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CREATE TABLE statement is used to create table objects in database.You can create tables with different column data types.It...
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Oracle Tables: CREATE TABLE statement: create a table with primary key.
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Oracle Tables: Foreign Keys with ON DELETE CASCADE option.Foreign Keys with ON DELETE CASCADE option allows us to create...
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‘ORA-02292: integrity constraint violated – child record found’ error occurs when we try to delete a row from a...
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Foreign Key holds the reference to another table column value.It is also known as references constraint.
A foreign key means...
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Composite primary key is a special type of primary key comprises a set of columns.In relational database a primary...
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In relational database a primary key is a candidate key to uniquely identify each row in a table.
A unique...
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CREATE TABLE AS SELECT statement can be used when we need to extract part or full data from a...
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Usage Create table statement with foreign key constraint will create table with referential integrity
Foreign Key holds the reference to...
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CREATE TABLE statement: create a table with composite primary key.
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