Unlike Relational systems in System R
► Domains are not supported
► Enforcement of candidate key uniqueness is optional
► Enforcement of entity integrity is optional
► Referential integrity is not enforced
What is sql Intersect?
Under which circumstance must you recompile the package body after recompiling the package specification?
What is SQL Indexes?
Examine this function
What is the difference between Truncate and Delete interms of Referential Integrity?
What is the output of the following query SELECT TRUNC(1234.5678,-2) FROM DUAL;?
What is the parameter substitution symbol used with INSERT INTO command?
What is referential integrity constraint?
What is difference between CHAR and VARCHAR2? What is the maximum SIZE allowed for each type?
What is SQL ROWID?
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