David's God, or Your God?

Psa 18:2  The LORD is my rock, and my fortress, and my deliverer; my God, my strength, in whom I will trust; my buckler, and the horn of my salvation, and my high tower.
31  For who is God save the LORD? or who is a rock save our God?
46  The LORD liveth; and blessed be my rock; and let the God of my salvation be exalted.
27:5  For in the time of trouble he shall hide me in his pavilion: in the secret of his tabernacle shall he hide me; he shall set me up upon a rock.
28:1  A Psalm of David. Unto thee will I cry, O LORD my rock; be not silent[1] to me: lest, if thou be silent[2] to me, I become like them that go down into the pit.
31:2  Bow down thine ear to me; deliver me speedily: be thou my strong rock, for an house of defence to save me.
3  For thou art my rock and my fortress; therefore for thy name's sake lead me, and guide me.
40:2  He brought me up also out of an horrible pit, out of the miry clay, and set my feet upon a rock, and established my goings.
42:9  I will say unto God my rock, Why hast thou forgotten me? why go I mourning because of the oppression of the enemy?
61:2  From the end of the earth will I cry unto thee, when my heart is overwhelmed: lead me to the rock that is higher than I.
62:2  He only is my rock and my salvation; he is my defence; I shall not be greatly moved.
6  He only is my rock and my salvation: he is my defence; I shall not be moved.
7  In God is my salvation and my glory: the rock of my strength, and my refuge, is in God.
71:3  Be thou my strong habitation, whereunto I may continually resort: thou hast given commandment to save me; for thou art my rock and my fortress.
78:16  He brought streams also out of the rock, and caused waters to run down like rivers.
20  Behold, he smote the rock, that the waters gushed out, and the streams overflowed; can he give bread also? can he provide flesh for his people?
35  And they remembered that God was their rock, and the high God their redeemer.
81:16  He should have fed them also with the finest of the wheat: and with honey out of the rock should I have satisfied thee.
89:26  He shall cry unto me, Thou art my father, my God, and the rock of my salvation.
92:15  To show that the LORD is upright: he is my rock, and there is no unrighteousness in him.
94:22  But the LORD is my defence; and my God is the rock of my refuge.
95:1  O come, let us sing unto the LORD: let us make a joyful noise to the rock of our salvation.
105:41  He opened the rock, and the waters gushed out; they ran in the dry places like a river.
114:8  Which turned the rock into a standing water, the flint into a fountain of waters.