Sub-queries are often referred to as sub-selects, as they allow a SELECT statement to be executed arbitrarily within the body of another SQL statement. A sub-query is executed by enclosing it in a set of parentheses. Sub-queries are generally used to return a single row as an atomic val...
The data modeler designs, implements, and documents data architecture and data modeling solutions, which may include the use of relational, dimensional, and NoSQL databases. These solutions support business-critical applications such as enterprise information management, business intelligence, machine learnin...
Look at the explain plan with utlxplp.sql or utlxpls.sqlRead More 24 :: How would you go about increasing the buffer cache hit ratio? Use the buffer cache advisory over a given workload and then query the v$db_cache_advice table. If a change was necessary then I wou...
Describe your experience with testing and troubleshooting SQL scripts? A database administrator must understand the technical components of a database, including SQL scripts and queries. The goal of the question is to evaluate the candidate's expertise in SQL, structured query language, which is ess...
SQL Query UDDI CLASS JavaScript Questions SharePoint Interview SilverLight WCF general knowledge asp net questions :) :) Topic of Day :) Hot Jobs ASP.NET Developer(2-5 years)(Location:-Gurgaon(http://www.amadeus.co.in)) Software Developer(0-3 years)(Location:-ZENITH SERVICE.Plot 2N-67...
contrast, virtual ports are also present on your computer. Virtual ports give computers the ability to run applications and “listen” for connections from external computers. Virtual ports are used by SQL Server to run your database query and listen for application and external computer connections...
Expect this SQL Interview Questions as a part of an any interview, irrespective of your experience. Properties of the transaction can be summarized as ACID Properties. 1. Atomicity A transaction consists of many steps. When all the steps in a transaction get completed, it will get reflected in...
Drop Database Easy Questions MYSQL MySQL Subquery MySQL Character Set MySQL Views Mysql Basic Mysql Setup Mysql Foreign Keys Mysql Query Optimization Interacting With MySQL Server SQL Mode MySQL Events MySQL UNION MySQL Full-Text Search MySQL Command Line Tool Mysql Error handling ...
Many DBMSs provide query languages or report writers that allow users to ask as hoc questions and to obtain the required information almost immediately at their terminal, without requiring a programmer to write some software to extract this information from the following SQL command at a terminal:...
Database Administration | Oracle | Oracle Training | DBA Support | Oracle 12c DBA | GoldenGate | GoldenGate 12c | DBA Interview Questions | Goldengate Interview Questions | Natik Ameen