Index (INDEX) in SQL
sql index (index) is a special lookup table that database search engines can use to quickly increase the time and performance of data retrieval.
Tags : learn sql
ALTER TABLE statement in SQL
the alter table statement in sql is used to add, delete, and modify columns in an existing table.
Boolean operators AND and OR in SQL
the and and or operators are used to combine multiple conditions to narrow the data in sql statements. these two operators are called conjugate operators in sql. and and or allow
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[QUIZ] Test your understanding of SQL - Part 1
sql is a familiar term if you pay attention to the computer field. so what do you know about sql?
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[QUIZ] Check your understanding of SQL - Part 2
continue series what do you know about sql? , part 2 continues with questions that revolve around basic knowledge in databases.
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[QUIZ] Test your understanding of SQL - Part 3
the test set comes with sql lessons that give you lots of useful knowledge.
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[QUIZ] Test your understanding of SQL - Part 4
let's try our knowledge with multiple choice questions about sql database management system.
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[QUIZ] Test your understanding of SQL - Part 5
multiple-choice questions on sql help you familiarize and review useful knowledge for work and learning sql language.
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[QUIZ] Test your understanding of SQL - Part 6
in order to serve your work and your study, along with sql lessons, quantrimang offers a variety of useful questions.
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[QUIZ] Test your understanding of SQL - Part 7
part 7 of the sql quiz goes into the sql practice exercises that follow the previous period.