Dear Readers,
In this article, we will see the following Daily Tips for MySQL .
Tip-1 Date: 30-Nov-20 Provided By: Sridhar
SQL Server is a platform dependent (windows) till SQL Serve:
👉 2016 version but from SQL 2017 onwards you can install SQL Server on Linux as well.
Tip-2 Date: 01-Dec-20 Provided By: Sridhar
👉 Backup compression feature is introduced in SQL SERVER 2008 Version
Tip-3 Date: 02-Dec-20 Provided By: Sridhar
👉 999 Non-clustered indexes can be created per table
Tip-4 Date: 03-Dec-20 Provided By: Sridhar
👉 The Always On availability groups feature is introduced in SQL Server 2012.
👉 This is high-availability and disaster-recovery solution that provides an enterprise-level alternative to database mirroring.
Tip-5 Date: 04-Dec-20 Provided By: Sridhar
👉 Mysql has different distributions like Oracle Mysql, Percona Mysql, Mariadb , Myrocks.
Tip-6 Date: 07-Dec-20 Provided By: Sridhar
👉 SQL Server version(starting) 1.0 released in 1989 and now 15.0 (latest) version (SQL 2019) is available in the market.
Tip-7 Date: 09-Dec-20 Provided By: Sridhar
👉 SQL Server database engine service default port(listening on) no 1433 and UDP port no 1434.
Tip-8 Date: 10-Dec-20 Provided By: Sridhar
👉 SQL Server 2019 supported platforms are Windows ,Red Hat Enterprise Linux (RHEL),SUSE Linux Enterprise Server (SLES),Ubuntu,Kubernetes.
Tip-9 Date: 11-Dec-20 Provided By: Sridhar
👉 SQL Server 2017 provides a key feature Resumable Online Index Rebuilds.
👉 This will provide the option to pause an index rebuild and provides an option of executing, suspending, resuming or aborting an online index operation.
Tip-10 Date: 12-Dec-20 Provided By: Sridhar
👉 SQL Server 2017 includes an automatic tuning feature providing insight into potential query performance problems, recommend solutions, and automatically fixing identified problems.
Tip-11 Date: 14-Dec-20 Provided By: Sridhar
👉 New index type column store index introduced in sql server 2012.
👉 A column store index is an index that was designed mainly for improving the query performance for workloads with very large amounts of data (eg. data warehouse fact tables).
👉 This type of index stores the index data in a column based format rather than row based as is done with traditional indexes.
Tip-12 Date: 22-Dec-20 Provided By: Sridhar
👉 PolyBase is a new feature in SQL Server 2016.
👉 It is used to query relational and non-relational databases (NoSQL).
👉 You can use PolyBase to query tables and files in Hadoop or in Azure Blob Storage.
👉 You can also import or export data to/from Hadoop.
Tip-13 Date: 29-Dec-20 Provided By: Sridhar
👉 We can identify Deadlocks in SQL Server Using Trace Flag 1222 and 1204.
Tip-14 Date: 15-Feb-21 Provided By: Sridhar
👉 SQL Server MAX DB size 524,272 Terabytes
Tip-15 Date: 16-Feb-21 Provided By: Sridhar
👉 In SQL Server max 32,767 Databases can create per instance
Tip-16 Date: 17-Feb-21 Provided By: Sridhar
👉 SQL Server DB Max Data file size is 16 TB.
Tip-17 Date: 22-Feb-21 Provided By: Sridhar
👉 SQL Server DB Max log file size is 2 TB.
Tip-18 Date: 24-Feb-21 Provided By: Sridhar
👉 In SQL Server we can create only one clustered index and 999 non clustered indexes per table.
Tip-19 Date: 11-Mar-21 Provided By: Sridhar
In SQL 2019 , we can now configure up to five synchronous replicas in an Availability Groups AG (one primary and up to four secondary replicas) with automatic failover between these replicas.
Thank you for giving your valuable time to read the above information.
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