This language that enable user to access or manipulate data as organised by appropriate data model.
► Procedural DML or Low level: DML requires a user to specify what data are needed and how to get those data.
► Non-Procedural DML or High level: DML requires a user to specify what data are needed without specifying how to get those data.
Which function is used to find the largest integer less than or equal to a specific value?
What are the wildcards used for pattern matching.?
TRUNCATE TABLE EMP; DELETE FROM EMP; Will the outputs of the above two commands differ?
What is a join? Explain the different types of sql joins?
What is SQL injection?
What are the data types allowed in a table?
What is the usage of SAVEPOINTS?
What is an integrity constraint?
Where the integrity constraints are stored in data dictionary?
How many LONG columns are allowed in a table? Is it possible to use LONG columns in WHERE clause or ORDER BY?
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