What is a primary key? Explain
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Explain spool.
what are the properties and different types of sub-queries? : Sql dba
Does inner join remove duplicates?
i want count no of values in a column i.e enam eempno phoneno x 1 (98765,09887,096561,87964579,156678,678900876) that means if i select phone no from table i want to get total count of phone numbers i.e 6
How can use stored procedures in sql?
What are triggers and its types?
How do I count rows in sql query?
How many sql core licenses do I need?
What is a pdo connection?
What is difference between select statement and cursor
How many sql statements are used?
What does bitemporal mean?
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