Docker Certified Associate – Preparation & methodology
Preparing for the Docker Certified Associate (DCA) exam is an achievable goal with the right plan, focused practice, and high-quality mock exams.
Oracle
Oracle Database SQL Certified Associate: Oracle Database 12c SQL
The Oracle Database SQL Certified Associate (1Z0-071) exam validates foundational SQL skills for Oracle Database 12c and later versions. It is often associated with the "Oracle Database 12c SQL" certification track.
Exam code
1z0-071
Duration
120 min
Questions
70
Domain blueprint
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Explains theoretical and physical aspects of relational databases and relates clauses in SQL SELECT statements to components of an Entity-Relationship Diagram.
Covers use of column aliases, literal and concatenation operators, DISTINCT, arithmetic expressions, NULL handling, alternative quote operator, and the SQL SELECT statement fundamentals.
Describes applying operator precedence in expressions, filtering rows with WHERE, limiting rows returned, using substitution variables, and sorting data via ORDER BY and related clauses.
Involves manipulating strings, numbers, and date values using functions like ROUND, TRUNC, MOD, conversion functions, and conditional expressions in SELECT and WHERE clauses.
Includes performing INSERT, UPDATE, DELETE, MERGE operations, controlling transactions, and understanding data integrity.”
Domain 5
Managing Data with DML Statements
Includes performing INSERT, UPDATE, DELETE, MERGE operations, controlling transactions, and understanding data integrity.”
Domain 6
Using Set Operators
Deals with combining query results using UNION, INTERSECT, MINUS and applying ORDER BY within set operations.
Domain 7
Displaying Data from Multiple Tables
Covers various types of joins including inner, outer, cross, self-joins and non-equi joins to display data from multiple tables.
Domain 8
Managing Objects with Data Definition Language (DDL) and Constraints
Consists of creating and modifying tables, columns and data types, constraints, temporary and external tables, indexes, sequences, synonyms, and managing schema objects.
Domain 9
Managing Views
Focuses on creating and using views, and managing object-privilege relationships through DCL (granting/revoking privileges and roles).
Domain 10
Managing Objects with Data Dictionary Views & Time Zones
Includes querying metadata via Oracle data dictionary views and handling time and timestamp functions including CURRENT_DATE, CURRENT_TIMESTAMP and time-zone awareness.
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