1.Compare SQL & PL/SQL Criteria SQL PL/SQL What it is Single query or command execution Full programming language What it comprises Data source for reports, web pages Application language to build, format and display report, web pages Characteristic Declarative in nature Procedural in nature Used for Manipulating data Creating applications 2.What is BCP? When is it used? It is a tool used to duplicate enormous quantity of information from tables and views. It does not facsimile the structures same as foundation to target. BULK INSERT command helps to bring in a data folder into a record, table or view in a user-specific arrangement. 3.When is the UPDATE_STATISTICS command used? This command is used, ones the processing of large data is done. When we delete a large number of files, alteration or reproduction takes place in the tables, to be concerned of these changes we need to restructure the indexes This is done UPDATE_STATISTICS. 4.Explain the steps n...
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