12 Transactions & Providers questions from the EF Core bank, written for Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd.
Free to start: the 2-minute IT readiness check — six questions and a result.
A.the pluggable package that adapts the core to a specific engine such as SQL Server, PostgreSQL, or SQLite
B.the call that starts an explicit transaction so multiple separate save operations can be committed or rolled back as one unit
C.the method that runs a raw parameterized query string and maps the returned rows onto an entity type
D.the automatic wrapping of all statements in a single save so they either all succeed or all roll back
Answer + AI explanation with Pro
2. Which term means: "the automatic wrapping of all statements in a single save so they either all succeed or all roll back"?
Junior
A.implicit transaction
B.database provider
C.FromSql
D.BeginTransaction
Answer + AI explanation with Pro
3. Which statement is correct?
Junior
A.implicit transaction — the call that starts an explicit transaction so multiple separate save operations can be committed or rolled back as one unit
B.implicit transaction — the pluggable package that adapts the core to a specific engine such as SQL Server, PostgreSQL, or SQLite
C.implicit transaction — the method that runs a raw parameterized query string and maps the returned rows onto an entity type
D.implicit transaction — the automatic wrapping of all statements in a single save so they either all succeed or all roll back
Answer + AI explanation with Pro
4. What is database provider?
Mid
A.the call that starts an explicit transaction so multiple separate save operations can be committed or rolled back as one unit
B.the method that runs a raw parameterized query string and maps the returned rows onto an entity type
C.the pluggable package that adapts the core to a specific engine such as SQL Server, PostgreSQL, or SQLite
D.the automatic wrapping of all statements in a single save so they either all succeed or all roll back
Answer + AI explanation with Pro
5. Which term means: "the pluggable package that adapts the core to a specific engine such as SQL Server, PostgreSQL, or SQLite"?
Mid
A.implicit transaction
B.database provider
C.FromSql
D.BeginTransaction
Answer + AI explanation with Pro
6. Which statement is correct?
Mid
A.database provider — the call that starts an explicit transaction so multiple separate save operations can be committed or rolled back as one unit
B.database provider — the pluggable package that adapts the core to a specific engine such as SQL Server, PostgreSQL, or SQLite
C.database provider — the method that runs a raw parameterized query string and maps the returned rows onto an entity type
D.database provider — the automatic wrapping of all statements in a single save so they either all succeed or all roll back
Answer + AI explanation with Pro
7. What is FromSql?
Mid
A.the call that starts an explicit transaction so multiple separate save operations can be committed or rolled back as one unit
B.the method that runs a raw parameterized query string and maps the returned rows onto an entity type
C.the pluggable package that adapts the core to a specific engine such as SQL Server, PostgreSQL, or SQLite
D.the automatic wrapping of all statements in a single save so they either all succeed or all roll back
Answer + AI explanation with Pro
8. Which term means: "the method that runs a raw parameterized query string and maps the returned rows onto an entity type"?
Mid
A.BeginTransaction
B.FromSql
C.implicit transaction
D.database provider
Answer + AI explanation with Pro
9. Which statement is correct?
Mid
A.FromSql — the method that runs a raw parameterized query string and maps the returned rows onto an entity type
B.FromSql — the call that starts an explicit transaction so multiple separate save operations can be committed or rolled back as one unit
C.FromSql — the pluggable package that adapts the core to a specific engine such as SQL Server, PostgreSQL, or SQLite
D.FromSql — the automatic wrapping of all statements in a single save so they either all succeed or all roll back
Answer + AI explanation with Pro
10. What is BeginTransaction?
Senior
A.the call that starts an explicit transaction so multiple separate save operations can be committed or rolled back as one unit
B.the automatic wrapping of all statements in a single save so they either all succeed or all roll back
C.the pluggable package that adapts the core to a specific engine such as SQL Server, PostgreSQL, or SQLite
D.the method that runs a raw parameterized query string and maps the returned rows onto an entity type
Answer + AI explanation with Pro
11. Which term means: "the call that starts an explicit transaction so multiple separate save operations can be committed or rolled back as one unit"?
Senior
A.implicit transaction
B.BeginTransaction
C.database provider
D.FromSql
Answer + AI explanation with Pro
12. Which statement is correct?
Senior
A.BeginTransaction — the call that starts an explicit transaction so multiple separate save operations can be committed or rolled back as one unit
B.BeginTransaction — the method that runs a raw parameterized query string and maps the returned rows onto an entity type
C.BeginTransaction — the automatic wrapping of all statements in a single save so they either all succeed or all roll back
D.BeginTransaction — the pluggable package that adapts the core to a specific engine such as SQL Server, PostgreSQL, or SQLite
Answer + AI explanation with Pro
Free to start
Start with a free readiness check
Sign up free for the 2-minute IT readiness check and a scored result. Answers, explanations and the AI tutor on every Transactions & Providers question come with Pro.