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DROP TABLE Statement in SQL
SQL DROP TABLE statement is used to remove table in a database. When you use the SQL DROP TABLE statement to remove a table, the database engine deletes all objects associated to that table including data…
The Alter Table command is used to change definitions of existing tables. Usually, it can add columns to table. Sometimes it can delete columns (depending on privileges) or change their sizes.
In short we can say,
ALTER TABLE statement is used to add, delete, or modify columns in an…
It refers to a situation when people are willing to work at the existing wage rate, and are able to work, but are not getting work.
A worker is an individual who is engaged in some production activity.
workers are classified as :
Indicators are Substances which indicate the acidic or basic nature of the solution by the colur change.
The indicators obtained from natural sources are called Natural Indicatores.
Examples of some common natural indicators used widely to show acidic or basic character of substances.
Litmus solution is a purple…
Ans. In Python strings, each individual character is given a location number, called index and this process is called indexing.
Python allocates indices in two direction :
Ans. Keyword is a special word that has a special meaning and purpose. Keywords are reserved and are a few. For example, if, elif, else etc. are keywords.
Identifier is the user-defined name given to part of a program viz…
Most computer programs work with files. This because files help in storing information permanently. Word processors create document files ; Database program create files of information ; Compilers read source files and generate executable files. So, we see, it is the files of that are mostly…
Python if-else Statement
The if conditionals of Python come in multiple forms : plain if conditional, if-else conditional and if-elif conditionals.
An if statement tests a particular condition; if the condition evaluates to true, a course-of-action is followed i.e., a statement or set-of-statements is executed. …
python fundamentals class questions
ans. Keyword is a special word that has a special meaning and purpose. Keywords are reserved and are a few. For example, if, elif, else etc. are keywords.
Identifier is a user-defined name given to a part of a program viz…