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Using a join on 2 tables, select all columns and 10 rows from the 2 tables without the use of a Cartesian product.
Query:
SELECT * FROM EMPLOYEE1 E JOIN STAFF S ON E.EMP_ID=S.EMP_ID WHERE ROWNUM<11;
Use group by & having in a select statement using one or more table(s) (If more than 1 table then, don't use a Cartesian product).
SELECT BRANCH,COUNT(*) FROM STAFF GROUP BY BRANCH;
Closest Approximation to Relational Union - SQL Actually, just as SQL has several varieties of JOIN, it also has several varieties of UNION, none of which is equivalent to th
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Effects of NULL in Table Literal When a VALUES expression appears as the source value for an SQL INSERT statement, the key word NULL can appear as a field value, such that for
Redeclaring Predefined Exceptions Keep in mind that, the PL/SQL declares predefined exceptions globally in the package STANDARD; Therefore you need not declare them yourself.
Anatomy of a Table: Figure shows the terminology used in SQL to refer to parts of the structure of a table. As you can see, SQL has no official terms for its counterpa
Change Sql file into CSV for product registration on Magento Project Description: I have a set of files that are in Sql format and could like for a developer to help me with
Example of WHEN or THEN Constraints A concrete example showing how SQL supports WHEN/THEN constraints CREATE TABLE SAL_HISTORY (EmpNo CHAR (6), Salary INTEGER NOT NULL,
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Exceptions An exception is the runtime error or warning condition that can be predefined or user-defined. The Predefined exceptions are raised implicitly through runtime system
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