61 Best SQL Questions and Answers (Q&A) - ProProfs Discuss

Melissajanuary
Answered: Apr 19, 2024

The HAVING clause conditions can have aggregating functions.
The WHERE clause is used to exclude rows before grouping data.
The HAVING clause is used to exclude one or more aggregated...Read More

1 Answer

456 views

Can you state two factual statements about SQL packages that are true?

John Smith
Answered: Apr 19, 2024

The contents of packages can be shared by many applications.-2. you can achieve information hiding by making package constructs private.-explanation actually theses are some of the advantages of the...Read More

1 Answer

447 views

Which SQL statements defines a schema?

Lethao.c
Answered: Apr 19, 2024

Create

1 Answer

443 views

What function can you use to see if a string contains a particular substring?

John Smith
Answered: Apr 19, 2024

Find-2. findnocase-the find and findnocase functions both find the first occurrence of a substring in a string, from a specified start position. they both return the position of substring in string;...Read More

2 Answers

373 views

What SQL commands shows the path from local host to a remote host?

Lethao.c
Answered: Apr 19, 2024

Tracert

1 Answer

367 views

What is the difference between Python and SQL?

C. Perez, Writer
Answered: Aug 22, 2019

Python is one of the most widely recognized scripting languages. Python is a programming language for high level general-purpose, which can be used in the development of websites, web...Read More

2 Answers

365 views

How do I install SQL?

Melissajanuary
Answered: Apr 19, 2024

When a table is dropped, the corresponding indexes are automatically dropped.
For each DML operation performed, the corresponding indexes are automatically updated.
A non-deferrable...Read More

1 Answer

365 views

Which four are correct guidelines for naming database tables? (Choose four)

Kabirkhanna
Answered: Apr 19, 2024

Must be 1-30 characters long
Should not be an Oracle Server reserved word.
Must contain only A-Z, a-z, 0-9, _, $, and

1 Answer

361 views

When would you use an SQL full outer join?

John Smith
Answered: Apr 19, 2024

You want all matched data from both tables.

1 Answer

338 views

What does the 'find' and the 'findNoCase' function return?

John Smith
Answered: Apr 19, 2024

The find and findnocase functions both find the first occurrence of a substring in a string, from a specified start position. they both return the position of substring in string; or 0, if...Read More

2 Answers

330 views

How can I learn SQL for free?

Melissajanuary
Answered: Apr 19, 2024

The number of columns and data types must be identical for all SELECT statements in the query

1 Answer

319 views

Is Python better than SQL?

Melissajanuary
Answered: Apr 19, 2024

When the MAXVALUE limit for the sequence is reached, you can increase the MAXVALUE limit by using the ALTER SEQUENCE statement.
CURRVAL is used to refer to the last sequence number that has...Read More

1 Answer

318 views

What is the difference between MS SQL Server and Oracle?

W. Wright, Biology student
Answered: Jun 13, 2019

MS SQL Server and Oracle are database management system designed to manage message processing. MS SQL is a database management system designed by Microsoft, Oracle is designed by Oracle...Read More

2 Answers

309 views

What does the ALTER TABLE clause do?

Cerebralrust
Answered: Apr 19, 2024

The SQL ALTER TABLE clause modifies a table definition by altering, adding, or deleting table columns and/or constraints.

1 Answer

309 views

What are the standard SQL commands?

Melissajanuary
Answered: Apr 19, 2024

COUNT(*) returns the number of rows including duplicate rows and rows containing NULL value in any of the columns
COUNT(DISTINCT inv_amt) returns the number of rows excluding rows containing...Read More

1 Answer

307 views

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