Useful tips for everyday
Is row-level locking better than table-level locking? Row-level locking systems can lock entire tables if the WHERE clause of a statement cannot use an index.…
Which DBMS is open source? Enlisted below are the most popular Enterprise-Grade Open Source DBMS that are used worldwide. Altibase. MySQL. PostgreSQL. Maria DB. Cassandra.…
What is the best way to use MongoDB? Open up another shell and type mongo to connect to MongoDB database server. Finding the current database…
Where is the change data capture ( CDC ) table created? The table dbo.cdc_jobs that stores configuration parameters for capture and cleanup jobs is the…
How do I access Microsoft SQL Server on Mac? The easiest way to connect to MS SQL Server from Mac is with a JDBC (Java…
How do you count a table? SQL COUNT() Function SQL COUNT(column_name) Syntax. The COUNT(column_name) function returns the number of values (NULL values will not be…
When to upgrade database engine in SQL Server? The articles in this section will help you upgrade the SQL Server database engine from a prior…
What is use of cursor in SQL Server? The cursor in SQL can be used when the data needs to be updated row by row.…
How do you handle a single quote in a string? Single quoted ¶ The simplest way to specify a string is to enclose it in…
Which is better, more columns or more tables? Use views or downstream tables to implement denormalization rather than denormalizing the core of the schema, when…