http://in.relation.to/2016/09/12/jdbc-time-zone-configuration-property/)
+* TimestampTypeDescriptor class uses options.getJdbcTimeZone() 
 * [Spring Boot: Controlling timezones with Hibernate](https://moelholm.com/2016/11/09/spring-boot-controlling-timezones-with-hibernate/)
 
 

Oracle.md

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 # Connections
 * [How to check the maximum number of allowed connections to an Oracle database?](http://stackoverflow.com/questions/162255/how-to-check-the-maximum-number-of-allowed-connections-to-an-oracle-database)
 * [Increasing the Number of Processes in Oracle XE.](http://www.eddgrant.com/blog/2010/01/20/increasing-the-number-of-processes-in-oracle-xe.html)
+
+# File access
 * [How to find available directory objects on Oracle 11g system?](http://stackoverflow.com/questions/6345304/how-to-find-available-directory-objects-on-oracle-11g-system)
 * [UTL_FILE](https://docs.oracle.com/cd/B19306_01/appdev.102/b14258/u_file.htm)
+
+
+
 * [SQL for Analysis and Reporting](https://docs.oracle.com/cd/E11882_01/server.112/e25554/analysis.htm)
 
 # Books & Manuals

SQL Server.md

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+# 
+* [Buffer Pool Extension](https://docs.microsoft.com/en-us/sql/database-engine/configure-windows/buffer-pool-extension)
+
+
+* [Enable and Disable Change Data Capture (SQL Server)](https://docs.microsoft.com/en-us/sql/relational-databases/track-changes/enable-and-disable-change-data-capture-sql-server)
+
+* [SQL Server updating a time stamp column](https://stackoverflow.com/questions/4592658/sql-server-updating-a-time-stamp-column)
+* [timestamp (Transact-SQL)](https://msdn.microsoft.com/en-us/library/ms182776(v=sql.90).aspx)