Useful tips for everyday
What does reset slave do in mysql? RESET SLAVE makes the replica forget its replication position in the source’s binary log. This statement is meant…
How do I run a profiler in SQL server 2012? METHOD 1 – Use a SQL Template Determine what version of SQL Server you have…
What do you mean by review on Schema.org? Check for open issues. A review of an item – for example, of a restaurant, movie, or…
How do you UPDATE NULL values in a table? UPDATE [table] SET [column]=0 WHERE [column] IS NULL; Null Values can be replaced in SQL by…
What is the difference between between and in condition operators? Both of these operators are used to find out the multiple values from the table.…
How does listener connect to database? For Oracle Net to accept connections on the database server, start the listener with the Listener Control utility on…
How do I grant access to SQL Server? Grant table-level permissions in SQL Server Enter a descriptive Login name, select SQL Server authentication, and enter…
What does the query on rownum and limiting results return? What the query will return is five random records (the first five the query happens…
What is bind variable in PL SQL example? Bind variables are variables you create in SQL*Plus and then reference in PL/SQL. If you create a…
What is a partition index? A partitioned index is made up of a set of index partitions , each of which contains the index entries…