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DDL Compiler
The DDL compiler changes the data definition statements (such as CREATE TABLE .... in SQL) into a set of tables having metadata tables. These tables have information concerning the database and are in a form that can be used by other parts of the DBMS. These tables are then stored in a system catalog or data dictionary.
what do you mean by consistency in rdbms?
crete a data base relationship model Entity: Students; Professors; Dormitories buildings; Attributes of students: Name; Address; Dorm;
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define attribute inheritance with example?
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Introduction In large projects, we can have many different companies working together. Generally, the project or contract is awarded to one company (Principal Contractor), which
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