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--- android_learning:headfirst_android_development_notes:chapter_11 [2016/03/16 23:44] – mithat
+++ android_learning:headfirst_android_development_notes:chapter_11 [2016/04/23 22:23] (current) – [p. 444: Code block] mithat
@@ Line 1: / Line 1: @@
 ====== Chapter 11 ======
-You may hear the term "CRUD" used in relation to databases. And if you haven't, you have now. CRUD is a acronym for **C**reate (or Insert), **R**ead, **U**pdate, and **D**elete---the four main operations that are done on database records. It's also helpful to think in terms of database //schema//---the plan or layout of the database table(s).
+===== Foreword =====
+If you are not familiar with the term CRUD as applied to databases, it is an acronym for **C**reate (or Insert), **R**ead, **U**pdate, and **D**elete---the four main operations that are done on database records. It's often helpful to approach learning database stuff with these four primary operations in mind.
-The book consistently uses "a" as the indefinite article ahead of "SQLite"---most probably because they assume a pronunciation of "sequel lite." The primary author of "SQLite" [[https://youtu.be/jN_YdMdjVpU?t=1m7s|sees things differently]], so the indefinite article should be "an".
+It's also helpful to think in terms of database //schema//---the plan or layout of the database table(s).
+The book consistently uses "a" as the indefinite article ahead of "SQLite"---most probably because they assume a pronunciation of "sequel lite." The primary author of SQLite [[https://youtu.be/jN_YdMdjVpU?t=1m7s|sees things differently]], so the indefinite article should be "an".
 ===== p. 444: Code block =====
@@ Line 29: / Line 32: @@
 }
 </file>
-Note that the constructor in the above class definition creates compiler rage. It gets fixed on the following page.
+The constructor in the above class definition will create compiler rage---which is fixed on the following page. But if you're impatient, the solution is to invoke to parent class' ctor:<code java>
+    StarbuzzDatabaseHelper(Context context) {
+        super(context, DB_NAME, null, DB_VERSION);
+    }</code>
 ===== p. 447: Schema definition =====
@@ Line 84: / Line 91: @@
 </code>
-<WRAP center round info 90%>
+<WRAP center round important 90%>
-Calling delete with null ''whereClause''e and ''whereArgs'' arguments will delete all the records in the database.
+Calling ''delete()'' with null ''whereClause'' and ''whereArgs'' arguments will delete all the records in the database.
 </WRAP>
 ===== What about Read? =====